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annotate src/main/java/org/monetdb/jdbc/MonetConnection.java @ 660:7ec8d469fd0b

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Adapt the cacheSize to the actual fetch size instead of using the default fetch size. Otherwise we get IndexOutOfBoundsExceptions if the fetchsize setting is set too small (<100).
author Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
date Tue, 11 Oct 2022 13:15:01 +0200 (2022-10-11)
parents 108123ca6889
children 8f7d51c478df
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * This Source Code Form is subject to the terms of the Mozilla Public
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
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5 *
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6 * Copyright 1997 - July 2008 CWI, August 2008 - 2022 MonetDB B.V.
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7 */
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8
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9 package org.monetdb.jdbc;
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11 import java.io.*;
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12 import java.net.SocketException;
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13 import java.net.SocketTimeoutException;
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14 import java.nio.charset.StandardCharsets;
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15 import java.sql.CallableStatement;
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16 import java.sql.Connection;
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17 import java.sql.DatabaseMetaData;
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18 import java.sql.PreparedStatement;
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19 import java.sql.ResultSet;
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20 import java.sql.SQLClientInfoException;
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21 import java.sql.SQLException;
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22 import java.sql.SQLFeatureNotSupportedException;
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23 import java.sql.SQLNonTransientConnectionException;
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24 import java.sql.SQLWarning;
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25 import java.sql.Savepoint;
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26 import java.sql.Statement;
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27 import java.util.ArrayList;
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28 import java.util.Calendar;
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29 import java.util.HashMap;
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30 import java.util.Map;
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31 import java.util.Map.Entry;
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32 import java.util.Properties;
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33 import java.util.WeakHashMap;
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34 import java.util.concurrent.Executor;
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35
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36 import org.monetdb.mcl.io.BufferedMCLReader;
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37 import org.monetdb.mcl.io.BufferedMCLWriter;
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38 import org.monetdb.mcl.io.LineType;
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39 import org.monetdb.mcl.net.HandshakeOptions;
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40 import org.monetdb.mcl.net.HandshakeOptions.Setting;
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41 import org.monetdb.mcl.net.MapiSocket;
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42 import org.monetdb.mcl.parser.HeaderLineParser;
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43 import org.monetdb.mcl.parser.MCLParseException;
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44 import org.monetdb.mcl.parser.StartOfHeaderParser;
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45
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46 /**
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47 *<pre>
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48 * A {@link Connection} suitable for the MonetDB database.
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49 *
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50 * This connection represents a connection (session) to a MonetDB
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51 * database. SQL statements are executed and results are returned within
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52 * the context of a connection. This Connection object holds a physical
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53 * connection to the MonetDB database.
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54 *
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55 * A Connection object's database should able to provide information
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56 * describing its tables, its supported SQL grammar, its stored
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57 * procedures, the capabilities of this connection, and so on. This
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58 * information is obtained with the getMetaData method.
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59 *
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60 * Note: By default a Connection object is in auto-commit mode, which
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61 * means that it automatically commits changes after executing each
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62 * statement. If auto-commit mode has been disabled, the method commit
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63 * must be called explicitly in order to commit changes; otherwise,
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64 * database changes will not be saved.
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65 *
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66 * The current state of this class is that it nearly implements the
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67 * whole Connection interface.
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68 *</pre>
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69 *
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70 * @author Fabian Groffen
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71 * @author Martin van Dinther
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72 * @version 1.7
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73 */
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74 public class MonetConnection
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75 extends MonetWrapper
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76 implements Connection, AutoCloseable
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77 {
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78 /** the successful processed input properties */
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79 private final Properties conn_props = new Properties();
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80
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81 /** The hostname to connect to */
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82 private final String hostname;
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83 /** The port to connect on the host to */
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84 private int port;
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85 /** The database to use (currently not used) */
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86 private final String database;
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87 /** The username to use when authenticating */
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88 private final String username;
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89 /** The password to use when authenticating */
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90 private final String password;
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91
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92 /** A connection to mserver5 using a TCP socket */
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93 private final MapiSocket server;
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94 /** The Reader from the server */
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95 private final BufferedMCLReader in;
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96 /** The Writer to the server */
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97 private final BufferedMCLWriter out;
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98
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99 /** A StartOfHeaderParser declared for reuse. */
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100 private final StartOfHeaderParser sohp = new StartOfHeaderParser();
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101
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102 /** Whether this Connection is closed (and cannot be used anymore) */
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103 private boolean closed;
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104
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105 /** Whether this Connection is in autocommit mode */
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106 private boolean autoCommit = true;
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107
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108 /** The stack of warnings for this Connection object */
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109 private SQLWarning warnings;
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111 /** The Connection specific mapping of user defined types to Java types */
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112 private Map<String,Class<?>> typeMap = new HashMap<String,Class<?>>() {
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113 private static final long serialVersionUID = 1L;
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114 {
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115 put("inet", org.monetdb.jdbc.types.INET.class);
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116 put("url", org.monetdb.jdbc.types.URL.class);
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117 }
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118 };
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119
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120 // See javadoc for documentation about WeakHashMap if you don't know what
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121 // it does !!!NOW!!! (only when you deal with it of course)
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122 /** A Map containing all (active) Statements created from this Connection */
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123 private final WeakHashMap<Statement,?> statements = new WeakHashMap<Statement, Object>();
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124
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125 /** The number of results we receive from the server at once */
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126 private int curReplySize = 100; // server default
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127
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128 /** A template to apply to each query (like pre and post fixes), filled in constructor */
336
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129 // note: it is made public to the package as queryTempl[2] is used from MonetStatement
332
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130 final String[] queryTempl = new String[3]; // pre, post, sep
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131
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132 /** A template to apply to each command (like pre and post fixes), filled in constructor */
336
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133 private final String[] commandTempl = new String[2]; // pre, post
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134
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135 /** the SQL language */
186
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136 private static final int LANG_SQL = 0;
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137 /** the MAL language (officially *NOT* supported) */
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138 private static final int LANG_MAL = 3;
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139 /** an unknown language */
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140 private static final int LANG_UNKNOWN = -1;
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141 /** The language which is used */
186
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142 private final int lang;
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143
175
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144 /** Whether or not BLOB is mapped to Types.VARBINARY instead of Types.BLOB within this connection */
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145 private boolean treatBlobAsVarBinary = true; // turned on by default for optimal performance (from JDBC Driver release 3.0 onwards)
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146 /** Whether or not CLOB is mapped to Types.VARCHAR instead of Types.CLOB within this connection */
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147 private boolean treatClobAsVarChar = true; // turned on by default for optimal performance (from JDBC Driver release 3.0 onwards)
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148
271
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149 /** The last set query timeout on the server as used by Statement, PreparedStatement and CallableStatement */
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5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
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150 protected int lastSetQueryTimeout; // 0 means no timeout, which is the default on the server
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46385d8ff8c9 Improve the implementation of Statement methods getQueryTimeout() and setQueryTimeout().
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151
472
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152 /** A cache to reduce the number of DatabaseMetaData objects created by getMetaData() to maximum 1 per connection */
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153 private DatabaseMetaData dbmd;
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154
0
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155 /**
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156 * Constructor of a Connection for MonetDB. At this moment the
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157 * current implementation limits itself to storing the given host,
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158 * database, username and password for later use by the
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159 * createStatement() call. This constructor is only accessible to
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160 * classes from the jdbc package.
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161 *
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162 * @param props a Property hashtable holding the properties needed for connecting
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163 * @throws SQLException if a database error occurs
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164 * @throws IllegalArgumentException is one of the arguments is null or empty
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165 */
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166 MonetConnection(final Properties props)
0
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167 throws SQLException, IllegalArgumentException
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168 {
184
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169 // for debug: System.out.println("New connection object. Received properties are: " + props.toString());
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170 // get supported property values from the props argument.
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171 // When a value is found add it to the internal conn_props list for use by getClientInfo().
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172 this.hostname = props.getProperty("host");
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173 if (this.hostname != null)
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174 conn_props.setProperty("host", this.hostname);
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175
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176 final String port_prop = props.getProperty("port");
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177 if (port_prop != null) {
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178 try {
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179 this.port = Integer.parseInt(port_prop);
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180 } catch (NumberFormatException e) {
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181 addWarning("Unable to parse port number from: " + port_prop, "M1M05");
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182 }
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183 conn_props.setProperty("port", Integer.toString(this.port));
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184 }
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185
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186 this.database = props.getProperty("database");
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187 if (this.database != null)
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188 conn_props.setProperty("database", this.database);
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189
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190 this.username = props.getProperty("user");
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191 if (this.username != null)
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192 conn_props.setProperty("user", this.username);
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193
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194 this.password = props.getProperty("password");
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195 if (this.password != null)
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196 conn_props.setProperty("password", this.password);
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197
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198 String language = props.getProperty("language");
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199 if (language != null)
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200 conn_props.setProperty("language", language);
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201
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202 boolean debug = false;
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203 String debug_prop = props.getProperty("debug");
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204 if (debug_prop != null) {
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205 debug = Boolean.parseBoolean(debug_prop);
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206 conn_props.setProperty("debug", Boolean.toString(debug));
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207 }
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208
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209 final String hash = props.getProperty("hash");
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210 if (hash != null)
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211 conn_props.setProperty("hash", hash);
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212
658
108123ca6889 Add autocommit=true/false option to jdbc url
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213 String autocommit_prop = props.getProperty("autocommit");
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214 boolean initial_autocommit = true;
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215 if (autocommit_prop != null) {
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216 initial_autocommit = Boolean.parseBoolean(autocommit_prop);
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217 conn_props.setProperty("initial_autocommit", Boolean.toString(initial_autocommit));
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218 }
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219
423
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220 final String fetchsize_prop = props.getProperty("fetchsize");
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221 if (fetchsize_prop != null) {
428
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222 try {
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223 int fetchsize = Integer.parseInt(fetchsize_prop);
433
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224 if (fetchsize > 0 || fetchsize == -1) {
428
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225 this.defaultFetchSize = fetchsize;
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226 conn_props.setProperty("fetchsize", fetchsize_prop);
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227 } else {
433
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228 addWarning("Fetch size must either be positive or -1. Value " + fetchsize + " ignored", "M1M05");
428
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229 }
441
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
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230 } catch (NumberFormatException e) {
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231 addWarning("Unable to parse fetch size number from: " + fetchsize_prop, "M1M05");
423
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232 }
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parents: 422
diff changeset
233 }
de2ef68b672f Allow to set fetchsize from the connection url
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 422
diff changeset
234
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
235 final String treatBlobAsVarBinary_prop = props.getProperty("treat_blob_as_binary");
175
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
236 if (treatBlobAsVarBinary_prop != null) {
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
237 treatBlobAsVarBinary = Boolean.parseBoolean(treatBlobAsVarBinary_prop);
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
238 conn_props.setProperty("treat_blob_as_binary", Boolean.toString(treatBlobAsVarBinary));
178
dd12348c41cf Improvement: only extend typeMap when the property was set to true.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 175
diff changeset
239 if (treatBlobAsVarBinary)
dd12348c41cf Improvement: only extend typeMap when the property was set to true.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 175
diff changeset
240 typeMap.put("blob", Byte[].class);
175
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
241 }
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
242
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
243 final String treatClobAsVarChar_prop = props.getProperty("treat_clob_as_varchar");
175
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
244 if (treatClobAsVarChar_prop != null) {
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
245 treatClobAsVarChar = Boolean.parseBoolean(treatClobAsVarChar_prop);
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
246 conn_props.setProperty("treat_clob_as_varchar", Boolean.toString(treatClobAsVarChar));
178
dd12348c41cf Improvement: only extend typeMap when the property was set to true.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 175
diff changeset
247 if (treatClobAsVarChar)
dd12348c41cf Improvement: only extend typeMap when the property was set to true.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 175
diff changeset
248 typeMap.put("clob", String.class);
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
249 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
250
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
251 int sockTimeout = 0;
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
252 final String so_timeout_prop = props.getProperty("so_timeout");
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
253 if (so_timeout_prop != null) {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
254 try {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
255 sockTimeout = Integer.parseInt(so_timeout_prop);
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
256 if (sockTimeout < 0) {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
257 addWarning("Negative socket timeout not allowed. Value ignored", "M1M05");
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
258 sockTimeout = 0;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
259 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
260 } catch (NumberFormatException e) {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
261 addWarning("Unable to parse socket timeout number from: " + so_timeout_prop, "M1M05");
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
262 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
263 conn_props.setProperty("so_timeout", Integer.toString(sockTimeout));
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
264 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
265
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
266 // check mandatory input arguments
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
267 if (hostname == null || hostname.isEmpty())
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
268 throw new IllegalArgumentException("Missing or empty host name");
225
5ddb1f20d5d5 Socket may also throw an UnknownHostException. Add it to MapiSocket.connect() and catch it in MonetConnection(Properties props).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 219
diff changeset
269 if (port <= 0 || port > 65535)
348
bcb9a99d399d Add private checkNotClosed() method to check if the connection is not closed.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 345
diff changeset
270 throw new IllegalArgumentException("Invalid port number: " + port
bcb9a99d399d Add private checkNotClosed() method to check if the connection is not closed.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 345
diff changeset
271 + ". It should not be " + (port < 0 ? "negative" : (port > 65535 ? "larger than 65535" : "0")));
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
272 if (username == null || username.isEmpty())
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
273 throw new IllegalArgumentException("Missing or empty user name");
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
274 if (password == null || password.isEmpty())
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
275 throw new IllegalArgumentException("Missing or empty password");
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
276 if (language == null || language.isEmpty()) {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
277 // fallback to default language: sql
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
278 language = "sql";
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
279 addWarning("No language specified, defaulting to 'sql'", "M1M05");
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
280 }
0
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parents:
diff changeset
281
429
e4e104f8146c Add fetchsize to the list of valid client props
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 428
diff changeset
282 // warn about unrecognized settings
e4e104f8146c Add fetchsize to the list of valid client props
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 428
diff changeset
283 for (Entry<Object,Object> e: props.entrySet()) {
e4e104f8146c Add fetchsize to the list of valid client props
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 428
diff changeset
284 checkValidProperty(e.getKey().toString(), "MonetConnection");
e4e104f8146c Add fetchsize to the list of valid client props
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 428
diff changeset
285 }
e4e104f8146c Add fetchsize to the list of valid client props
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 428
diff changeset
286
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
287 server = new MapiSocket();
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
288 if (hash != null)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
289 server.setHash(hash);
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
290 if (database != null)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
291 server.setDatabase(database);
0
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parents:
diff changeset
292 server.setLanguage(language);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
293
422
8368cbc670bf Send reply size and time zone during initial handshake
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 416
diff changeset
294 final Calendar cal = Calendar.getInstance();
8368cbc670bf Send reply size and time zone during initial handshake
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 416
diff changeset
295 int offsetMillis = cal.get(Calendar.ZONE_OFFSET) + cal.get(Calendar.DST_OFFSET);
8368cbc670bf Send reply size and time zone during initial handshake
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 416
diff changeset
296 int offsetSeconds = offsetMillis / 1000;
441
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
297 final HandshakeOptions handshakeOptions = new HandshakeOptions();
658
108123ca6889 Add autocommit=true/false option to jdbc url
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 657
diff changeset
298 handshakeOptions.set(Setting.AutoCommit, initial_autocommit ? 1 : 0);
656
c6fe5dfecafc Refactor HandshakeOptions
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 650
diff changeset
299 handshakeOptions.set(Setting.TimeZone, offsetSeconds);
c6fe5dfecafc Refactor HandshakeOptions
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 650
diff changeset
300 handshakeOptions.set(Setting.ReplySize, defaultFetchSize);
657
8476d6f4378f Demonstrate how to enable the size header
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 656
diff changeset
301 // handshakeOptions.set(Setting.SizeHeader, 1);
422
8368cbc670bf Send reply size and time zone during initial handshake
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 416
diff changeset
302 server.setHandshakeOptions(handshakeOptions);
8368cbc670bf Send reply size and time zone during initial handshake
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 416
diff changeset
303
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
304 // we're debugging here... uhm, should be off in real life
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
305 if (debug) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
306 try {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
307 final String fname = props.getProperty("logfile", "monet_" + System.currentTimeMillis() + ".log");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
308 File f = new File(fname);
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
309
25
5ec116ba7d71 When single character use faster version of indexOf(<char>)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 8
diff changeset
310 int ext = fname.lastIndexOf('.');
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
311 if (ext < 0)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
312 ext = fname.length();
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
313 final String pre = fname.substring(0, ext);
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
314 final String suf = fname.substring(ext);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
315
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
316 for (int i = 1; f.exists(); i++) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
317 f = new File(pre + "-" + i + suf);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
318 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
319
278
1d6062d94377 Reduce duplicate code.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 271
diff changeset
320 server.debug(f.getAbsolutePath()); // enable logging on the MapiSocket level
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
321 } catch (IOException ex) {
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
322 throw new SQLNonTransientConnectionException("Opening logfile failed: " + ex.getMessage(), "08M01");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
323 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
324 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
325
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
326 try {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
327 final java.util.List<String> warnings = server.connect(hostname, port, username, password);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
328 for (String warning : warnings) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
329 addWarning(warning, "01M02");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
330 }
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
331
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
332 // apply NetworkTimeout value from legacy (pre 4.1) driver
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
333 // so_timeout calls
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
334 server.setSoTimeout(sockTimeout);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
335
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
336 in = server.getReader();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
337 out = server.getWriter();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
338
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
339 final String error = in.waitForPrompt();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
340 if (error != null)
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
341 throw new SQLNonTransientConnectionException((error.length() > 6) ? error.substring(6) : error, "08001");
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
342 } catch (java.net.UnknownHostException e) {
225
5ddb1f20d5d5 Socket may also throw an UnknownHostException. Add it to MapiSocket.connect() and catch it in MonetConnection(Properties props).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 219
diff changeset
343 throw new SQLNonTransientConnectionException("Unknown Host (" + hostname + "): " + e.getMessage(), "08006");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
344 } catch (IOException e) {
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
345 throw new SQLNonTransientConnectionException("Unable to connect (" + hostname + ":" + port + "): " + e.getMessage(), "08006");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
346 } catch (MCLParseException e) {
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
347 throw new SQLNonTransientConnectionException(e.getMessage(), "08001");
391
f523727db392 Moved Java classes from packages starting with nl.cwi.monetdb.* to package org.monetdb.*
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 381
diff changeset
348 } catch (org.monetdb.mcl.MCLException e) {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
349 final String[] connex = e.getMessage().split("\n");
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
350 final SQLException sqle = new SQLNonTransientConnectionException(connex[0], "08001", e);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
351 for (int i = 1; i < connex.length; i++) {
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
352 sqle.setNextException(new SQLNonTransientConnectionException(connex[1], "08001"));
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
353 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
354 throw sqle;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
355 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
356
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
357 // we seem to have managed to log in, let's store the
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
358 // language used and language specific query templates
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
359 if ("sql".equals(language)) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
360 lang = LANG_SQL;
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
361
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
362 queryTempl[0] = "s"; // pre
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
363 queryTempl[1] = "\n;"; // post
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
364 queryTempl[2] = "\n;\n"; // separator
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
365
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
366 commandTempl[0] = "X"; // pre
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
367 commandTempl[1] = ""; // post
336
5826913bdc6d commandTempl[2] is never used, so no need to allocate and initialise it.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 335
diff changeset
368 //commandTempl[2] = "\nX"; // separator (is not used)
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
369 } else if ("mal".equals(language)) {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
370 lang = LANG_MAL;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
371
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
372 queryTempl[0] = ""; // pre
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
373 queryTempl[1] = ";\n"; // post
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
374 queryTempl[2] = ";\n"; // separator
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
375
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
376 commandTempl[0] = ""; // pre
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
377 commandTempl[1] = ""; // post
336
5826913bdc6d commandTempl[2] is never used, so no need to allocate and initialise it.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 335
diff changeset
378 //commandTempl[2] = ""; // separator (is not used)
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
379 } else {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
380 lang = LANG_UNKNOWN;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
381 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
382
656
c6fe5dfecafc Refactor HandshakeOptions
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 650
diff changeset
383 // The reply size is checked before every query and adjusted if
c6fe5dfecafc Refactor HandshakeOptions
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 650
diff changeset
384 // necessary. Update our current belief of what the server is set to.
c6fe5dfecafc Refactor HandshakeOptions
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 650
diff changeset
385 if (handshakeOptions.wasSentInHandshake(HandshakeOptions.Setting.ReplySize)) {
c6fe5dfecafc Refactor HandshakeOptions
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 650
diff changeset
386 this.curReplySize = handshakeOptions.get(HandshakeOptions.Setting.ReplySize);
c6fe5dfecafc Refactor HandshakeOptions
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 650
diff changeset
387 }
c6fe5dfecafc Refactor HandshakeOptions
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 650
diff changeset
388
c6fe5dfecafc Refactor HandshakeOptions
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 650
diff changeset
389 for (Setting setting : new Setting[] { Setting.SizeHeader }) {
c6fe5dfecafc Refactor HandshakeOptions
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 650
diff changeset
390 if (handshakeOptions.mustSend(setting)) {
c6fe5dfecafc Refactor HandshakeOptions
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 650
diff changeset
391 Integer value = handshakeOptions.get(setting); // guaranteed by mustSend to be non-null
c6fe5dfecafc Refactor HandshakeOptions
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 650
diff changeset
392 String command = String.format("%s %d", setting.getXCommand(), value);
c6fe5dfecafc Refactor HandshakeOptions
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 650
diff changeset
393 sendControlCommand(command);
c6fe5dfecafc Refactor HandshakeOptions
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 650
diff changeset
394 }
422
8368cbc670bf Send reply size and time zone during initial handshake
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 416
diff changeset
395 }
8368cbc670bf Send reply size and time zone during initial handshake
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 416
diff changeset
396
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
397 // the following initialisers are only valid when the language is SQL...
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
398 if (lang == LANG_SQL) {
658
108123ca6889 Add autocommit=true/false option to jdbc url
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 657
diff changeset
399 if (handshakeOptions.mustSend(Setting.AutoCommit)) {
108123ca6889 Add autocommit=true/false option to jdbc url
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 657
diff changeset
400 setAutoCommit(handshakeOptions.get(Setting.AutoCommit) != 0);
108123ca6889 Add autocommit=true/false option to jdbc url
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 657
diff changeset
401 }
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
402
422
8368cbc670bf Send reply size and time zone during initial handshake
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 416
diff changeset
403 // set our time zone on the server, if we haven't already
656
c6fe5dfecafc Refactor HandshakeOptions
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 650
diff changeset
404 if (handshakeOptions.mustSend(Setting.TimeZone)) {
441
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
405 final StringBuilder tz = new StringBuilder(64);
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
406 tz.append("SET TIME ZONE INTERVAL '");
656
c6fe5dfecafc Refactor HandshakeOptions
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 650
diff changeset
407 int offsetMinutes = handshakeOptions.get(Setting.TimeZone) / 60;
441
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
408 if (offsetMinutes < 0) {
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
409 tz.append('-');
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
410 offsetMinutes = -offsetMinutes; // make it positive
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
411 } else {
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
412 tz.append('+');
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
413 }
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
414 int offsetHours = offsetMinutes / 60;
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
415 if (offsetHours < 10)
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
416 tz.append('0');
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
417 tz.append(offsetHours).append(':');
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
418 offsetMinutes -= offsetHours * 60;
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
419 if (offsetMinutes < 10)
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
420 tz.append('0');
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
421 tz.append(offsetMinutes).append("' HOUR TO MINUTE");
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
422 sendIndependentCommand(tz.toString());
422
8368cbc670bf Send reply size and time zone during initial handshake
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 416
diff changeset
423 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
424 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
425
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
426 // we're absolutely not closed, since we're brand new
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
427 closed = false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
428 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
429
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
430 //== methods of interface Connection
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
431
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
432 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
433 * Clears all warnings reported for this Connection object. After a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
434 * call to this method, the method getWarnings returns null until a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
435 * new warning is reported for this Connection object.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
436 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
437 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
438 public void clearWarnings() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
439 warnings = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
440 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
441
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
442 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
443 * Releases this Connection object's database and JDBC resources
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
444 * immediately instead of waiting for them to be automatically
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
445 * released. All Statements created from this Connection will be
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
446 * closed when this method is called.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
447 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
448 * Calling the method close on a Connection object that is already
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
449 * closed is a no-op.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
450 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
451 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
452 public void close() {
623
1c3cdf0667d7 Do more cleanup in the close() methods such as calling clearWarnings(), clearParameters(), clearBatch() and dereferencing cached objects.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 620
diff changeset
453 if (closed)
1c3cdf0667d7 Do more cleanup in the close() methods such as calling clearWarnings(), clearParameters(), clearBatch() and dereferencing cached objects.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 620
diff changeset
454 return;
1c3cdf0667d7 Do more cleanup in the close() methods such as calling clearWarnings(), clearParameters(), clearBatch() and dereferencing cached objects.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 620
diff changeset
455
1c3cdf0667d7 Do more cleanup in the close() methods such as calling clearWarnings(), clearParameters(), clearBatch() and dereferencing cached objects.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 620
diff changeset
456 clearWarnings();
1c3cdf0667d7 Do more cleanup in the close() methods such as calling clearWarnings(), clearParameters(), clearBatch() and dereferencing cached objects.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 620
diff changeset
457 dbmd = null;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
458 synchronized (server) {
623
1c3cdf0667d7 Do more cleanup in the close() methods such as calling clearWarnings(), clearParameters(), clearBatch() and dereferencing cached objects.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 620
diff changeset
459 // Note: An entry in a WeakHashMap will automatically be
1c3cdf0667d7 Do more cleanup in the close() methods such as calling clearWarnings(), clearParameters(), clearBatch() and dereferencing cached objects.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 620
diff changeset
460 // removed when its key is no longer in ordinary use.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
461 for (Statement st : statements.keySet()) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
462 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
463 st.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
464 } catch (SQLException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
465 // better luck next time!
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
466 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
467 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
468 // close the socket
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
469 server.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
470 // report ourselves as closed
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
471 closed = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
472 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
473 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
474
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
475 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
476 * Makes all changes made since the previous commit/rollback
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
477 * permanent and releases any database locks currently held by this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
478 * Connection object. This method should be used only when
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
479 * auto-commit mode has been disabled.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
480 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
481 * @throws SQLException if a database access error occurs or this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
482 * Connection object is in auto-commit mode
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
483 * @see #setAutoCommit(boolean)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
484 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
485 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
486 public void commit() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
487 // note: can't use sendIndependentCommand here because we need
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
488 // to process the auto_commit state the server gives
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
489 sendTransactionCommand("COMMIT");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
490 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
491
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
492 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
493 * Creates a Statement object for sending SQL statements to the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
494 * database. SQL statements without parameters are normally
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
495 * executed using Statement objects. If the same SQL statement is
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
496 * executed many times, it may be more efficient to use a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
497 * PreparedStatement object.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
498 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
499 * Result sets created using the returned Statement object will by
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
500 * default be type TYPE_FORWARD_ONLY and have a concurrency level of
292
b127164342c4 Introduce default general behavior settings DEF_... for MonetResultSets and use them
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 288
diff changeset
501 * CONCUR_READ_ONLY and a holdability of HOLD_CURSORS_OVER_COMMIT.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
502 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
503 * @return a new default Statement object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
504 * @throws SQLException if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
505 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
506 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
507 public Statement createStatement() throws SQLException {
292
b127164342c4 Introduce default general behavior settings DEF_... for MonetResultSets and use them
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 288
diff changeset
508 return createStatement(MonetResultSet.DEF_RESULTSETTYPE, MonetResultSet.DEF_CONCURRENCY, MonetResultSet.DEF_HOLDABILITY);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
509 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
510
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
511 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
512 * Creates a Statement object that will generate ResultSet objects
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
513 * with the given type and concurrency. This method is the same as
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
514 * the createStatement method above, but it allows the default
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
515 * result set type and concurrency to be overridden.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
516 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
517 * @param resultSetType a result set type; one of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
518 * ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
519 * or ResultSet.TYPE_SCROLL_SENSITIVE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
520 * @param resultSetConcurrency a concurrency type; one of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
521 * ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
522 * @return a new Statement object that will generate ResultSet objects with
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
523 * the given type and concurrency
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
524 * @throws SQLException if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
525 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
526 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
527 public Statement createStatement(final int resultSetType, final int resultSetConcurrency) throws SQLException {
292
b127164342c4 Introduce default general behavior settings DEF_... for MonetResultSets and use them
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 288
diff changeset
528 return createStatement(resultSetType, resultSetConcurrency, MonetResultSet.DEF_HOLDABILITY);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
529 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
530
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
531 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
532 * Creates a Statement object that will generate ResultSet objects
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
533 * with the given type, concurrency, and holdability. This method
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
534 * is the same as the createStatement method above, but it allows
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
535 * the default result set type, concurrency, and holdability to be
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
536 * overridden.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
537 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
538 * @param resultSetType one of the following ResultSet constants:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
539 * ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
540 * or ResultSet.TYPE_SCROLL_SENSITIVE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
541 * @param resultSetConcurrency one of the following ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
542 * constants: ResultSet.CONCUR_READ_ONLY or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
543 * ResultSet.CONCUR_UPDATABLE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
544 * @param resultSetHoldability one of the following ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
545 * constants: ResultSet.HOLD_CURSORS_OVER_COMMIT or
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
546 * ResultSet.CLOSE_CURSORS_AT_COMMIT
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
547 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
548 * @return a new Statement object that will generate ResultSet
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
549 * objects with the given type, concurrency, and holdability
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
550 * @throws SQLException if a database access error occurs or the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
551 * given parameters are not ResultSet constants indicating type,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
552 * concurrency, and holdability
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
553 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
554 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
555 public Statement createStatement(final int resultSetType, final int resultSetConcurrency, final int resultSetHoldability) throws SQLException {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
556 try {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
557 final Statement ret = new MonetStatement(this, resultSetType, resultSetConcurrency, resultSetHoldability);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
558 // store it in the map for when we close...
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
559 statements.put(ret, null);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
560 return ret;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
561 } catch (IllegalArgumentException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
562 throw new SQLException(e.toString(), "M0M03");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
563 }
271
4880267d0fe1 Added implementation of java.sql.CallableStatement interface, test program and updated the ChangeLog and release notes.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 266
diff changeset
564 // we don't have to catch SQLException because that is declared to be thrown
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
565 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
566
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
567 /**
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
568 * Retrieves the current auto-commit mode for this Connection object.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
569 *
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
570 * @return the current state of this Connection object's auto-commit mode
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
571 * @see #setAutoCommit(boolean)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
572 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
573 @Override
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
574 public boolean getAutoCommit() {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
575 return autoCommit;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
576 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
577
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
578 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
579 * Retrieves this Connection object's current catalog name.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
580 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
581 * @return the current catalog name or null if there is none
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
582 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
583 @Override
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
584 public String getCatalog() {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
585 // MonetDB does NOT support catalogs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
586 return null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
587 }
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
588
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
589 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
590 * Retrieves the current holdability of ResultSet objects created
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
591 * using this Connection object.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
592 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
593 * @return the holdability, one of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
594 * ResultSet.HOLD_CURSORS_OVER_COMMIT or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
595 * ResultSet.CLOSE_CURSORS_AT_COMMIT
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
596 * @see #setHoldability(int)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
597 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
598 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
599 public int getHoldability() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
600 // TODO: perhaps it is better to have the server implement
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
601 // CLOSE_CURSORS_AT_COMMIT
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
602 return ResultSet.HOLD_CURSORS_OVER_COMMIT;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
603 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
604
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
605 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
606 * Retrieves a DatabaseMetaData object that contains metadata about
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
607 * the database to which this Connection object represents a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
608 * connection. The metadata includes information about the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
609 * database's tables, its supported SQL grammar, its stored
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
610 * procedures, the capabilities of this connection, and so on.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
611 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
612 * @throws SQLException if the current language is not SQL
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
613 * @return a DatabaseMetaData object for this Connection object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
614 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
615 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
616 public DatabaseMetaData getMetaData() throws SQLException {
472
0e21097f438b Reduce the number of MonetDatabaseMetaData objects created via getMetaData() to maximum 1 per connection as it can be reused.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 451
diff changeset
617 // for debug: System.out.println("calling getMetaData()");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
618 if (lang != LANG_SQL)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
619 throw new SQLException("This method is only supported in SQL mode", "M0M04");
472
0e21097f438b Reduce the number of MonetDatabaseMetaData objects created via getMetaData() to maximum 1 per connection as it can be reused.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 451
diff changeset
620 if (dbmd == null) {
0e21097f438b Reduce the number of MonetDatabaseMetaData objects created via getMetaData() to maximum 1 per connection as it can be reused.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 451
diff changeset
621 // first use, construct it once and reuse it for all next calls
0e21097f438b Reduce the number of MonetDatabaseMetaData objects created via getMetaData() to maximum 1 per connection as it can be reused.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 451
diff changeset
622 dbmd = new MonetDatabaseMetaData(this);
0e21097f438b Reduce the number of MonetDatabaseMetaData objects created via getMetaData() to maximum 1 per connection as it can be reused.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 451
diff changeset
623 }
0e21097f438b Reduce the number of MonetDatabaseMetaData objects created via getMetaData() to maximum 1 per connection as it can be reused.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 451
diff changeset
624 return dbmd;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
625 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
626
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
627 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
628 * Retrieves this Connection object's current transaction isolation
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
629 * level.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
630 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
631 * @return the current transaction isolation level, which will be
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
632 * Connection.TRANSACTION_SERIALIZABLE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
633 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
634 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
635 public int getTransactionIsolation() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
636 return TRANSACTION_SERIALIZABLE;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
637 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
638
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
639 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
640 * Retrieves the Map object associated with this Connection object.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
641 * Unless the application has added an entry, the type map returned
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
642 * will be empty.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
643 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
644 * @return the java.util.Map object associated with this Connection
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
645 * object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
646 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
647 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
648 public Map<String,Class<?>> getTypeMap() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
649 return typeMap;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
650 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
651
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
652 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
653 * Retrieves the first warning reported by calls on this Connection
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
654 * object. If there is more than one warning, subsequent warnings
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
655 * will be chained to the first one and can be retrieved by calling
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
656 * the method SQLWarning.getNextWarning on the warning that was
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
657 * retrieved previously.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
658 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
659 * This method may not be called on a closed connection; doing so
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
660 * will cause an SQLException to be thrown.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
661 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
662 * Note: Subsequent warnings will be chained to this SQLWarning.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
663 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
664 * @return the first SQLWarning object or null if there are none
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
665 * @throws SQLException if a database access error occurs or this method is
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
666 * called on a closed connection
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
667 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
668 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
669 public SQLWarning getWarnings() throws SQLException {
348
bcb9a99d399d Add private checkNotClosed() method to check if the connection is not closed.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 345
diff changeset
670 checkNotClosed();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
671 // if there are no warnings, this will be null, which fits with the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
672 // specification.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
673 return warnings;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
674 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
675
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
676 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
677 * Retrieves whether this Connection object has been closed. A
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
678 * connection is closed if the method close has been called on it or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
679 * if certain fatal errors have occurred. This method is guaranteed
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
680 * to return true only when it is called after the method
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
681 * Connection.close has been called.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
682 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
683 * This method generally cannot be called to determine whether a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
684 * connection to a database is valid or invalid. A typical client
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
685 * can determine that a connection is invalid by catching any
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
686 * exceptions that might be thrown when an operation is attempted.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
687 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
688 * @return true if this Connection object is closed; false if it is
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
689 * still open
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
690 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
691 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
692 public boolean isClosed() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
693 return closed;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
694 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
695
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
696 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
697 * Retrieves whether this Connection object is in read-only mode.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
698 * MonetDB currently doesn't support updateable result sets, but
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
699 * updates are possible. Hence the Connection object is never in
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
700 * read-only mode.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
701 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
702 * @return true if this Connection object is read-only; false otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
703 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
704 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
705 public boolean isReadOnly() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
706 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
707 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
708
184
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
709 /**
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
710 * Converts the given SQL statement into the system's native SQL grammar.
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
711 * A driver may convert the JDBC SQL grammar into its system's native SQL grammar prior to sending it.
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
712 * This method returns the native form of the statement that the driver would have sent.
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
713 *
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
714 * @param sql - an SQL statement that may contain one or more '?' parameter placeholders.
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
715 * @return the native form of this statement
184
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
716 */
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
717 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
718 public String nativeSQL(final String sql) {
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
719 /* there is currently no way to get the native MonetDB rewritten SQL string back, so just return the original string */
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
720 /* in future we may replace/remove the escape sequences { <escape-type> ...} before sending it to the server */
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
721 return sql;
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
722 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
723
184
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
724 /**
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
725 * Creates a CallableStatement object for calling database stored procedures.
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
726 * The CallableStatement object provides methods for setting up its IN and OUT parameters,
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
727 * and methods for executing the call to a stored procedure.
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
728 *
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
729 * Note: This method is optimized for handling stored procedure call statements.
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
730 * Some drivers may send the call statement to the database when the method prepareCall is done;
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
731 * others may wait until the CallableStatement object is executed. This has no direct effect
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
732 * on users; however, it does affect which method throws certain SQLExceptions.
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
733 *
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
734 * Result sets created using the returned CallableStatement object will by default be type TYPE_FORWARD_ONLY
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
735 * and have a concurrency level of CONCUR_READ_ONLY.
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
736 * The holdability of the created result sets can be determined by calling getHoldability().
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
737 *
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
738 * @param sql - an SQL statement that may contain one or more '?' parameter placeholders.
184
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
739 * Typically this statement is specified using JDBC call escape syntax.
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
740 * @return a new default CallableStatement object containing the pre-compiled SQL statement
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
741 * @throws SQLException - if a database access error occurs or this method is called on a closed connection
184
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
742 */
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
743 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
744 public CallableStatement prepareCall(final String sql) throws SQLException {
292
b127164342c4 Introduce default general behavior settings DEF_... for MonetResultSets and use them
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 288
diff changeset
745 return prepareCall(sql, MonetResultSet.DEF_RESULTSETTYPE, MonetResultSet.DEF_CONCURRENCY, MonetResultSet.DEF_HOLDABILITY);
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
746 }
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
747
184
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
748 /**
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
749 * Creates a CallableStatement object that will generate ResultSet objects with the given type and concurrency.
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
750 * This method is the same as the prepareCall method above, but it allows the default result set type and concurrency to be overridden.
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
751 * The holdability of the created result sets can be determined by calling getHoldability().
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
752 *
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
753 * @param sql - a String object that is the SQL statement to be sent to the database; may contain on or more '?' parameters
184
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
754 * Typically this statement is specified using JDBC call escape syntax.
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
755 * @param resultSetType - a result set type; one of ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
756 * @param resultSetConcurrency - a concurrency type; one of ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
757 * @return a new CallableStatement object containing the pre-compiled SQL statement that
184
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
758 * will produce ResultSet objects with the given type and concurrency
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
759 * @throws SQLException - if a database access error occurs, this method is called on a closed connection or
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
760 * the given parameters are not ResultSet constants indicating type and concurrency
184
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
761 */
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
762 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
763 public CallableStatement prepareCall(final String sql, final int resultSetType, final int resultSetConcurrency) throws SQLException {
292
b127164342c4 Introduce default general behavior settings DEF_... for MonetResultSets and use them
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 288
diff changeset
764 return prepareCall(sql, resultSetType, resultSetConcurrency, MonetResultSet.DEF_HOLDABILITY);
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
765 }
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
766
184
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
767 /**
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
768 * Creates a CallableStatement object that will generate ResultSet objects with the given type and concurrency.
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
769 * This method is the same as the prepareCall method above, but it allows the default result set type, result set concurrency type and holdability to be overridden.
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
770 *
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
771 * @param sql - a String object that is the SQL statement to be sent to the database; may contain on or more '?' parameters
184
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
772 * Typically this statement is specified using JDBC call escape syntax.
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
773 * @param resultSetType - a result set type; one of ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
774 * @param resultSetConcurrency - a concurrency type; one of ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
775 * @param resultSetHoldability - one of the following ResultSet constants: ResultSet.HOLD_CURSORS_OVER_COMMIT or ResultSet.CLOSE_CURSORS_AT_COMMIT
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
776 * @return a new CallableStatement object, containing the pre-compiled SQL statement, that will generate ResultSet objects with the given type, concurrency, and holdability
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
777 * @throws SQLException - if a database access error occurs, this method is called on a closed connection or
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
778 * the given parameters are not ResultSet constants indicating type, concurrency, and holdability
184
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
779 */
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
780 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
781 public CallableStatement prepareCall(final String sql, final int resultSetType, final int resultSetConcurrency, final int resultSetHoldability)
184
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
782 throws SQLException
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
783 {
348
bcb9a99d399d Add private checkNotClosed() method to check if the connection is not closed.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 345
diff changeset
784 checkNotClosed();
271
4880267d0fe1 Added implementation of java.sql.CallableStatement interface, test program and updated the ChangeLog and release notes.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 266
diff changeset
785 try {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
786 final CallableStatement ret = new MonetCallableStatement(
271
4880267d0fe1 Added implementation of java.sql.CallableStatement interface, test program and updated the ChangeLog and release notes.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 266
diff changeset
787 this,
4880267d0fe1 Added implementation of java.sql.CallableStatement interface, test program and updated the ChangeLog and release notes.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 266
diff changeset
788 resultSetType,
4880267d0fe1 Added implementation of java.sql.CallableStatement interface, test program and updated the ChangeLog and release notes.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 266
diff changeset
789 resultSetConcurrency,
4880267d0fe1 Added implementation of java.sql.CallableStatement interface, test program and updated the ChangeLog and release notes.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 266
diff changeset
790 resultSetHoldability,
4880267d0fe1 Added implementation of java.sql.CallableStatement interface, test program and updated the ChangeLog and release notes.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 266
diff changeset
791 sql
4880267d0fe1 Added implementation of java.sql.CallableStatement interface, test program and updated the ChangeLog and release notes.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 266
diff changeset
792 );
4880267d0fe1 Added implementation of java.sql.CallableStatement interface, test program and updated the ChangeLog and release notes.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 266
diff changeset
793 // store it in the map for when we close...
4880267d0fe1 Added implementation of java.sql.CallableStatement interface, test program and updated the ChangeLog and release notes.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 266
diff changeset
794 statements.put(ret, null);
4880267d0fe1 Added implementation of java.sql.CallableStatement interface, test program and updated the ChangeLog and release notes.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 266
diff changeset
795 return ret;
4880267d0fe1 Added implementation of java.sql.CallableStatement interface, test program and updated the ChangeLog and release notes.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 266
diff changeset
796 } catch (IllegalArgumentException e) {
4880267d0fe1 Added implementation of java.sql.CallableStatement interface, test program and updated the ChangeLog and release notes.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 266
diff changeset
797 throw new SQLException(e.toString(), "M0M03");
4880267d0fe1 Added implementation of java.sql.CallableStatement interface, test program and updated the ChangeLog and release notes.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 266
diff changeset
798 }
4880267d0fe1 Added implementation of java.sql.CallableStatement interface, test program and updated the ChangeLog and release notes.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 266
diff changeset
799 // we don't have to catch SQLException because that is declared to be thrown
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
800 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
801
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
802 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
803 * Creates a PreparedStatement object for sending parameterized SQL
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
804 * statements to the database.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
805 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
806 * A SQL statement with or without IN parameters can be pre-compiled
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
807 * and stored in a PreparedStatement object. This object can then be
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
808 * used to efficiently execute this statement multiple times.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
809 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
810 * Note: This method is optimized for handling parametric SQL
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
811 * statements that benefit from precompilation. If the driver
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
812 * supports precompilation, the method prepareStatement will send
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
813 * the statement to the database for precompilation. Some drivers
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
814 * may not support precompilation. In this case, the statement may
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
815 * not be sent to the database until the PreparedStatement object is
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
816 * executed. This has no direct effect on users; however, it does
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
817 * affect which methods throw certain SQLException objects.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
818 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
819 * Result sets created using the returned PreparedStatement object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
820 * will by default be type TYPE_FORWARD_ONLY and have a concurrency
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
821 * level of CONCUR_READ_ONLY.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
822 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
823 * @param sql an SQL statement that may contain one or more '?' IN
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
824 * parameter placeholders
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
825 * @return a new default PreparedStatement object containing the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
826 * pre-compiled SQL statement
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
827 * @throws SQLException if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
828 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
829 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
830 public PreparedStatement prepareStatement(final String sql) throws SQLException {
292
b127164342c4 Introduce default general behavior settings DEF_... for MonetResultSets and use them
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 288
diff changeset
831 return prepareStatement(sql, MonetResultSet.DEF_RESULTSETTYPE, MonetResultSet.DEF_CONCURRENCY, MonetResultSet.DEF_HOLDABILITY);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
832 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
833
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
834 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
835 * Creates a PreparedStatement object that will generate ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
836 * objects with the given type and concurrency. This method is the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
837 * same as the prepareStatement method above, but it allows the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
838 * default result set type and concurrency to be overridden.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
839 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
840 * @param sql a String object that is the SQL statement to be sent to the
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
841 * database; may contain one or more ? IN parameters
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
842 * @param resultSetType a result set type; one of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
843 * ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
844 * or ResultSet.TYPE_SCROLL_SENSITIVE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
845 * @param resultSetConcurrency a concurrency type; one of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
846 * ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
847 * @return a new PreparedStatement object containing the pre-compiled SQL
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
848 * statement that will produce ResultSet objects with the given
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
849 * type and concurrency
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
850 * @throws SQLException if a database access error occurs or the given
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
851 * parameters are not ResultSet constants indicating
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
852 * type and concurrency
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
853 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
854 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
855 public PreparedStatement prepareStatement(final String sql, final int resultSetType, final int resultSetConcurrency) throws SQLException {
292
b127164342c4 Introduce default general behavior settings DEF_... for MonetResultSets and use them
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 288
diff changeset
856 return prepareStatement(sql, resultSetType, resultSetConcurrency, MonetResultSet.DEF_HOLDABILITY);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
857 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
858
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
859 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
860 * Creates a PreparedStatement object that will generate ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
861 * objects with the given type, concurrency, and holdability.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
862 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
863 * This method is the same as the prepareStatement method above, but
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
864 * it allows the default result set type, concurrency, and
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
865 * holdability to be overridden.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
866 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
867 * @param sql a String object that is the SQL statement to be sent
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
868 * to the database; may contain one or more ? IN parameters
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
869 * @param resultSetType one of the following ResultSet constants:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
870 * ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
871 * or ResultSet.TYPE_SCROLL_SENSITIVE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
872 * @param resultSetConcurrency one of the following ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
873 * constants: ResultSet.CONCUR_READ_ONLY or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
874 * ResultSet.CONCUR_UPDATABLE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
875 * @param resultSetHoldability one of the following ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
876 * constants: ResultSet.HOLD_CURSORS_OVER_COMMIT or
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
877 * ResultSet.CLOSE_CURSORS_AT_COMMIT
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
878 * @return a new PreparedStatement object, containing the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
879 * pre-compiled SQL statement, that will generate ResultSet objects
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
880 * with the given type, concurrency, and holdability
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
881 * @throws SQLException if a database access error occurs or the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
882 * given parameters are not ResultSet constants indicating type,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
883 * concurrency, and holdability
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
884 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
885 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
886 public PreparedStatement prepareStatement(final String sql, final int resultSetType, final int resultSetConcurrency, final int resultSetHoldability)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
887 throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
888 {
348
bcb9a99d399d Add private checkNotClosed() method to check if the connection is not closed.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 345
diff changeset
889 checkNotClosed();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
890 try {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
891 final PreparedStatement ret = new MonetPreparedStatement(
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
892 this,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
893 resultSetType,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
894 resultSetConcurrency,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
895 resultSetHoldability,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
896 sql
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
897 );
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
898 // store it in the map for when we close...
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
899 statements.put(ret, null);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
900 return ret;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
901 } catch (IllegalArgumentException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
902 throw new SQLException(e.toString(), "M0M03");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
903 }
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
904 // we don't have to catch SQLException because that is declared to be thrown
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
905 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
906
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
907 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
908 * Creates a default PreparedStatement object that has the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
909 * capability to retrieve auto-generated keys. The given constant
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
910 * tells the driver whether it should make auto-generated keys
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
911 * available for retrieval. This parameter is ignored if the SQL
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
912 * statement is not an INSERT statement.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
913 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
914 * Note: This method is optimized for handling parametric SQL
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
915 * statements that benefit from precompilation. If the driver
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
916 * supports precompilation, the method prepareStatement will send
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
917 * the statement to the database for precompilation. Some drivers
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
918 * may not support precompilation. In this case, the statement may
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
919 * not be sent to the database until the PreparedStatement object is
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
920 * executed. This has no direct effect on users; however, it does
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
921 * affect which methods throw certain SQLExceptions.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
922 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
923 * Result sets created using the returned PreparedStatement object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
924 * will by default be type TYPE_FORWARD_ONLY and have a concurrency
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
925 * level of CONCUR_READ_ONLY.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
926 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
927 * @param sql an SQL statement that may contain one or more '?' IN
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
928 * parameter placeholders
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
929 * @param autoGeneratedKeys a flag indicating whether auto-generated
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
930 * keys should be returned; one of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
931 * Statement.RETURN_GENERATED_KEYS or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
932 * Statement.NO_GENERATED_KEYS
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
933 * @return a new PreparedStatement object, containing the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
934 * pre-compiled SQL statement, that will have the capability
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
935 * of returning auto-generated keys
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
936 * @throws SQLException - if a database access error occurs or the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
937 * given parameter is not a Statement constant indicating
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
938 * whether auto-generated keys should be returned
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
939 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
940 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
941 public PreparedStatement prepareStatement(final String sql, final int autoGeneratedKeys) throws SQLException {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
942 if (autoGeneratedKeys != Statement.RETURN_GENERATED_KEYS &&
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
943 autoGeneratedKeys != Statement.NO_GENERATED_KEYS)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
944 throw new SQLException("Invalid argument, expected RETURN_GENERATED_KEYS or NO_GENERATED_KEYS", "M1M05");
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
945
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
946 /* MonetDB has no way to disable this, so just do the normal thing ;) */
292
b127164342c4 Introduce default general behavior settings DEF_... for MonetResultSets and use them
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 288
diff changeset
947 return prepareStatement(sql, MonetResultSet.DEF_RESULTSETTYPE, MonetResultSet.DEF_CONCURRENCY, MonetResultSet.DEF_HOLDABILITY);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
948 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
949
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
950 /**
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
951 * Creates a default PreparedStatement object capable of returning the auto-generated keys designated by the given array.
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
952 * This array contains the indexes of the columns in the target table that contain the auto-generated keys that should be made available.
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
953 * The driver will ignore the array if the SQL statement is not an INSERT statement, or an SQL statement able to
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
954 * return auto-generated keys (the list of such statements is vendor-specific).
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
955 *
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
956 * An SQL statement with or without IN parameters can be pre-compiled and stored in a PreparedStatement object.
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
957 * This object can then be used to efficiently execute this statement multiple times.
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
958 *
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
959 * Note: This method is optimized for handling parametric SQL statements that benefit from precompilation.
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
960 * If the driver supports precompilation, the method prepareStatement will send the statement to the database for precompilation.
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
961 * Some drivers may not support precompilation. In this case, the statement may not be sent to the database until the PreparedStatement
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
962 * object is executed. This has no direct effect on users; however, it does affect which methods throw certain SQLExceptions.
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
963 *
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
964 * Result sets created using the returned PreparedStatement object will by default be type TYPE_FORWARD_ONLY and have
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
965 * a concurrency level of CONCUR_READ_ONLY. The holdability of the created result sets can be determined by calling getHoldability().
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
966 *
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
967 * @param sql - an SQL statement that may contain one or more '?' IN parameter placeholders
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
968 * @param columnIndexes - an array of column indexes indicating the columns that should be returned from the inserted row or rows
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
969 * @return a new PreparedStatement object, containing the pre-compiled statement, that is capable of
414
1e278695fe54 Small improvements: adding some final keywords, removing unnecesary initialisations, improve comments.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 408
diff changeset
970 * returning the auto-generated keys designated by the given array of column indexes
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
971 * @throws SQLException - if a database access error occurs or this method is called on a closed connection
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
972 * @throws SQLFeatureNotSupportedException - if the JDBC driver does not support this method
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
973 */
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
974 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
975 public PreparedStatement prepareStatement(final String sql, final int[] columnIndexes) throws SQLException {
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
976 throw newSQLFeatureNotSupportedException("prepareStatement(String sql, int[] columnIndexes)");
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
977 }
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
978
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
979 /**
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
980 * Creates a default PreparedStatement object capable of returning the auto-generated keys designated by the given array.
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
981 * This array contains the names of the columns in the target table that contain the auto-generated keys that should be returned.
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
982 * The driver will ignore the array if the SQL statement is not an INSERT statement, or an SQL statement able to
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
983 * return auto-generated keys (the list of such statements is vendor-specific).
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
984 *
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
985 * An SQL statement with or without IN parameters can be pre-compiled and stored in a PreparedStatement object.
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
986 * This object can then be used to efficiently execute this statement multiple times.
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
987 *
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
988 * Note: This method is optimized for handling parametric SQL statements that benefit from precompilation.
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
989 * If the driver supports precompilation, the method prepareStatement will send the statement to the database for precompilation.
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
990 * Some drivers may not support precompilation. In this case, the statement may not be sent to the database until the PreparedStatement
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
991 * object is executed. This has no direct effect on users; however, it does affect which methods throw certain SQLExceptions.
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
992 *
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
993 * Result sets created using the returned PreparedStatement object will by default be type TYPE_FORWARD_ONLY and have
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
994 * a concurrency level of CONCUR_READ_ONLY. The holdability of the created result sets can be determined by calling getHoldability().
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
995 *
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
996 * @param sql - an SQL statement that may contain one or more '?' IN parameter placeholders
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
997 * @param columnNames - an array of column names indicating the columns that should be returned from the inserted row or rows
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
998 * @return a new PreparedStatement object, containing the pre-compiled statement, that is capable of
414
1e278695fe54 Small improvements: adding some final keywords, removing unnecesary initialisations, improve comments.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 408
diff changeset
999 * returning the auto-generated keys designated by the given array of column names
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
1000 * @throws SQLException - if a database access error occurs or this method is called on a closed connection
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
1001 * @throws SQLFeatureNotSupportedException - if the JDBC driver does not support this method
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
1002 */
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1003 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1004 public PreparedStatement prepareStatement(final String sql, final String[] columnNames) throws SQLException {
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
1005 throw newSQLFeatureNotSupportedException("prepareStatement(String sql, String[] columnNames)");
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
1006 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1007
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1008 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1009 * Removes the given Savepoint object from the current transaction.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1010 * Any reference to the savepoint after it have been removed will
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1011 * cause an SQLException to be thrown.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1012 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1013 * @param savepoint the Savepoint object to be removed
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1014 * @throws SQLException if a database access error occurs or the given
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1015 * Savepoint object is not a valid savepoint in the current
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1016 * transaction
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1017 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1018 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1019 public void releaseSavepoint(final Savepoint savepoint) throws SQLException {
348
bcb9a99d399d Add private checkNotClosed() method to check if the connection is not closed.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 345
diff changeset
1020 checkNotClosed();
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1021 if (!(savepoint instanceof MonetSavepoint))
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1022 throw new SQLException("This driver can only handle savepoints it created itself", "M0M06");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1023
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1024 final MonetSavepoint sp = (MonetSavepoint)savepoint;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1025
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1026 // note: can't use sendIndependentCommand here because we need
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1027 // to process the auto_commit state the server gives
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
1028 sendTransactionCommand("RELEASE SAVEPOINT " + sp.getName());
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1029 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1030
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1031 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1032 * Undoes all changes made in the current transaction and releases
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1033 * any database locks currently held by this Connection object.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1034 * This method should be used only when auto-commit mode has been disabled.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1035 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1036 * @throws SQLException if a database access error occurs or this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1037 * Connection object is in auto-commit mode
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1038 * @see #setAutoCommit(boolean)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1039 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1040 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1041 public void rollback() throws SQLException {
348
bcb9a99d399d Add private checkNotClosed() method to check if the connection is not closed.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 345
diff changeset
1042 checkNotClosed();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1043 // note: can't use sendIndependentCommand here because we need
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1044 // to process the auto_commit state the server gives
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
1045 sendTransactionCommand("ROLLBACK");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1046 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1047
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1048 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1049 * Undoes all changes made after the given Savepoint object was set.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1050 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1051 * This method should be used only when auto-commit has been disabled.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1052 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1053 * @param savepoint the Savepoint object to roll back to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1054 * @throws SQLException if a database access error occurs, the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1055 * Savepoint object is no longer valid, or this Connection
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1056 * object is currently in auto-commit mode
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1057 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1058 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1059 public void rollback(final Savepoint savepoint) throws SQLException {
348
bcb9a99d399d Add private checkNotClosed() method to check if the connection is not closed.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 345
diff changeset
1060 checkNotClosed();
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1061 if (!(savepoint instanceof MonetSavepoint))
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1062 throw new SQLException("This driver can only handle savepoints it created itself", "M0M06");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1063
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1064 final MonetSavepoint sp = (MonetSavepoint)savepoint;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1065
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1066 // note: can't use sendIndependentCommand here because we need
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1067 // to process the auto_commit state the server gives
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
1068 sendTransactionCommand("ROLLBACK TO SAVEPOINT " + sp.getName());
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1069 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1070
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1071 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1072 * Sets this connection's auto-commit mode to the given state. If a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1073 * connection is in auto-commit mode, then all its SQL statements
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1074 * will be executed and committed as individual transactions.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1075 * Otherwise, its SQL statements are grouped into transactions that
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1076 * are terminated by a call to either the method commit or the
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1077 * method rollback. By default, new connections are in auto-commit mode.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1078 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1079 * The commit occurs when the statement completes or the next
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1080 * execute occurs, whichever comes first. In the case of statements
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1081 * returning a ResultSet object, the statement completes when the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1082 * last row of the ResultSet object has been retrieved or the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1083 * ResultSet object has been closed. In advanced cases, a single
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1084 * statement may return multiple results as well as output parameter
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1085 * values. In these cases, the commit occurs when all results and
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1086 * output parameter values have been retrieved.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1087 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1088 * NOTE: If this method is called during a transaction, the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1089 * transaction is committed.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1090 *
8
a27ee2cb14a0 Replace String methods equals("") and "".equals( with isEmpty()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 0
diff changeset
1091 * @param autoCommit true to enable auto-commit mode; false to disable it
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1092 * @throws SQLException if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1093 * @see #getAutoCommit()
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1094 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1095 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1096 public void setAutoCommit(final boolean autoCommit) throws SQLException {
348
bcb9a99d399d Add private checkNotClosed() method to check if the connection is not closed.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 345
diff changeset
1097 checkNotClosed();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1098 if (this.autoCommit != autoCommit) {
407
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1099 sendControlCommand(autoCommit ? "auto_commit 1" : "auto_commit 0");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1100 this.autoCommit = autoCommit;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1101 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1102 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1103
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1104 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1105 * Sets the given catalog name in order to select a subspace of this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1106 * Connection object's database in which to work. If the driver
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1107 * does not support catalogs, it will silently ignore this request.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1108 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1109 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1110 public void setCatalog(final String catalog) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1111 // silently ignore this request as MonetDB does not support catalogs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1112 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1113
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1114 /**
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1115 * Changes the default holdability of ResultSet objects created using this
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1116 * Connection object to the given holdability. The default holdability of
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1117 * ResultSet objects can be be determined by invoking DatabaseMetaData.getResultSetHoldability().
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1118 *
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1119 * @param holdability - a ResultSet holdability constant; one of
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1120 * ResultSet.HOLD_CURSORS_OVER_COMMIT or
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1121 * ResultSet.CLOSE_CURSORS_AT_COMMIT
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
1122 * @throws SQLException - if a database access error occurs or this method is called on a closed connection
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
1123 * @throws SQLFeatureNotSupportedException - if the JDBC driver does not support this method or argument
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1124 * @see #getHoldability()
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1125 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1126 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1127 public void setHoldability(final int holdability) throws SQLException {
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1128 // we only support ResultSet.HOLD_CURSORS_OVER_COMMIT
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1129 if (holdability != ResultSet.HOLD_CURSORS_OVER_COMMIT)
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
1130 throw newSQLFeatureNotSupportedException("setHoldability(CLOSE_CURSORS_AT_COMMIT)");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1131 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1132
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1133 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1134 * Puts this connection in read-only mode as a hint to the driver to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1135 * enable database optimizations. MonetDB doesn't support any mode
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1136 * here, hence an SQLWarning is generated if attempted to set
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1137 * to true here.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1138 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1139 * @param readOnly true enables read-only mode; false disables it
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1140 * @throws SQLException if a database access error occurs or this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1141 * method is called during a transaction.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1142 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1143 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1144 public void setReadOnly(final boolean readOnly) throws SQLException {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1145 if (readOnly == true)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1146 addWarning("cannot setReadOnly(true): read-only Connection mode not supported", "01M08");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1147 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1148
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1149 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1150 * Creates an unnamed savepoint in the current transaction and
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1151 * returns the new Savepoint object that represents it.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1152 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1153 * @return the new Savepoint object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1154 * @throws SQLException if a database access error occurs or this Connection
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1155 * object is currently in auto-commit mode
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1156 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1157 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1158 public Savepoint setSavepoint() throws SQLException {
407
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1159 return setSavepoint(null);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1160 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1161
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1162 /**
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1163 * Creates a savepoint with the given name in the current transaction
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1164 * and returns the new Savepoint object that represents it.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1165 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1166 * @param name a String containing the name of the savepoint
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1167 * @return the new Savepoint object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1168 * @throws SQLException if a database access error occurs or this Connection
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1169 * object is currently in auto-commit mode
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1170 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1171 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1172 public Savepoint setSavepoint(final String name) throws SQLException {
348
bcb9a99d399d Add private checkNotClosed() method to check if the connection is not closed.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 345
diff changeset
1173 checkNotClosed();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1174 // create a new Savepoint object
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1175 final MonetSavepoint sp;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1176 try {
407
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1177 sp = (name != null) ? new MonetSavepoint(name) : new MonetSavepoint();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1178 } catch (IllegalArgumentException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1179 throw new SQLException(e.getMessage(), "M0M03");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1180 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1181
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1182 // note: can't use sendIndependentCommand here because we need
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1183 // to process the auto_commit state the server gives
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
1184 sendTransactionCommand("SAVEPOINT " + sp.getName());
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1185 return sp;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1186 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1187
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1188 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1189 * Attempts to change the transaction isolation level for this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1190 * Connection object to the one given. The constants defined in the
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1191 * interface Connection are the possible transaction isolation levels.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1192 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1193 * @param level one of the following Connection constants:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1194 * Connection.TRANSACTION_READ_UNCOMMITTED,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1195 * Connection.TRANSACTION_READ_COMMITTED,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1196 * Connection.TRANSACTION_REPEATABLE_READ, or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1197 * Connection.TRANSACTION_SERIALIZABLE.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1198 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1199 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1200 public void setTransactionIsolation(final int level) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1201 if (level != TRANSACTION_SERIALIZABLE) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1202 addWarning("MonetDB only supports fully serializable " +
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1203 "transactions, continuing with transaction level " +
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1204 "raised to TRANSACTION_SERIALIZABLE", "01M09");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1205 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1206 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1207
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1208 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1209 * Installs the given TypeMap object as the type map for this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1210 * Connection object. The type map will be used for the custom
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1211 * mapping of SQL structured types and distinct types.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1212 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1213 * @param map the java.util.Map object to install as the replacement for
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1214 * this Connection object's default type map
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1215 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1216 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1217 public void setTypeMap(final Map<String, Class<?>> map) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1218 typeMap = map;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1219 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1220
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1221 /**
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1222 * Returns a string identifying this Connection to the MonetDB server.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1223 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1224 * @return a String representing this Object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1225 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1226 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1227 public String toString() {
480
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
1228 return "MonetDB Connection (" + getJDBCURL()
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
1229 + (closed ? ") disconnected" : ") connected");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1230 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1231
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1232 //== Java 1.6 methods (JDBC 4.0)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1233
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1234 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1235 * Factory method for creating Array objects.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1236 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1237 * Note: When createArrayOf is used to create an array object that
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1238 * maps to a primitive data type, then it is implementation-defined
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1239 * whether the Array object is an array of that primitive data type
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1240 * or an array of Object.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1241 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1242 * Note: The JDBC driver is responsible for mapping the elements
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1243 * Object array to the default JDBC SQL type defined in
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1244 * java.sql.Types for the given class of Object. The default mapping
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1245 * is specified in Appendix B of the JDBC specification. If the
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1246 * resulting JDBC type is not the appropriate type for the given
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1247 * typeName then it is implementation defined whether an
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1248 * SQLException is thrown or the driver supports the resulting conversion.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1249 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1250 * @param typeName the SQL name of the type the elements of the
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1251 * array map to. The typeName is a database-specific name
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1252 * which may be the name of a built-in type, a user-defined
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1253 * type or a standard SQL type supported by this database.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1254 * This is the value returned by Array.getBaseTypeName
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1255 * @return an Array object whose elements map to the specified SQL type
89
a6608e9581c1 Moved content of ChangeLog to ChangeLog-Archive.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 77
diff changeset
1256 * @throws SQLException - if a database error occurs, the JDBC type is not appropriate for the typeName and
a6608e9581c1 Moved content of ChangeLog to ChangeLog-Archive.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 77
diff changeset
1257 * the conversion is not supported, the typeName is null or this method is called on a closed connection
a6608e9581c1 Moved content of ChangeLog to ChangeLog-Archive.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 77
diff changeset
1258 * @throws SQLFeatureNotSupportedException - if the JDBC driver does not support this data type
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1259 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1260 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1261 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1262 public java.sql.Array createArrayOf(final String typeName, final Object[] elements) throws SQLException {
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
1263 throw newSQLFeatureNotSupportedException("createArrayOf");
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1264 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1265
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1266 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1267 * Constructs an object that implements the Clob interface. The
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1268 * object returned initially contains no data. The setAsciiStream,
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1269 * setCharacterStream and setString methods of the Clob interface
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1270 * may be used to add data to the Clob.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1271 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1272 * @return a MonetClob instance
89
a6608e9581c1 Moved content of ChangeLog to ChangeLog-Archive.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 77
diff changeset
1273 * @throws SQLException - if an object that implements the Clob interface can not be constructed,
a6608e9581c1 Moved content of ChangeLog to ChangeLog-Archive.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 77
diff changeset
1274 * this method is called on a closed connection or a database access error occurs.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1275 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1276 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1277 @Override
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1278 public java.sql.Clob createClob() throws SQLException {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1279 return new MonetClob("");
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1280 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1281
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1282 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1283 * Constructs an object that implements the Blob interface. The
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1284 * object returned initially contains no data. The setBinaryStream
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1285 * and setBytes methods of the Blob interface may be used to add
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1286 * data to the Blob.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1287 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1288 * @return a MonetBlob instance
89
a6608e9581c1 Moved content of ChangeLog to ChangeLog-Archive.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 77
diff changeset
1289 * @throws SQLException - if an object that implements the Blob interface can not be constructed,
a6608e9581c1 Moved content of ChangeLog to ChangeLog-Archive.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 77
diff changeset
1290 * this method is called on a closed connection or a database access error occurs.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1291 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1292 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1293 @Override
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1294 public java.sql.Blob createBlob() throws SQLException {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1295 return new MonetBlob(new byte[1]);
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1296 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1297
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1298 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1299 * Constructs an object that implements the NClob interface. The
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1300 * object returned initially contains no data. The setAsciiStream,
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1301 * setCharacterStream and setString methods of the NClob interface
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1302 * may be used to add data to the NClob.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1303 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1304 * @return an NClob instance
89
a6608e9581c1 Moved content of ChangeLog to ChangeLog-Archive.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 77
diff changeset
1305 * @throws SQLException - if an object that implements the NClob interface can not be constructed,
a6608e9581c1 Moved content of ChangeLog to ChangeLog-Archive.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 77
diff changeset
1306 * this method is called on a closed connection or a database access error occurs.
a6608e9581c1 Moved content of ChangeLog to ChangeLog-Archive.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 77
diff changeset
1307 * @throws SQLFeatureNotSupportedException - if the JDBC driver does not support this data type
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1308 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1309 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1310 @Override
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1311 public java.sql.NClob createNClob() throws SQLException {
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
1312 throw newSQLFeatureNotSupportedException("createNClob");
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1313 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1314
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1315 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1316 * Factory method for creating Struct objects.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1317 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1318 * @param typeName the SQL type name of the SQL structured type that
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1319 * this Struct object maps to. The typeName is the name of a
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1320 * user-defined type that has been defined for this database.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1321 * It is the value returned by Struct.getSQLTypeName.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1322 * @param attributes the attributes that populate the returned object
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1323 * @return a Struct object that maps to the given SQL type and is
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1324 * populated with the given attributes
89
a6608e9581c1 Moved content of ChangeLog to ChangeLog-Archive.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 77
diff changeset
1325 * @throws SQLException - if an object that implements the Struct interface can not be constructed,
a6608e9581c1 Moved content of ChangeLog to ChangeLog-Archive.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 77
diff changeset
1326 * this method is called on a closed connection or a database access error occurs.
a6608e9581c1 Moved content of ChangeLog to ChangeLog-Archive.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 77
diff changeset
1327 * @throws SQLFeatureNotSupportedException - if the JDBC driver does not support this data type
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1328 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1329 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1330 @Override
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
1331 public java.sql.Struct createStruct(String typeName, Object[] attributes) throws SQLException {
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
1332 throw newSQLFeatureNotSupportedException("createStruct");
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1333 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1334
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1335 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1336 * Constructs an object that implements the SQLXML interface. The
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1337 * object returned initially contains no data. The
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1338 * createXmlStreamWriter object and setString method of the SQLXML
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1339 * interface may be used to add data to the SQLXML object.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1340 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1341 * @return An object that implements the SQLXML interface
89
a6608e9581c1 Moved content of ChangeLog to ChangeLog-Archive.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 77
diff changeset
1342 * @throws SQLException - if an object that implements the SQLXML interface can not be constructed,
a6608e9581c1 Moved content of ChangeLog to ChangeLog-Archive.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 77
diff changeset
1343 * this method is called on a closed connection or a database access error occurs.
a6608e9581c1 Moved content of ChangeLog to ChangeLog-Archive.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 77
diff changeset
1344 * @throws SQLFeatureNotSupportedException - if the JDBC driver does not support this data type
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1345 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1346 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1347 @Override
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1348 public java.sql.SQLXML createSQLXML() throws SQLException {
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
1349 throw newSQLFeatureNotSupportedException("createSQLXML");
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1350 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1351
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1352 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1353 * Returns true if the connection has not been closed and is still
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1354 * valid. The driver shall submit a query on the connection or use
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1355 * some other mechanism that positively verifies the connection is
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1356 * still valid when this method is called.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1357 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1358 * The query submitted by the driver to validate the connection
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1359 * shall be executed in the context of the current transaction.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1360 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1361 * @param timeout The time in seconds to wait for the database
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1362 * operation used to validate the connection to complete. If
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1363 * the timeout period expires before the operation completes,
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1364 * this method returns false. A value of 0 indicates a
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1365 * timeout is not applied to the database operation.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1366 * @return true if the connection is valid, false otherwise
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1367 * @throws SQLException if the value supplied for timeout is less than 0
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1368 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1369 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1370 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1371 public boolean isValid(final int timeout) throws SQLException {
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1372 if (timeout < 0)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1373 throw new SQLException("timeout is less than 0", "M1M05");
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1374 if (closed)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1375 return false;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1376
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
1377 // ping monetdb server using query: select 1;
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1378 Statement stmt = null;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1379 ResultSet rs = null;
167
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1380 boolean isValid = false;
345
45155894aece Remove catch code from finally part where original timeout is reset on server.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 343
diff changeset
1381 final int original_timeout = this.lastSetQueryTimeout;
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1382 try {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1383 stmt = createStatement();
167
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1384 if (stmt != null) {
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1385 if (timeout > 0 && original_timeout != timeout) {
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1386 // we need to change the requested timeout for this test query
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1387 stmt.setQueryTimeout(timeout);
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1388 }
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1389 rs = stmt.executeQuery("SELECT 1");
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1390 if (rs != null && rs.next()) {
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1391 isValid = true;
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1392 }
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1393 }
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1394 } catch (SQLException se) {
408
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1395 final String msg = se.getMessage();
175
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1396 // System.out.println(se.getSQLState() + " Con.isValid(): " + msg);
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1397 if (msg != null && msg.equalsIgnoreCase("Current transaction is aborted (please ROLLBACK)")) {
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1398 // Must use equalsIgnoreCase() here because up to Jul2017 release 'Current' was 'current' so with lowercase c.
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1399 // It changed to 'Current' after Jul2017 release. We need to support all server versions.
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1400 // SQLState = 25005
167
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1401 isValid = true;
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1402 }
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1403 /* ignore stmt errors/exceptions, we are only testing if the connection is still alive and usable */
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1404 } finally {
408
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1405 closeResultsetStatement(rs, stmt);
345
45155894aece Remove catch code from finally part where original timeout is reset on server.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 343
diff changeset
1406 /* when changed, reset the original server timeout value on the server */
45155894aece Remove catch code from finally part where original timeout is reset on server.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 343
diff changeset
1407 if (timeout > 0 && original_timeout != this.lastSetQueryTimeout) {
45155894aece Remove catch code from finally part where original timeout is reset on server.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 343
diff changeset
1408 this.lastSetQueryTimeout = original_timeout;
343
48ee2ca98975 Added test and fix for bug 6782, ie set the connection's query timeout explicitly at the end of isValid method.
Pedro Ferreira <pedro.ferreira@monetdbsolutions.com>
parents: 336
diff changeset
1409 try {
414
1e278695fe54 Small improvements: adding some final keywords, removing unnecesary initialisations, improve comments.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 408
diff changeset
1410 /* we have to set in the server explicitly, because the test 'queryTimeout != connection.lastSetQueryTimeout'
345
45155894aece Remove catch code from finally part where original timeout is reset on server.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 343
diff changeset
1411 on MonetStatement.internalExecute(sql) won't pass and the server won't be set back */
408
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1412 setQueryTimeout(original_timeout);
343
48ee2ca98975 Added test and fix for bug 6782, ie set the connection's query timeout explicitly at the end of isValid method.
Pedro Ferreira <pedro.ferreira@monetdbsolutions.com>
parents: 336
diff changeset
1413 } catch (SQLException se) {
345
45155894aece Remove catch code from finally part where original timeout is reset on server.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 343
diff changeset
1414 /* ignore stmt errors/exceptions, we are only testing if the connection is still alive and usable */
343
48ee2ca98975 Added test and fix for bug 6782, ie set the connection's query timeout explicitly at the end of isValid method.
Pedro Ferreira <pedro.ferreira@monetdbsolutions.com>
parents: 336
diff changeset
1415 }
48ee2ca98975 Added test and fix for bug 6782, ie set the connection's query timeout explicitly at the end of isValid method.
Pedro Ferreira <pedro.ferreira@monetdbsolutions.com>
parents: 336
diff changeset
1416 }
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1417 }
167
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1418 return isValid;
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1419 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1420
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1421 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1422 * Returns the value of the client info property specified by name.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1423 * This method may return null if the specified client info property
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1424 * has not been set and does not have a default value.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1425 * This method will also return null if the specified client info
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1426 * property name is not supported by the driver.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1427 * Applications may use the DatabaseMetaData.getClientInfoProperties method
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1428 * to determine the client info properties supported by the driver.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1429 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1430 * @param name - The name of the client info property to retrieve
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1431 * @return The value of the client info property specified or null
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1432 * @throws SQLException - if the database server returns an error
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1433 * when fetching the client info value from the database
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1434 * or this method is called on a closed connection
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1435 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1436 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1437 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1438 public String getClientInfo(final String name) throws SQLException {
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1439 if (name == null || name.isEmpty())
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1440 return null;
348
bcb9a99d399d Add private checkNotClosed() method to check if the connection is not closed.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 345
diff changeset
1441 checkNotClosed();
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1442 return conn_props.getProperty(name);
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1443 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1444
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1445 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1446 * Returns a list containing the name and current value of each client info
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1447 * property supported by the driver. The value of a client info property may
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1448 * be null if the property has not been set and does not have a default value.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1449 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1450 * @return A Properties object that contains the name and current value
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1451 * of each of the client info properties supported by the driver.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1452 * @throws SQLException - if the database server returns an error
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1453 * when fetching the client info value from the database
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1454 * or this method is called on a closed connection
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1455 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1456 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1457 @Override
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1458 public Properties getClientInfo() throws SQLException {
348
bcb9a99d399d Add private checkNotClosed() method to check if the connection is not closed.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 345
diff changeset
1459 checkNotClosed();
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1460 // return a clone of the connection properties object
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1461 return new Properties(conn_props);
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1462 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1463
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1464 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1465 * Sets the value of the client info property specified by name to the value specified by value.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1466 * Applications may use the DatabaseMetaData.getClientInfoProperties method to determine
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1467 * the client info properties supported by the driver and the maximum length that may be specified
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1468 * for each property.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1469 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1470 * The driver stores the value specified in a suitable location in the database. For example
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1471 * in a special register, session parameter, or system table column. For efficiency the driver
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1472 * may defer setting the value in the database until the next time a statement is executed
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1473 * or prepared. Other than storing the client information in the appropriate place in the
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1474 * database, these methods shall not alter the behavior of the connection in anyway.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1475 * The values supplied to these methods are used for accounting, diagnostics and debugging purposes only.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1476 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1477 * The driver shall generate a warning if the client info name specified is not recognized by the driver.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1478 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1479 * If the value specified to this method is greater than the maximum length for the property
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1480 * the driver may either truncate the value and generate a warning or generate a SQLClientInfoException.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1481 * If the driver generates a SQLClientInfoException, the value specified was not set on the connection.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1482 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1483 * The following are standard client info properties. Drivers are not required to support these
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1484 * properties however if the driver supports a client info property that can be described by one
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1485 * of the standard properties, the standard property name should be used.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1486 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1487 * ApplicationName - The name of the application currently utilizing the connection
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1488 * ClientUser - The name of the user that the application using the connection is performing work for.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1489 * This may not be the same as the user name that was used in establishing the connection.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1490 * ClientHostname - The hostname of the computer the application using the connection is running on.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1491 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1492 * @param name - The name of the client info property to set
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1493 * @param value - The value to set the client info property to. If the
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1494 * value is null, the current value of the specified property is cleared.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1495 * @throws SQLClientInfoException - if the database server returns an error
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1496 * while setting the clientInfo values on the database server
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1497 * or this method is called on a closed connection
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1498 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1499 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1500 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1501 public void setClientInfo(final String name, final String value) throws SQLClientInfoException {
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1502 if (name == null || name.isEmpty()) {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1503 addWarning("setClientInfo: missing property name", "01M07");
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1504 return;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1505 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1506 // If the value is null, the current value of the specified property is cleared.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1507 if (value == null) {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1508 if (conn_props.containsKey(name))
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1509 conn_props.remove(name);
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1510 return;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1511 }
429
e4e104f8146c Add fetchsize to the list of valid client props
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 428
diff changeset
1512 // only set value for supported property names, warn about the others
441
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1513 if (checkValidProperty(name, "setClientInfo")) {
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1514 conn_props.setProperty(name, value);
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1515 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1516 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1517
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1518 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1519 * Sets the value of the connection's client info properties.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1520 * The Properties object contains the names and values of the client info
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1521 * properties to be set. The set of client info properties contained in the
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1522 * properties list replaces the current set of client info properties on the connection.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1523 * If a property that is currently set on the connection is not present in the
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1524 * properties list, that property is cleared. Specifying an empty properties list
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1525 * will clear all of the properties on the connection.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1526 * See setClientInfo (String, String) for more information.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1527 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1528 * If an error occurs in setting any of the client info properties, a
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1529 * SQLClientInfoException is thrown. The SQLClientInfoException contains information
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1530 * indicating which client info properties were not set. The state of the client
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1531 * information is unknown because some databases do not allow multiple client info
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1532 * properties to be set atomically. For those databases, one or more properties may
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1533 * have been set before the error occurred.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1534 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1535 * @param props - The list of client info properties to set
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1536 * @throws SQLClientInfoException - if the database server returns an error
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1537 * while setting the clientInfo values on the database server
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1538 * or this method is called on a closed connection
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1539 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1540 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1541 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1542 public void setClientInfo(final Properties props) throws SQLClientInfoException {
47
562dbfb2fee8 Prevent null pointer exception by checking props argument
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 45
diff changeset
1543 if (props != null) {
562dbfb2fee8 Prevent null pointer exception by checking props argument
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 45
diff changeset
1544 for (Entry<Object, Object> entry : props.entrySet()) {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1545 setClientInfo(entry.getKey().toString(), entry.getValue().toString());
47
562dbfb2fee8 Prevent null pointer exception by checking props argument
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 45
diff changeset
1546 }
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1547 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1548 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1549
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1550 //== Java 1.7 methods (JDBC 4.1)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1551
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1552 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1553 * Sets the given schema name to access.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1554 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1555 * @param schema the name of a schema in which to work
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1556 * @throws SQLException if a database access error occurs or this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1557 * method is called on a closed connection
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1558 * @since 1.7
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1559 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1560 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1561 public void setSchema(final String schema) throws SQLException {
348
bcb9a99d399d Add private checkNotClosed() method to check if the connection is not closed.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 345
diff changeset
1562 checkNotClosed();
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
1563 if (schema == null || schema.isEmpty())
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1564 throw new SQLException("Missing schema name", "M1M05");
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1565
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
1566 Statement st = null;
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1567 try {
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
1568 st = createStatement();
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
1569 if (st != null)
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
1570 st.execute("SET SCHEMA \"" + schema + "\"");
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
1571 // do not catch any Exception, just let it propagate
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1572 } finally {
300
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
1573 closeResultsetStatement(null, st);
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1574 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1575 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1576
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1577 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1578 * Retrieves this Connection object's current schema name.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1579 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1580 * @return the current schema name or null if there is none
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1581 * @throws SQLException if a database access error occurs or this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1582 * method is called on a closed connection
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1583 * @since 1.7
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1584 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1585 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1586 public String getSchema() throws SQLException {
348
bcb9a99d399d Add private checkNotClosed() method to check if the connection is not closed.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 345
diff changeset
1587 checkNotClosed();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1588
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
1589 String cur_schema = null;
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
1590 Statement st = null;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1591 ResultSet rs = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1592 try {
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
1593 st = createStatement();
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
1594 if (st != null) {
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
1595 rs = st.executeQuery("SELECT CURRENT_SCHEMA");
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
1596 if (rs != null) {
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
1597 if (rs.next())
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
1598 cur_schema = rs.getString(1);
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
1599 }
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
1600 }
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
1601 // do not catch any Exception, just let it propagate
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1602 } finally {
300
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
1603 closeResultsetStatement(rs, st);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1604 }
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
1605 if (cur_schema == null)
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
1606 throw new SQLException("Failed to fetch schema name", "02000");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1607 return cur_schema;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1608 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1609
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1610 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1611 * Terminates an open connection. Calling abort results in:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1612 * * The connection marked as closed
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1613 * * Closes any physical connection to the database
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1614 * * Releases resources used by the connection
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1615 * * Insures that any thread that is currently accessing the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1616 * connection will either progress to completion or throw an
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1617 * SQLException.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1618 * Calling abort marks the connection closed and releases any
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1619 * resources. Calling abort on a closed connection is a no-op.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1620 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1621 * @param executor The Executor implementation which will be used by
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1622 * abort
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1623 * @throws SQLException if a database access error occurs or the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1624 * executor is null
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1625 * @throws SecurityException if a security manager exists and
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1626 * its checkPermission method denies calling abort
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1627 * @since 1.7
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1628 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1629 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1630 public void abort(final Executor executor) throws SQLException {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1631 if (closed)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1632 return;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1633 if (executor == null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1634 throw new SQLException("executor is null", "M1M05");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1635 // this is really the simplest thing to do, it destroys
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1636 // everything (in particular the server connection)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1637 close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1638 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1639
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1640 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1641 * Sets the maximum period a Connection or objects created from the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1642 * Connection will wait for the database to reply to any one
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1643 * request. If any request remains unanswered, the waiting method
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1644 * will return with a SQLException, and the Connection or objects
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1645 * created from the Connection will be marked as closed. Any
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1646 * subsequent use of the objects, with the exception of the close,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1647 * isClosed or Connection.isValid methods, will result in a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1648 * SQLException.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1649 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1650 * @param executor The Executor implementation which will be used by
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1651 * setNetworkTimeout
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1652 * @param millis The time in milliseconds to wait for the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1653 * database operation to complete
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1654 * @throws SQLException if a database access error occurs, this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1655 * method is called on a closed connection, the executor is
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1656 * null, or the value specified for seconds is less than 0.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1657 * @since 1.7
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1658 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1659 @Override
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
1660 public void setNetworkTimeout(final Executor executor, final int millis) throws SQLException {
348
bcb9a99d399d Add private checkNotClosed() method to check if the connection is not closed.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 345
diff changeset
1661 checkNotClosed();
bcb9a99d399d Add private checkNotClosed() method to check if the connection is not closed.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 345
diff changeset
1662 // executor object is not used yet, so no need to test it.
bcb9a99d399d Add private checkNotClosed() method to check if the connection is not closed.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 345
diff changeset
1663 // if (executor == null)
bcb9a99d399d Add private checkNotClosed() method to check if the connection is not closed.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 345
diff changeset
1664 // throw new SQLException("executor is null", "M1M05");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1665 if (millis < 0)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1666 throw new SQLException("milliseconds is less than zero", "M1M05");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1667
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1668 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1669 server.setSoTimeout(millis);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1670 } catch (SocketException e) {
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
1671 throw new SQLNonTransientConnectionException(e.getMessage(), "08000");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1672 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1673 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1674
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1675 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1676 * Retrieves the number of milliseconds the driver will wait for a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1677 * database request to complete. If the limit is exceeded, a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1678 * SQLException is thrown.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1679 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1680 * @return the current timeout limit in milliseconds; zero means
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1681 * there is no limit
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1682 * @throws SQLException if a database access error occurs or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1683 * this method is called on a closed Connection
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1684 * @since 1.7
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1685 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1686 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1687 public int getNetworkTimeout() throws SQLException {
348
bcb9a99d399d Add private checkNotClosed() method to check if the connection is not closed.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 345
diff changeset
1688 checkNotClosed();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1689 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1690 return server.getSoTimeout();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1691 } catch (SocketException e) {
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
1692 throw new SQLNonTransientConnectionException(e.getMessage(), "08000");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1693 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1694 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1695
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1696 //== end methods of interface java.sql.Connection
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1697
562
c640075da7c9 only comment improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 559
diff changeset
1698
c640075da7c9 only comment improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 559
diff changeset
1699 //== internal helper methods which do not belong to the JDBC interface
c640075da7c9 only comment improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 559
diff changeset
1700
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
1701 /** Handler for COPY ... INTO ... FROM 'data-file-name' ON CLIENT requests */
563
fa2493d924c8 Small updates
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 562
diff changeset
1702 private UploadHandler uploadHandler;
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
1703 /** Handler for COPY ... INTO 'data-file-name' ON CLIENT requests */
563
fa2493d924c8 Small updates
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 562
diff changeset
1704 private DownloadHandler downloadHandler;
fa2493d924c8 Small updates
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 562
diff changeset
1705
539
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1706 /**
563
fa2493d924c8 Small updates
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 562
diff changeset
1707 * Registers a {@link UploadHandler} to support for example COPY INTO mytable FROM 'data.csv' ON CLIENT
539
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1708 *
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1709 * @param uploadHandler the handler to register, or null to deregister
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1710 */
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
1711 public void setUploadHandler(final UploadHandler uploadHandler) {
539
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1712 this.uploadHandler = uploadHandler;
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1713 }
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1714
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1715 /**
626
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
1716 * @return the currently registerered {@link UploadHandler}, or null
539
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1717 */
541
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
1718 public UploadHandler getUploadHandler() {
539
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1719 return uploadHandler;
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1720 }
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
1721
539
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1722 /**
563
fa2493d924c8 Small updates
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 562
diff changeset
1723 * Registers a {@link DownloadHandler} to support for example COPY select_result INTO 'data.csv' ON CLIENT
539
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1724 *
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1725 * @param downloadHandler the handler to register, or null to deregister
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1726 */
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
1727 public void setDownloadHandler(final DownloadHandler downloadHandler) {
539
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1728 this.downloadHandler = downloadHandler;
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1729 }
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1730
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1731 /**
626
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
1732 * @return the currently registerered {@link DownloadHandler} handler, or null
539
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1733 */
541
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
1734 public DownloadHandler getDownloadHandler() {
539
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1735 return downloadHandler;
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1736 }
5d524783f7b0 Move {get/set}{Down/Up}loadHander further down the file
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 535
diff changeset
1737
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1738 /**
408
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1739 * Local helper method to test whether the Connection object is closed
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1740 * When closed it throws an SQLException
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1741 */
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1742 private void checkNotClosed() throws SQLException {
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1743 if (closed)
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1744 throw new SQLException("Connection is closed", "M1M20");
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1745 }
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1746
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1747 /**
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1748 * Utility method to call sys.setquerytimeout(int); procedure on the connected server.
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1749 * It is called from: MonetConnection.isValid() and MonetStatement.internalExecute()
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1750 */
650
849f99124e32 Correcting implementation of Statement.setQueryTimeout(int seconds).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 626
diff changeset
1751 void setQueryTimeout(final int seconds) throws SQLException {
849f99124e32 Correcting implementation of Statement.setQueryTimeout(int seconds).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 626
diff changeset
1752 if (seconds < 0)
849f99124e32 Correcting implementation of Statement.setQueryTimeout(int seconds).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 626
diff changeset
1753 throw new SQLException("query timeout seconds is less than zero", "M1M05");
408
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1754
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1755 checkNotClosed();
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1756 Statement st = null;
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1757 try {
480
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
1758 final String callstmt;
650
849f99124e32 Correcting implementation of Statement.setQueryTimeout(int seconds).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 626
diff changeset
1759 final int msecs = (seconds <= 2147483) ? seconds * 1000 : seconds; // prevent overflow of int
849f99124e32 Correcting implementation of Statement.setQueryTimeout(int seconds).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 626
diff changeset
1760
849f99124e32 Correcting implementation of Statement.setQueryTimeout(int seconds).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 626
diff changeset
1761 // as of release Jun2020 (11.37.7) the function sys.settimeout(msecs bigint) is deprecated and replaced by new sys.setquerytimeout(msecs int)
480
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
1762 if ((getDatabaseMajorVersion() == 11) && (getDatabaseMinorVersion() < 37))
650
849f99124e32 Correcting implementation of Statement.setQueryTimeout(int seconds).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 626
diff changeset
1763 callstmt = "CALL sys.\"settimeout\"(" + msecs + ")";
480
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
1764 else
650
849f99124e32 Correcting implementation of Statement.setQueryTimeout(int seconds).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 626
diff changeset
1765 callstmt = "CALL sys.\"setquerytimeout\"(" + msecs + ")";
408
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1766 // for debug: System.out.println("Before: " + callstmt);
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1767 st = createStatement();
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1768 st.execute(callstmt);
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1769 // for debug: System.out.println("After : " + callstmt);
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1770
650
849f99124e32 Correcting implementation of Statement.setQueryTimeout(int seconds).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 626
diff changeset
1771 this.lastSetQueryTimeout = seconds;
408
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1772 }
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1773 /* do not catch SQLException here, as we want to know it when it fails */
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1774 finally {
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1775 closeResultsetStatement(null, st);
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1776 }
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1777 }
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1778
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1779 /**
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1780 * @return whether the JDBC BLOB type should be mapped to VARBINARY type.
175
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1781 * This allows generic JDBC programs to fetch Blob data via getBytes()
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1782 * instead of getBlob() and Blob.getBinaryStream() to reduce overhead.
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1783 * It is called from: MonetResultSet and MonetPreparedStatement
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1784 */
199
e87d89d371f1 Make some public non-JDBC methods accessable only to classes of the same package.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 194
diff changeset
1785 boolean mapBlobAsVarBinary() {
175
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1786 return treatBlobAsVarBinary;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1787 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1788
175
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1789 /**
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1790 * @return whether the JDBC CLOB type should be mapped to VARCHAR type.
175
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1791 * This allows generic JDBC programs to fetch Clob data via getString()
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1792 * instead of getClob() and Clob.getCharacterStream() to reduce overhead.
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1793 * It is called from: MonetResultSet and MonetPreparedStatement
175
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1794 */
199
e87d89d371f1 Make some public non-JDBC methods accessable only to classes of the same package.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 194
diff changeset
1795 boolean mapClobAsVarChar() {
175
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1796 return treatClobAsVarChar;
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1797 }
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
1798
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
1799 /**
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1800 * @return the MonetDB JDBC Connection URL (without user name and password).
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1801 * It is called from: getURL()in MonetDatabaseMetaData
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1802 */
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1803 String getJDBCURL() {
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1804 final StringBuilder sb = new StringBuilder(128);
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1805 sb.append(MonetDriver.MONETURL).append(hostname)
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1806 .append(':').append(port)
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1807 .append('/').append(database);
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1808 if (lang == LANG_MAL)
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1809 sb.append("?language=mal");
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1810 return sb.toString();
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1811 }
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1812
441
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1813 private boolean checkValidProperty(String name, String context) {
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1814 if (isValidProperty(name))
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1815 return true;
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1816 addWarning(context + ": '" + name + "' is not a recognised property", "01M07");
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1817 return false;
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1818 }
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1819
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1820 // supported MonetDB connection properties.
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1821 // See also MonetDatabaseMetaData.getClientInfoProperties()
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1822 private boolean isValidProperty(String name) {
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1823 return name.equals("host") ||
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1824 name.equals("port") ||
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1825 name.equals("user") ||
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1826 name.equals("password") ||
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1827 name.equals("language") ||
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1828 name.equals("database") ||
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1829 name.equals("debug") ||
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1830 name.equals("logfile") ||
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1831 name.equals("hash") ||
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1832 name.equals("treat_blob_as_binary") ||
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1833 name.equals("treat_clob_as_varchar") ||
658
108123ca6889 Add autocommit=true/false option to jdbc url
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 657
diff changeset
1834 name.equals("autocommit") ||
441
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1835 name.equals("so_timeout") ||
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1836 name.equals("fetchsize"); // only supported by servers from version 11.41.1 onwards
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1837 }
84f6d86ed590 Optimise composing the "SET TIME ZONE ..." string by using a StringBuilder. Less String copying.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 434
diff changeset
1838
370
2ab474af487c Add utility method to replace calls to x.replaceAll().replaceAll() in several places.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
1839
407
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1840 // Internal caches for 3 static mserver environment values, so they aren't queried from mserver again and again
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1841 private String env_current_user;
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1842 private String env_monet_version;
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1843 private int maxConnections;
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1844
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1845 /**
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1846 * Utility method to fetch 3 mserver environment values combined in one query for efficiency.
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1847 * We currently fetch the env values of: current_user, monet_version and max_clients.
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1848 * We cache them such that we do not need to query the server again and again.
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1849 */
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1850 private synchronized void getEnvValues() throws SQLException {
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1851 Statement st = null;
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1852 ResultSet rs = null;
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1853 try {
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1854 st = createStatement();
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1855 if (st != null) {
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1856 rs = st.executeQuery(
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1857 "SELECT \"name\", \"value\" FROM \"sys\".\"env\"()" +
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1858 " WHERE \"name\" IN ('monet_version', 'max_clients')" +
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1859 " UNION SELECT 'current_user' as \"name\", current_user as \"value\"");
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1860 if (rs != null) {
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1861 while (rs.next()) {
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1862 final String prop = rs.getString(1);
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1863 final String value = rs.getString(2);
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1864 if ("current_user".equals(prop)) {
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1865 env_current_user = value;
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1866 } else
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1867 if ("monet_version".equals(prop)) {
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1868 env_monet_version = value;
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1869 } else
407
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1870 if ("max_clients".equals(prop) && value != null) {
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1871 try {
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1872 maxConnections = Integer.parseInt(value);
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1873 } catch (NumberFormatException nfe) {
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1874 /* ignore */
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1875 }
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1876 if (maxConnections <= 0)
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1877 maxConnections = 1;
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1878 }
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1879 }
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1880 }
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1881 }
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1882 /* do not catch SQLException here, as we need to know it when it fails */
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1883 } finally {
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1884 closeResultsetStatement(rs, st);
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1885 }
407
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1886 // for debug: System.out.println("Read: env_current_user: " + env_current_user + " env_monet_version: " + env_monet_version + " env_max_clients: " + maxConnections);
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1887 }
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1888
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1889 /**
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1890 * @return the current User Name.
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1891 * It is called from: MonetDatabaseMetaData
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1892 */
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1893 String getUserName() throws SQLException {
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1894 if (env_current_user == null)
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1895 getEnvValues();
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1896 return env_current_user;
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1897 }
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1898
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1899 /**
408
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1900 * @return the maximum number of active connections possible at one time;
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1901 * a result of zero means that there is no limit or the limit is not known
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1902 * It is called from: MonetDatabaseMetaData
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1903 */
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1904 int getMaxConnections() throws SQLException {
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1905 if (maxConnections == 0)
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1906 getEnvValues();
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1907 return maxConnections;
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1908 }
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1909
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1910 /**
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1911 * @return the MonetDB Database Server version string.
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1912 * It is called from: MonetDatabaseMetaData
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1913 */
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1914 String getDatabaseProductVersion() throws SQLException {
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1915 if (env_monet_version == null)
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1916 getEnvValues();
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1917 // always return a valid String to prevent NPE in getTables() and getTableTypes()
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1918 if (env_monet_version != null)
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1919 return env_monet_version;
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1920 return "";
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1921 }
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1922
408
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1923 private int databaseMajorVersion;
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1924 /**
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1925 * @return the MonetDB Database Server major version number.
408
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1926 * The number is extracted from the env_monet_version the first time and cached for next calls.
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1927 * It is called from: MonetDatabaseMetaData and MonetConnection
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1928 */
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1929 int getDatabaseMajorVersion() throws SQLException {
407
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1930 if (databaseMajorVersion == 0) {
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1931 if (env_monet_version == null)
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1932 getEnvValues();
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1933 if (env_monet_version != null) {
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1934 try {
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1935 // from version string such as 11.33.9 extract number: 11
480
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
1936 final int end = env_monet_version.indexOf('.');
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
1937 databaseMajorVersion = Integer.parseInt((end >= 0) ? env_monet_version.substring(0, end) : env_monet_version);
407
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1938 } catch (NumberFormatException nfe) {
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1939 // ignore
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1940 }
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1941 }
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1942 }
407
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1943 return databaseMajorVersion;
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1944 }
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1945
408
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1946 private int databaseMinorVersion;
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1947 /**
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1948 * @return the MonetDB Database Server minor version number.
408
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1949 * The number is extracted from the env_monet_version the first time and cached for next calls.
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
1950 * It is called from: MonetDatabaseMetaData and MonetConnection
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1951 */
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1952 int getDatabaseMinorVersion() throws SQLException {
407
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1953 if (databaseMinorVersion == 0) {
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1954 if (env_monet_version == null)
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1955 getEnvValues();
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1956 if (env_monet_version != null) {
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1957 try {
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1958 // from version string such as 11.33.9 extract number: 33
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1959 int start = env_monet_version.indexOf('.');
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1960 if (start >= 0) {
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1961 start++;
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1962 final int end = env_monet_version.indexOf('.', start);
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1963 databaseMinorVersion = Integer.parseInt((end > 0) ? env_monet_version.substring(start, end) : env_monet_version.substring(start));
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1964 }
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1965 } catch (NumberFormatException nfe) {
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1966 // ignore
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1967 }
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1968 }
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1969 }
407
40a1db14dca5 Optimise code, reduce duplicate code, cache major and minor version nrs of connected database server and max nr of clients so conversion of strings to ints is only done once.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 406
diff changeset
1970 return databaseMinorVersion;
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1971 }
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1972
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1973
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1974 // Internal cache for determining if system table sys.privilege_codes (new as of Jul2017 release) exists on connected server
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1975 private boolean queriedPrivilege_codesTable = false;
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1976 private boolean hasPrivilege_codesTable = false;
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1977 /**
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1978 * Utility method to query the server to find out if it has
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1979 * the system table sys.privilege_codes (which is new as of Jul2017 release).
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1980 * The result is cached and reused, so that we only test the query once per connection.
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1981 * This method is used by methods from MonetDatabaseMetaData.
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1982 */
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1983 boolean privilege_codesTableExists() {
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1984 if (!queriedPrivilege_codesTable) {
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1985 hasPrivilege_codesTable = existsSysTable("privilege_codes");
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1986 queriedPrivilege_codesTable = true; // set flag, so the querying is done only at first invocation.
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1987 }
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1988 return hasPrivilege_codesTable;
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1989 }
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1990
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1991 // Internal cache for determining if system table sys.comments (new as of Mar2018 release) exists on connected server
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1992 private boolean queriedCommentsTable = false;
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1993 private boolean hasCommentsTable = false;
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1994 /**
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
1995 * Utility method to query the server to find out if it has
215
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1996 * the system table sys.comments (which is new as of Mar2018 release).
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1997 * The result is cached and reused, so that we only test the query once per connection.
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1998 * This method is used by methods from MonetDatabaseMetaData.
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1999 */
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
2000 boolean commentsTableExists() {
219
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2001 if (!queriedCommentsTable) {
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2002 hasCommentsTable = existsSysTable("comments");
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2003 queriedCommentsTable = true; // set flag, so the querying is done only at first invocation.
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2004 }
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2005 return hasCommentsTable;
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2006 }
215
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
2007
219
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2008
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2009 /**
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
2010 * Internal utility method to query the server to find out if it has a specific system table sys.<tablename>.
219
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2011 */
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2012 private boolean existsSysTable(final String tablename) {
219
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2013 boolean exists = false;
215
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
2014 Statement stmt = null;
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
2015 ResultSet rs = null;
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
2016 try {
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
2017 stmt = createStatement();
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
2018 if (stmt != null) {
219
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2019 rs = stmt.executeQuery("SELECT id FROM sys._tables WHERE name = '"
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2020 + tablename
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2021 + "' AND schema_id IN (SELECT id FROM sys.schemas WHERE name = 'sys')");
215
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
2022 if (rs != null) {
219
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2023 exists = rs.next(); // if a row is available it exists, else not
215
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
2024 }
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
2025 }
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
2026 } catch (SQLException se) {
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
2027 /* ignore */
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
2028 } finally {
300
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
2029 closeResultsetStatement(rs, stmt);
215
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
2030 }
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
2031 // for debug: System.out.println("testTableExists(" + tablename + ") returns: " + exists);
219
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
2032 return exists;
215
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
2033 }
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
2034
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
2035 /**
300
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
2036 * Closes a ResultSet and/or Statement object without throwing any SQLExceptions
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
2037 * It can be used in the finally clause after creating a Statement and
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
2038 * (optionally) executed a query which produced a ResultSet.
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
2039 *
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
2040 * @param rs ResultSet object to be closed. It may be null
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
2041 * @param st Statement object to be closed. It may be null
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
2042 */
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
2043 static final void closeResultsetStatement(final ResultSet rs, final Statement st) {
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
2044 if (rs != null) {
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
2045 try {
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
2046 rs.close();
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
2047 } catch (SQLException e) { /* ignore */ }
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
2048 }
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
2049 if (st != null) {
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
2050 try {
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
2051 st.close();
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
2052 } catch (SQLException e) { /* ignore */ }
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
2053 }
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
2054 }
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
2055
8cc3b51d1984 Add a utility method to close objects ignoring any possible SQLExceptions thrown.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 296
diff changeset
2056 /**
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
2057 * Sends the given string to MonetDB as special transaction command.
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
2058 * All possible returned information is discarded.
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
2059 * Encountered errors are reported.
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
2060 *
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
2061 * @param command the exact string to send to MonetDB
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
2062 * @throws SQLException if an IO exception or a database error occurs
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
2063 */
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2064 private void sendTransactionCommand(final String command) throws SQLException {
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
2065 // create a container for the result
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2066 final ResponseList l = new ResponseList(0, 0, ResultSet.FETCH_FORWARD, ResultSet.CONCUR_READ_ONLY);
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
2067 // send the appropriate query string to the database
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
2068 try {
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
2069 l.processQuery(command);
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
2070 } finally {
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
2071 l.close();
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
2072 }
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
2073 }
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
2074
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2075 /**
278
1d6062d94377 Reduce duplicate code.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 271
diff changeset
2076 * Sends the given string to MonetDB as regular SQL statement/query using queryTempl
1d6062d94377 Reduce duplicate code.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 271
diff changeset
2077 * Making sure there is a prompt after the command is sent. All possible
1d6062d94377 Reduce duplicate code.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 271
diff changeset
2078 * returned information is discarded. Encountered errors are reported.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2079 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2080 * @param command the exact string to send to MonetDB
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2081 * @throws SQLException if an IO exception or a database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2082 */
278
1d6062d94377 Reduce duplicate code.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 271
diff changeset
2083 private void sendIndependentCommand(String command) throws SQLException {
1d6062d94377 Reduce duplicate code.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 271
diff changeset
2084 sendCommand(command, true);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2085 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2086
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2087 /**
278
1d6062d94377 Reduce duplicate code.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 271
diff changeset
2088 * Sends the given string to MonetDB as control statement using commandTempl
1d6062d94377 Reduce duplicate code.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 271
diff changeset
2089 * Making sure there is a prompt after the command is sent. All possible
1d6062d94377 Reduce duplicate code.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 271
diff changeset
2090 * returned information is discarded. Encountered errors are reported.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2091 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2092 * @param command the exact string to send to MonetDB
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2093 * @throws SQLException if an IO exception or a database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2094 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2095 void sendControlCommand(String command) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2096 // send X command
278
1d6062d94377 Reduce duplicate code.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 271
diff changeset
2097 sendCommand(command, false);
1d6062d94377 Reduce duplicate code.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 271
diff changeset
2098 }
1d6062d94377 Reduce duplicate code.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 271
diff changeset
2099
1d6062d94377 Reduce duplicate code.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 271
diff changeset
2100 /**
1d6062d94377 Reduce duplicate code.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 271
diff changeset
2101 * Sends the given string to MonetDB as command/query using commandTempl or queryTempl
1d6062d94377 Reduce duplicate code.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 271
diff changeset
2102 * Making sure there is a prompt after the command is sent. All possible
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
2103 * returned information is discarded. Encountered errors are reported.
278
1d6062d94377 Reduce duplicate code.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 271
diff changeset
2104 *
1d6062d94377 Reduce duplicate code.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 271
diff changeset
2105 * @param command the exact string to send to MonetDB
332
e8962bdaa206 Moved utility methods and associated caches from DatabaseMetaData to Connection object.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 324
diff changeset
2106 * @param usequeryTempl send the command using queryTempl or else using commandTempl
278
1d6062d94377 Reduce duplicate code.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 271
diff changeset
2107 * @throws SQLException if an IO exception or a database error occurs
1d6062d94377 Reduce duplicate code.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 271
diff changeset
2108 */
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2109 private void sendCommand(final String command, final boolean usequeryTempl) throws SQLException {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2110 synchronized (server) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2111 try {
480
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
2112 if (usequeryTempl)
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
2113 out.writeLine(queryTempl[0] + command + queryTempl[1]);
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
2114 else
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
2115 out.writeLine(commandTempl[0] + command + commandTempl[1]);
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2116 final String error = in.waitForPrompt();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2117 if (error != null)
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
2118 throw new SQLException(error.substring(6), error.substring(0, 5));
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2119 } catch (SocketTimeoutException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2120 close(); // JDBC 4.1 semantics, abort()
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
2121 throw new SQLNonTransientConnectionException("connection timed out", "08M33");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2122 } catch (IOException e) {
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
2123 throw new SQLNonTransientConnectionException(e.getMessage(), "08000");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2124 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2125 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2126 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2127
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2128 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2129 * Adds a warning to the pile of warnings this Connection object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2130 * has. If there were no warnings (or clearWarnings was called)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2131 * this warning will be the first, otherwise this warning will get
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2132 * appended to the current warning.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2133 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2134 * @param reason the warning message
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2135 */
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2136 private final void addWarning(final String reason, final String sqlstate) {
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2137 final SQLWarning warng = new SQLWarning(reason, sqlstate);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2138 if (warnings == null) {
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
2139 warnings = warng;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2140 } else {
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
2141 warnings.setNextWarning(warng);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2142 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2143 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2144
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2145 /** the default number of rows that are (attempted to) read at once */
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
2146 private static final int DEF_FETCHSIZE = 250;
423
de2ef68b672f Allow to set fetchsize from the connection url
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 422
diff changeset
2147
de2ef68b672f Allow to set fetchsize from the connection url
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 422
diff changeset
2148 /** the default number of rows to read at once from this connection */
de2ef68b672f Allow to set fetchsize from the connection url
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 422
diff changeset
2149 private int defaultFetchSize = DEF_FETCHSIZE;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2150 /** The sequence counter */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2151 private static int seqCounter = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2152
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2153 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2154 * A Response is a message sent by the server to indicate some
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2155 * action has taken place, and possible results of that action.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2156 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2157 // {{{ interface Response
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2158 interface Response {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2159 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2160 * Adds a line to the underlying Response implementation.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2161 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2162 * @param line the header line as String
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2163 * @param linetype the line type according to the MAPI protocol
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2164 * @return a non-null String if the line is invalid,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2165 * or additional lines are not allowed.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2166 */
556
87feb93330a6 Misc. changes suggested by analysis tool
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 554
diff changeset
2167 String addLine(String line, LineType linetype);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2168
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2169 /**
288
f412032e3b43 Correcting typo
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 286
diff changeset
2170 * Returns whether this Response expects more lines to be added
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2171 * to it.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2172 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2173 * @return true if a next line should be added, false otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2174 */
556
87feb93330a6 Misc. changes suggested by analysis tool
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 554
diff changeset
2175 boolean wantsMore();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2176
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2177 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2178 * Indicates that no more header lines will be added to this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2179 * Response implementation.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2180 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2181 * @throws SQLException if the contents of the Response is not
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2182 * consistent or sufficient.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2183 */
324
0b01771d5f8a Method Response.complete() is never used or needed. Disabled the code from the interface and its implementations.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2184 /* MvD: disabled not used/needed code
562
c640075da7c9 only comment improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 559
diff changeset
2185 void complete() throws SQLException;
324
0b01771d5f8a Method Response.complete() is never used or needed. Disabled the code from the interface and its implementations.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2186 */
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2187
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2188 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2189 * Instructs the Response implementation to close and do the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2190 * necessary clean up procedures.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2191 */
556
87feb93330a6 Misc. changes suggested by analysis tool
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 554
diff changeset
2192 void close();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2193 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2194 // }}}
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2195
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2196 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2197 * The ResultSetResponse represents a tabular result sent by the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2198 * server. This is typically an SQL table. The MAPI headers of the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2199 * Response look like:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2200 * <pre>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2201 * &amp;1 1 28 2 10
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2202 * # name, value # name
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2203 * # varchar, varchar # type
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2204 * </pre>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2205 * there the first line consists out of<br />
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2206 * <tt>&amp;"qt" "id" "tc" "cc" "rc"</tt>.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2207 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2208 // {{{ ResultSetResponse class implementation
296
c5efd6e661e5 Add "final" keyword to classes, method arguments and local variables where possible.`
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 295
diff changeset
2209 final class ResultSetResponse implements Response {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2210 /** The number of columns in this result */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2211 public final int columncount;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2212 /** The total number of rows this result set has */
377
8a813f5cef1b Extend StartOfHeaderParser with method getNextAsLong() and change type of tuplecount to long.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 376
diff changeset
2213 public final long tuplecount;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2214 /** The numbers of rows to retrieve per DataBlockResponse */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2215 private int cacheSize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2216 /** The table ID of this result */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2217 public final int id;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2218 /** The names of the columns in this result */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2219 private String[] name;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2220 /** The types of the columns in this result */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2221 private String[] type;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2222 /** The max string length for each column in this result */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2223 private int[] columnLengths;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2224 /** The table for each column in this result */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2225 private String[] tableNames;
416
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2226 /** The schema for each column in this result */
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2227 private String[] schemaNames;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2228 /** The query sequence number */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2229 private final int seqnr;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2230 /** A List of result blocks (chunks of size fetchSize/cacheSize) */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2231 private DataBlockResponse[] resultBlocks;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2232
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2233 /** Whether this Response is closed */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2234 private boolean closed;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2235
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2236 /** The Connection that we should use when requesting a new block */
286
d430f8adbf1b Add keyword "final" to those variables which do not change after first assigment.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 285
diff changeset
2237 private final MonetConnection.ResponseList parent;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2238 /** Whether the fetchSize was explitly set by the user */
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2239 private final boolean cacheSizeSetExplicitly;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2240 /** Whether we should send an Xclose command to the server
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2241 * if we close this Response */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2242 private boolean destroyOnClose;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2243 /** the offset to be used on Xexport queries */
408
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
2244 private int blockOffset;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2245
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2246 /** A parser for header lines */
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2247 private final HeaderLineParser hlp;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2248
286
d430f8adbf1b Add keyword "final" to those variables which do not change after first assigment.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 285
diff changeset
2249 /** A boolean array telling whether the headers are set or not */
d430f8adbf1b Add keyword "final" to those variables which do not change after first assigment.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 285
diff changeset
2250 private final boolean[] isSet;
408
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
2251 private static final int NAMES = 0;
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
2252 private static final int TYPES = 1;
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
2253 private static final int TABLES = 2;
5540793628d6 Improve code when setting query timeout. It used to call the sys.settimeout(bigint) which is deprecated as of release Jun2020 (11.37.7) and replaced by new sys.setquerytimeout(int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 407
diff changeset
2254 private static final int LENS = 3;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2255
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2256
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2257 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2258 * Sole constructor, which requires a MonetConnection parent to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2259 * be given.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2260 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2261 * @param id the ID of the result set
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2262 * @param tuplecount the total number of tuples in the result set
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2263 * @param columncount the number of columns in the result set
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2264 * @param rowcount the number of rows in the current block
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2265 * @param parent the parent that created this Response and will
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
2266 * supply new result blocks when necessary
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2267 * @param seq the query sequence number
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2268 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2269 ResultSetResponse(
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2270 final int id,
377
8a813f5cef1b Extend StartOfHeaderParser with method getNextAsLong() and change type of tuplecount to long.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 376
diff changeset
2271 final long tuplecount,
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2272 final int columncount,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2273 final int rowcount,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2274 final MonetConnection.ResponseList parent,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2275 final int seq)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2276 throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2277 {
286
d430f8adbf1b Add keyword "final" to those variables which do not change after first assigment.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 285
diff changeset
2278 isSet = new boolean[4];
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2279 this.parent = parent;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2280 if (parent.cachesize == 0) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2281 /* Below we have to calculate how many "chunks" we need
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2282 * to allocate to store the entire result. However, if
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2283 * the user didn't set a cache size, as in this case, we
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2284 * need to stick to our defaults. */
660
7ec8d469fd0b Adapt the cacheSize to the actual fetch size instead of using the default fetch size.
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 658
diff changeset
2285 cacheSize = defaultFetchSize;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2286 cacheSizeSetExplicitly = false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2287 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2288 cacheSize = parent.cachesize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2289 cacheSizeSetExplicitly = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2290 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2291 /* So far, so good. Now the problem with EXPLAIN, DOT, etc
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2292 * queries is, that they don't support any block fetching,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2293 * so we need to always fetch everything at once. For that
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2294 * reason, the cache size is here set to the rowcount if
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2295 * it's larger, such that we do a full fetch at once.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2296 * (Because we always set a reply_size, we can only get a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2297 * larger rowcount from the server if it doesn't paginate,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2298 * because it's a pseudo SQL result.) */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2299 if (rowcount > cacheSize)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2300 cacheSize = rowcount;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2301 seqnr = seq;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2302 closed = false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2303 destroyOnClose = id > 0 && tuplecount > rowcount;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2304
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2305 this.id = id;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2306 this.tuplecount = tuplecount;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2307 this.columncount = columncount;
377
8a813f5cef1b Extend StartOfHeaderParser with method getNextAsLong() and change type of tuplecount to long.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 376
diff changeset
2308 this.resultBlocks = new DataBlockResponse[(int)(tuplecount / cacheSize) + 1];
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2309
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2310 hlp = new HeaderLineParser(columncount);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2311
286
d430f8adbf1b Add keyword "final" to those variables which do not change after first assigment.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 285
diff changeset
2312 resultBlocks[0] = new DataBlockResponse(rowcount, parent.rstype == ResultSet.TYPE_FORWARD_ONLY);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2313 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2314
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2315 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2316 * Parses the given string and changes the value of the matching
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2317 * header appropriately, or passes it on to the underlying
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2318 * DataResponse.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2319 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2320 * @param tmpLine the string that contains the header
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2321 * @return a non-null String if the header cannot be parsed or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2322 * is unknown
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2323 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2324 // {{{ addLine
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2325 @Override
497
aed7f32e029a Refactor LineType to be an enum
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 496
diff changeset
2326 public String addLine(final String tmpLine, final LineType linetype) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2327 if (isSet[LENS] && isSet[TYPES] && isSet[TABLES] && isSet[NAMES]) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2328 return resultBlocks[0].addLine(tmpLine, linetype);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2329 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2330
497
aed7f32e029a Refactor LineType to be an enum
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 496
diff changeset
2331 if (linetype != LineType.HEADER)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2332 return "header expected, got: " + tmpLine;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2333
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2334 // depending on the name of the header, we continue
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2335 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2336 switch (hlp.parse(tmpLine)) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2337 case HeaderLineParser.NAME:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2338 name = hlp.values.clone();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2339 isSet[NAMES] = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2340 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2341 case HeaderLineParser.LENGTH:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2342 columnLengths = hlp.intValues.clone();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2343 isSet[LENS] = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2344 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2345 case HeaderLineParser.TYPE:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2346 type = hlp.values.clone();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2347 isSet[TYPES] = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2348 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2349 case HeaderLineParser.TABLE:
416
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2350 {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2351 tableNames = hlp.values.clone();
416
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2352 final int array_size = tableNames.length;
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2353 schemaNames = new String[array_size];
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2354 // split the schema and table names from the cloned values array
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2355 for (int i = 0; i < array_size; i++) {
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2356 String qtable = tableNames[i];
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2357 if (qtable != null) {
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2358 int dot = qtable.indexOf('.');
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2359 if (dot >= 0) {
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2360 schemaNames[i] = qtable.substring(0, dot);
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2361 tableNames[i] = qtable.substring(dot +1);
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2362 } else {
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2363 schemaNames[i] = "";
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2364 }
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2365 } else {
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2366 schemaNames[i] = "";
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2367 tableNames[i] = "";
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2368 }
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2369 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2370 isSet[TABLES] = true;
416
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2371 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2372 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2373 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2374 } catch (MCLParseException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2375 return e.getMessage();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2376 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2377
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2378 // all is well
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2379 return null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2380 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2381 // }}}
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2382
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2383 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2384 * Returns whether this ResultSetResponse needs more lines.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2385 * This method returns true if not all headers are set, or the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2386 * first DataBlockResponse reports to want more.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2387 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2388 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2389 public boolean wantsMore() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2390 if (isSet[LENS] && isSet[TYPES] && isSet[TABLES] && isSet[NAMES]) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2391 return resultBlocks[0].wantsMore();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2392 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2393 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2394 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2395 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2396
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2397 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2398 * Returns an array of Strings containing the values between
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2399 * ',\t' separators.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2400 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2401 * @param chrLine a character array holding the input data
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2402 * @param start where the relevant data starts
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2403 * @param stop where the relevant data stops
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2404 * @return an array of Strings
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2405 */
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2406 private final String[] getValues(final char[] chrLine, int start, final int stop) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2407 int elem = 0;
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2408 final String[] values = new String[columncount];
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
2409
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2410 for (int i = start; i < stop; i++) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2411 if (chrLine[i] == '\t' && chrLine[i - 1] == ',') {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2412 values[elem++] =
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2413 new String(chrLine, start, i - 1 - start);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2414 start = i + 1;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2415 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2416 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2417 // at the left over part
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2418 values[elem++] = new String(chrLine, start, stop - start);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2419
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2420 return values;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2421 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2422
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2423 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2424 * Adds the given DataBlockResponse to this ResultSetResponse at
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2425 * the given block position.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2426 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2427 * @param offset the offset number of rows for this block
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2428 * @param rr the DataBlockResponse to add
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2429 */
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2430 void addDataBlockResponse(final int offset, final DataBlockResponse rr) {
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2431 final int block = (offset - blockOffset) / cacheSize;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2432 resultBlocks[block] = rr;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2433 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2434
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2435 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2436 * Marks this Response as being completed. A complete Response
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2437 * needs to be consistent with regard to its internal data.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2438 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2439 * @throws SQLException if the data currently in this Response is not
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
2440 * sufficient to be consistant
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2441 */
324
0b01771d5f8a Method Response.complete() is never used or needed. Disabled the code from the interface and its implementations.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2442 /* MvD: disabled not used/needed code
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2443 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2444 public void complete() throws SQLException {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2445 final StringBuilder err = new StringBuilder(99);
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2446 if (!isSet[NAMES]) err.append("name header missing\n");
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2447 if (!isSet[TYPES]) err.append("type header missing\n");
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2448 if (!isSet[TABLES]) err.append("table name header missing\n");
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2449 if (!isSet[LENS]) err.append("column width header missing\n");
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2450 if (err.length() > 0)
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2451 throw new SQLException(err.toString(), "M0M10");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2452 }
324
0b01771d5f8a Method Response.complete() is never used or needed. Disabled the code from the interface and its implementations.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2453 */
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2454
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2455 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2456 * Returns the names of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2457 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2458 * @return the names of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2459 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2460 String[] getNames() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2461 return name;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2462 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2463
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2464 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2465 * Returns the types of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2466 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2467 * @return the types of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2468 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2469 String[] getTypes() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2470 return type;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2471 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2472
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2473 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2474 * Returns the tables of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2475 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2476 * @return the tables of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2477 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2478 String[] getTableNames() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2479 return tableNames;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2480 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2481
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2482 /**
416
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2483 * Returns the schemas of the columns
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2484 *
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2485 * @return the schemas of the columns
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2486 */
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2487 String[] getSchemaNames() {
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2488 return schemaNames;
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2489 }
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2490
b3c876a0d61f Improved performance of ResultSetMetaData methods getSchemaName(), getTableName(), getPrecision(), getScale(), isNullable() and isAutoIncrement().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 414
diff changeset
2491 /**
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2492 * Returns the lengths of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2493 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2494 * @return the lengths of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2495 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2496 int[] getColumnLengths() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2497 return columnLengths;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2498 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2499
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2500 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2501 * Returns the cache size used within this Response
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2502 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2503 * @return the cache size
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2504 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2505 int getCacheSize() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2506 return cacheSize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2507 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2508
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2509 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2510 * Returns the current block offset
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2511 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2512 * @return the current block offset
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2513 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2514 int getBlockOffset() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2515 return blockOffset;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2516 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2517
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2518 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2519 * Returns the ResultSet type, FORWARD_ONLY or not.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2520 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2521 * @return the ResultSet type
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2522 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2523 int getRSType() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2524 return parent.rstype;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2525 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2526
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2527 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2528 * Returns the concurrency of the ResultSet.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2529 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2530 * @return the ResultSet concurrency
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2531 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2532 int getRSConcur() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2533 return parent.rsconcur;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2534 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2535
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2536 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2537 * Returns a line from the cache. If the line is already present in the
136
4320e6891536 Replace AssertionError() with SQLException().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
2538 * cache, it is returned, if not appropriate actions are taken to make
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2539 * sure the right block is being fetched and as soon as the requested
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2540 * line is fetched it is returned.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2541 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2542 * @param row the row in the result set to return
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2543 * @return the exact row read as requested or null if the requested row
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2544 * is out of the scope of the result set
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2545 * @throws SQLException if an database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2546 */
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2547 String getLine(final int row) throws SQLException {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2548 if (row >= tuplecount || row < 0)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2549 return null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2550
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2551 int block = (row - blockOffset) / cacheSize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2552 int blockLine = (row - blockOffset) % cacheSize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2553
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2554 // do we have the right block loaded? (optimistic try)
214
b8c007e86694 Improve readability
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
2555 DataBlockResponse rawr = resultBlocks[block];
b8c007e86694 Improve readability
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
2556 if (rawr == null) {
b8c007e86694 Improve readability
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
2557 // load block
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2558 /// TODO: ponder about a maximum number of blocks to keep
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2559 /// in memory when dealing with random access to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2560 /// reduce memory blow-up
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2561
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2562 // if we're running forward only, we can discard the old
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2563 // block loaded
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2564 if (parent.rstype == ResultSet.TYPE_FORWARD_ONLY) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2565 for (int i = 0; i < block; i++)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2566 resultBlocks[i] = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2567
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2568 if (MonetConnection.seqCounter - 1 == seqnr &&
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2569 !cacheSizeSetExplicitly &&
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2570 tuplecount - row > cacheSize &&
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2571 cacheSize < MonetConnection.DEF_FETCHSIZE * 10)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2572 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2573 // there has no query been issued after this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2574 // one, so we can consider this an uninterrupted
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2575 // continuation request. Let's once increase
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2576 // the cacheSize as it was not explicitly set,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2577 // since the chances are high that we won't
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2578 // bother anyone else by doing so, and just
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2579 // gaining some performance.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2580
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2581 // store the previous position in the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2582 // blockOffset variable
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2583 blockOffset += cacheSize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2584
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2585 // increase the cache size (a lot)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2586 cacheSize *= 10;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2587
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2588 // by changing the cacheSize, we also
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2589 // change the block measures. Luckily
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2590 // we don't care about previous blocks
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2591 // because we have a forward running
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2592 // pointer only. However, we do have
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2593 // to recalculate the block number, to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2594 // ensure the next call to find this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2595 // new block.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2596 block = (row - blockOffset) / cacheSize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2597 blockLine = (row - blockOffset) % cacheSize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2598 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2599 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2600
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2601 // ok, need to fetch cache block first
136
4320e6891536 Replace AssertionError() with SQLException().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
2602 parent.executeQuery(commandTempl,
4320e6891536 Replace AssertionError() with SQLException().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
2603 "export " + id + " " + ((block * cacheSize) + blockOffset) + " " + cacheSize);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2604 rawr = resultBlocks[block];
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2605 if (rawr == null)
136
4320e6891536 Replace AssertionError() with SQLException().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
2606 throw new SQLException("resultBlocks[" + block + "] should have been fetched by now", "M0M10");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2607 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2608
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2609 return rawr.getRow(blockLine);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2610 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2611
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2612 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2613 * Closes this Response by sending an Xclose to the server indicating
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2614 * that the result can be closed at the server side as well.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2615 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2616 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2617 public void close() {
623
1c3cdf0667d7 Do more cleanup in the close() methods such as calling clearWarnings(), clearParameters(), clearBatch() and dereferencing cached objects.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 620
diff changeset
2618 if (closed)
1c3cdf0667d7 Do more cleanup in the close() methods such as calling clearWarnings(), clearParameters(), clearBatch() and dereferencing cached objects.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 620
diff changeset
2619 return;
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2620
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2621 // send command to server indicating we're done with this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2622 // result only if we had an ID in the header and this result
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2623 // was larger than the reply size
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2624 try {
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2625 if (destroyOnClose)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2626 sendControlCommand("close " + id);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2627 } catch (SQLException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2628 // probably a connection error...
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2629 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2630
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2631 // close the data block associated with us
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2632 for (int i = 1; i < resultBlocks.length; i++) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2633 DataBlockResponse r = resultBlocks[i];
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2634 if (r != null)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2635 r.close();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2636 }
623
1c3cdf0667d7 Do more cleanup in the close() methods such as calling clearWarnings(), clearParameters(), clearBatch() and dereferencing cached objects.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 620
diff changeset
2637 name = null;
1c3cdf0667d7 Do more cleanup in the close() methods such as calling clearWarnings(), clearParameters(), clearBatch() and dereferencing cached objects.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 620
diff changeset
2638 type = null;
1c3cdf0667d7 Do more cleanup in the close() methods such as calling clearWarnings(), clearParameters(), clearBatch() and dereferencing cached objects.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 620
diff changeset
2639 columnLengths = null;
1c3cdf0667d7 Do more cleanup in the close() methods such as calling clearWarnings(), clearParameters(), clearBatch() and dereferencing cached objects.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 620
diff changeset
2640 tableNames = null;
1c3cdf0667d7 Do more cleanup in the close() methods such as calling clearWarnings(), clearParameters(), clearBatch() and dereferencing cached objects.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 620
diff changeset
2641 schemaNames = null;
1c3cdf0667d7 Do more cleanup in the close() methods such as calling clearWarnings(), clearParameters(), clearBatch() and dereferencing cached objects.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 620
diff changeset
2642 resultBlocks = null;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2643 closed = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2644 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2645
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2646 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2647 * Returns whether this Response is closed
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2648 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2649 * @return whether this Response is closed
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2650 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2651 boolean isClosed() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2652 return closed;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2653 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2654 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2655 // }}}
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
2656
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2657 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2658 * The DataBlockResponse is tabular data belonging to a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2659 * ResultSetResponse. Tabular data from the server typically looks
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2660 * like:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2661 * <pre>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2662 * [ "value", 56 ]
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2663 * </pre>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2664 * where each column is separated by ",\t" and each tuple surrounded
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2665 * by brackets ("[" and "]"). A DataBlockResponse object holds the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2666 * raw data as read from the server, in a parsed manner, ready for
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2667 * easy retrieval.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2668 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2669 * This object is not intended to be queried by multiple threads
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2670 * synchronously. It is designed to work for one thread retrieving
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2671 * rows from it. When multiple threads will retrieve rows from this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2672 * object, it is possible for threads to get the same data.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2673 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2674 // {{{ DataBlockResponse class implementation
296
c5efd6e661e5 Add "final" keyword to classes, method arguments and local variables where possible.`
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 295
diff changeset
2675 private final static class DataBlockResponse implements Response {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2676 /** The String array to keep the data in */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2677 private final String[] data;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2678
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2679 /** The counter which keeps the current position in the data array */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2680 private int pos;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2681 /** Whether we can discard lines as soon as we have read them */
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2682 private final boolean forwardOnly;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2683
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2684 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2685 * Constructs a DataBlockResponse object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2686 * @param size the size of the data array to create
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2687 * @param forward whether this is a forward only result
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2688 */
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2689 DataBlockResponse(final int size, final boolean forward) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2690 pos = -1;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2691 data = new String[size];
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2692 forwardOnly = forward;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2693 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2694
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2695 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2696 * addLine adds a String of data to this object's data array.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2697 * Note that an IndexOutOfBoundsException can be thrown when an
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2698 * attempt is made to add more than the original construction size
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2699 * specified.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2700 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2701 * @param line the header line as String
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2702 * @param linetype the line type according to the MAPI protocol
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2703 * @return a non-null String if the line is invalid,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2704 * or additional lines are not allowed.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2705 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2706 @Override
497
aed7f32e029a Refactor LineType to be an enum
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 496
diff changeset
2707 public String addLine(final String line, final LineType linetype) {
aed7f32e029a Refactor LineType to be an enum
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 496
diff changeset
2708 if (linetype != LineType.RESULT)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2709 return "protocol violation: unexpected line in data block: " + line;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2710 // add to the backing array
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2711 data[++pos] = line;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2712
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2713 // all is well
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2714 return null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2715 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2716
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2717 /**
288
f412032e3b43 Correcting typo
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 286
diff changeset
2718 * Returns whether this Response expects more lines to be added
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2719 * to it.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2720 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2721 * @return true if a next line should be added, false otherwise
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2722 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2723 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2724 public boolean wantsMore() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2725 // remember: pos is the value already stored
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2726 return pos + 1 < data.length;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2727 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2728
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2729 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2730 * Indicates that no more header lines will be added to this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2731 * Response implementation. In most cases this is a redundant
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2732 * operation because the data array is full. However... it can
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2733 * happen that this is NOT the case!
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2734 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2735 * @throws SQLException if not all rows are filled
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2736 */
324
0b01771d5f8a Method Response.complete() is never used or needed. Disabled the code from the interface and its implementations.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2737 /* MvD: disabled not used/needed code
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2738 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2739 public void complete() throws SQLException {
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2740 if ((pos + 1) != data.length)
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2741 throw new SQLException("Inconsistent state detected! Current block capacity: "
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2742 + data.length + ", block usage: " + (pos + 1)
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2743 + ". Did MonetDB send what it promised to?", "M0M10");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2744 }
324
0b01771d5f8a Method Response.complete() is never used or needed. Disabled the code from the interface and its implementations.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2745 */
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2746
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2747 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2748 * Instructs the Response implementation to close and do the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2749 * necessary clean up procedures.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2750 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2751 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2752 public void close() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2753 // feed all rows to the garbage collector
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2754 for (int i = 0; i < data.length; i++)
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2755 data[i] = null;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2756 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2757
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2758 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2759 * Retrieves the required row. Warning: if the requested rows
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2760 * is out of bounds, an IndexOutOfBoundsException will be
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2761 * thrown.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2762 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2763 * @param line the row to retrieve
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2764 * @return the requested row as String
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2765 */
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2766 String getRow(final int line) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2767 if (forwardOnly) {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2768 final String ret = data[line];
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2769 data[line] = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2770 return ret;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2771 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2772 return data[line];
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2773 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2774 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2775 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2776 // }}}
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2777
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2778 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2779 * The UpdateResponse represents an update statement response. It
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2780 * is issued on an UPDATE, INSERT or DELETE SQL statement. This
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2781 * response keeps a count field that represents the affected rows
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2782 * and a field that contains the last inserted auto-generated ID, or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2783 * -1 if not applicable.<br />
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2784 * <tt>&amp;2 0 -1</tt>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2785 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2786 // {{{ UpdateResponse class implementation
296
c5efd6e661e5 Add "final" keyword to classes, method arguments and local variables where possible.`
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 295
diff changeset
2787 final static class UpdateResponse implements Response {
378
02f353f62abe Adjust UpdateResponse to allow for large updates (long instead of int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 377
diff changeset
2788 public final long count;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2789 public final String lastid;
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
2790
378
02f353f62abe Adjust UpdateResponse to allow for large updates (long instead of int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 377
diff changeset
2791 public UpdateResponse(final long cnt, final String id) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2792 // fill the blank finals
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2793 this.count = cnt;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2794 this.lastid = id;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2795 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2796
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2797 @Override
497
aed7f32e029a Refactor LineType to be an enum
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 496
diff changeset
2798 public String addLine(final String line, final LineType linetype) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2799 return "Header lines are not supported for an UpdateResponse";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2800 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2801
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2802 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2803 public boolean wantsMore() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2804 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2805 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2806
324
0b01771d5f8a Method Response.complete() is never used or needed. Disabled the code from the interface and its implementations.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2807 /* MvD: disabled not used/needed code
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2808 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2809 public void complete() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2810 // empty, because there is nothing to check
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2811 }
324
0b01771d5f8a Method Response.complete() is never used or needed. Disabled the code from the interface and its implementations.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2812 */
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2813
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2814 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2815 public void close() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2816 // nothing to do here...
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2817 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2818 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2819 // }}}
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2820
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2821 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2822 * The SchemaResponse represents an schema modification response.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2823 * It is issued on statements like CREATE, DROP or ALTER TABLE.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2824 * This response keeps a field that represents the success state, as
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2825 * defined by JDBC, which is currently in MonetDB's case alwats
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2826 * SUCCESS_NO_INFO. Note that this state is not sent by the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2827 * server.<br />
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2828 * <tt>&amp;3</tt>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2829 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2830 // {{{ SchemaResponse class implementation
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2831 class SchemaResponse implements Response {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2832 public final int state = Statement.SUCCESS_NO_INFO;
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
2833
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2834 @Override
497
aed7f32e029a Refactor LineType to be an enum
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 496
diff changeset
2835 public String addLine(final String line, final LineType linetype) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2836 return "Header lines are not supported for a SchemaResponse";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2837 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2838
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2839 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2840 public boolean wantsMore() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2841 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2842 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2843
324
0b01771d5f8a Method Response.complete() is never used or needed. Disabled the code from the interface and its implementations.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2844 /* MvD: disabled not used/needed code
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2845 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2846 public void complete() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2847 // empty, because there is nothing to check
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2848 }
324
0b01771d5f8a Method Response.complete() is never used or needed. Disabled the code from the interface and its implementations.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 300
diff changeset
2849 */
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2850
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2851 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2852 public void close() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2853 // nothing to do here...
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2854 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2855 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2856 // }}}
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2857
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2858 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2859 * The AutoCommitResponse represents a transaction message. It
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2860 * stores (a change in) the server side auto commit mode.<br />
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2861 * <tt>&amp;4 (t|f)</tt>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2862 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2863 // {{{ AutoCommitResponse class implementation
296
c5efd6e661e5 Add "final" keyword to classes, method arguments and local variables where possible.`
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 295
diff changeset
2864 private final class AutoCommitResponse extends SchemaResponse {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2865 public final boolean autocommit;
77
83aee4f60649 Added private method sendTransactionCommand(String); to reduce duplicate code in 6 methods.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 47
diff changeset
2866
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2867 public AutoCommitResponse(final boolean ac) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2868 // fill the blank final
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2869 this.autocommit = ac;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2870 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2871 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2872 // }}}
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2873
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2874 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2875 * A list of Response objects. Responses are added to this list.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2876 * Methods of this class are not synchronized. This is left as
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2877 * responsibility to the caller to prevent concurrent access.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2878 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2879 // {{{ ResponseList class implementation
296
c5efd6e661e5 Add "final" keyword to classes, method arguments and local variables where possible.`
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 295
diff changeset
2880 final class ResponseList {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2881 /** The cache size (number of rows in a DataBlockResponse object) */
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
2882 private final int cachesize;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2883 /** The maximum number of results for this query */
376
ffdc7b0e102d Updated JDBC driver to comply with JDBC 4.2 interface now we compile for Java 8. This includes:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 370
diff changeset
2884 private final long maxrows;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2885 /** The ResultSet type to produce */
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
2886 private final int rstype;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2887 /** The ResultSet concurrency to produce */
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
2888 private final int rsconcur;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2889 /** The sequence number of this ResponseList */
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
2890 private final int seqnr;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2891 /** A list of the Responses associated with the query,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2892 * in the right order */
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2893 private final ArrayList<Response> responses;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2894 /** A map of ResultSetResponses, used for additional
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2895 * DataBlockResponse mapping */
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2896 private HashMap<Integer, ResultSetResponse> rsresponses;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2897
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2898 /** The current header returned by getNextResponse() */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2899 private int curResponse;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2900
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2901 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2902 * Main constructor. The query argument can either be a String
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2903 * or List. An SQLException is thrown if another object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2904 * instance is supplied.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2905 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2906 * @param cachesize overall cachesize to use
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2907 * @param maxrows maximum number of rows to allow in the set
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2908 * @param rstype the type of result sets to produce
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2909 * @param rsconcur the concurrency of result sets to produce
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2910 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2911 ResponseList(
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2912 final int cachesize,
376
ffdc7b0e102d Updated JDBC driver to comply with JDBC 4.2 interface now we compile for Java 8. This includes:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 370
diff changeset
2913 final long maxrows,
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2914 final int rstype,
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2915 final int rsconcur
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2916 ) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2917 this.cachesize = cachesize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2918 this.maxrows = maxrows;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2919 this.rstype = rstype;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2920 this.rsconcur = rsconcur;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2921 responses = new ArrayList<Response>();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2922 curResponse = -1;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2923 seqnr = MonetConnection.seqCounter++;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2924 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2925
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2926 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2927 * Retrieves the next available response, or null if there are
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2928 * no more responses.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2929 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2930 * @return the next Response available or null
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2931 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2932 Response getNextResponse() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2933 if (rstype == ResultSet.TYPE_FORWARD_ONLY) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2934 // free resources if we're running forward only
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2935 if (curResponse >= 0 && curResponse < responses.size()) {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2936 final Response tmp = responses.get(curResponse);
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
2937 if (tmp != null)
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
2938 tmp.close();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2939 responses.set(curResponse, null);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2940 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2941 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2942 curResponse++;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2943 if (curResponse >= responses.size()) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2944 // ResponseList is obviously completed so, there are no
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2945 // more responses
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2946 return null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2947 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2948 // return this response
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2949 return responses.get(curResponse);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2950 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2951 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2952
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2953 /**
288
f412032e3b43 Correcting typo
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 286
diff changeset
2954 * Closes the Response at index i, if not null.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2955 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2956 * @param i the index position of the header to close
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2957 */
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2958 void closeResponse(final int i) {
262
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
2959 if (i < 0 || i >= responses.size())
2d62ca1f758b Moved utility method newSQLFeatureNotSupportedException(String name) from MonetPreparedStatement.java and MonetResultSet.java
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
2960 return;
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
2961 final Response tmp = responses.set(i, null);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2962 if (tmp != null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2963 tmp.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2964 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2965
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2966 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2967 * Closes the current response.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2968 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2969 void closeCurrentResponse() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2970 closeResponse(curResponse);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2971 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2972
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2973 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2974 * Closes the current and previous responses.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2975 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2976 void closeCurOldResponses() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2977 for (int i = curResponse; i >= 0; i--) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2978 closeResponse(i);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2979 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2980 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2981
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2982 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2983 * Closes this ResponseList by closing all the Responses in this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2984 * ResponseList.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2985 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2986 void close() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2987 for (int i = 0; i < responses.size(); i++) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2988 closeResponse(i);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2989 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2990 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2991
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2992 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2993 * Returns whether this ResponseList has still unclosed
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2994 * Responses.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2995 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2996 boolean hasUnclosedResponses() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2997 for (Response r : responses) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2998 if (r != null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2999 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3000 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3001 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3002 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3003
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3004 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3005 * Executes the query contained in this ResponseList, and
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3006 * stores the Responses resulting from this query in this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3007 * ResponseList.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3008 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3009 * @throws SQLException if a database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3010 */
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
3011 void processQuery(final String query) throws SQLException {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3012 executeQuery(queryTempl, query);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3013 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3014
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3015 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3016 * Internal executor of queries.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3017 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3018 * @param templ the template to fill in
552
7b320303b579 Doc comment improvements
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 551
diff changeset
3019 * @param query the query to execute
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3020 * @throws SQLException if a database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3021 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3022 @SuppressWarnings("fallthrough")
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
3023 void executeQuery(final String[] templ, final String query)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3024 throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3025 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3026 String error = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3027
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3028 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3029 synchronized (server) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3030 // make sure we're ready to send query; read data till we
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3031 // have the prompt it is possible (and most likely) that we
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3032 // already have the prompt and do not have to skip any
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3033 // lines. Ignore errors from previous result sets.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3034 in.waitForPrompt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3035
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3036 // {{{ set reply size
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3037 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3038 * Change the reply size of the server. If the given
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3039 * value is the same as the current value known to use,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3040 * then ignore this call. If it is set to 0 we get a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3041 * prompt after the server sent it's header.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3042 */
480
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
3043 int size = cachesize;
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
3044 if (size == 0)
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
3045 size = defaultFetchSize;
178
dd12348c41cf Improvement: only extend typeMap when the property was set to true.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 175
diff changeset
3046 if (maxrows > 0 && maxrows < size)
376
ffdc7b0e102d Updated JDBC driver to comply with JDBC 4.2 interface now we compile for Java 8. This includes:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 370
diff changeset
3047 size = (int)maxrows;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3048 // don't do work if it's not needed
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3049 if (lang == LANG_SQL && size != curReplySize && templ != commandTempl) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3050 sendControlCommand("reply_size " + size);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3051
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3052 // store the reply size after a successful change
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3053 curReplySize = size;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3054 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3055 // }}} set reply size
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3056
285
637899bda602 Removed SendThread class and its usage from MonetConnection.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 284
diff changeset
3057 // send query to the server
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3058 out.writeLine(templ[0] + query + templ[1]);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3059
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3060 // go for new results
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3061 String tmpLine = in.readLine();
497
aed7f32e029a Refactor LineType to be an enum
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 496
diff changeset
3062 LineType linetype = in.getLineType();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3063 Response res = null;
497
aed7f32e029a Refactor LineType to be an enum
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 496
diff changeset
3064 while (linetype != LineType.PROMPT) {
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3065 // each response should start with a start of header (or error)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3066 switch (linetype) {
497
aed7f32e029a Refactor LineType to be an enum
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 496
diff changeset
3067 case SOHEADER:
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3068 // make the response object, and fill it
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3069 try {
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3070 switch (sohp.parse(tmpLine)) {
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3071 case StartOfHeaderParser.Q_PARSE:
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3072 throw new MCLParseException("Q_PARSE header not allowed here", 1);
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3073 case StartOfHeaderParser.Q_TABLE:
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3074 case StartOfHeaderParser.Q_PREPARE: {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
3075 final int id = sohp.getNextAsInt();
377
8a813f5cef1b Extend StartOfHeaderParser with method getNextAsLong() and change type of tuplecount to long.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 376
diff changeset
3076 long tuplecount = sohp.getNextAsLong();
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
3077 final int columncount = sohp.getNextAsInt();
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
3078 final int rowcount = sohp.getNextAsInt();
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3079 // enforce the maxrows setting
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3080 if (maxrows != 0 && tuplecount > maxrows)
377
8a813f5cef1b Extend StartOfHeaderParser with method getNextAsLong() and change type of tuplecount to long.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 376
diff changeset
3081 tuplecount = maxrows;
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3082 res = new ResultSetResponse(id, tuplecount, columncount, rowcount, this, seqnr);
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3083 // only add this resultset to the hashmap if it can possibly have an additional datablock
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3084 if (rowcount < tuplecount) {
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3085 if (rsresponses == null)
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3086 rsresponses = new HashMap<Integer, ResultSetResponse>();
556
87feb93330a6 Misc. changes suggested by analysis tool
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 554
diff changeset
3087 rsresponses.put(id, (ResultSetResponse) res);
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3088 }
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3089 } break;
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3090 case StartOfHeaderParser.Q_UPDATE:
378
02f353f62abe Adjust UpdateResponse to allow for large updates (long instead of int).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 377
diff changeset
3091 res = new UpdateResponse(sohp.getNextAsLong(), // count
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3092 sohp.getNextAsString() // key-id
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3093 );
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3094 break;
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3095 case StartOfHeaderParser.Q_SCHEMA:
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3096 res = new SchemaResponse();
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3097 break;
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3098 case StartOfHeaderParser.Q_TRANS:
480
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
3099 final boolean ac = sohp.getNextAsString().equals("t");
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3100 if (autoCommit && ac) {
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3101 addWarning("Server enabled auto commit mode " +
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3102 "while local state already was auto commit.", "01M11");
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3103 }
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3104 autoCommit = ac;
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3105 res = new AutoCommitResponse(ac);
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3106 break;
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3107 case StartOfHeaderParser.Q_BLOCK: {
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3108 // a new block of results for a response...
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
3109 final int id = sohp.getNextAsInt();
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3110 sohp.getNextAsInt(); // columncount
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
3111 final int rowcount = sohp.getNextAsInt();
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
3112 final int offset = sohp.getNextAsInt();
480
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
3113 final ResultSetResponse t;
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
3114 if (rsresponses != null)
556
87feb93330a6 Misc. changes suggested by analysis tool
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 554
diff changeset
3115 t = rsresponses.get(id);
480
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
3116 else
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
3117 t = null;
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3118 if (t == null) {
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3119 error = "M0M12!no ResultSetResponse with id " + id + " found";
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3120 break;
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3121 }
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
3122 final DataBlockResponse r = new DataBlockResponse(rowcount, t.getRSType() == ResultSet.TYPE_FORWARD_ONLY);
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3123 t.addDataBlockResponse(offset, r);
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3124 res = r;
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3125 } break;
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3126 } // end of switch (sohp.parse(tmpLine))
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3127 } catch (MCLParseException e) {
480
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
3128 final int offset = e.getErrorOffset();
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3129 error = "M0M10!error while parsing start of header:\n" +
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3130 e.getMessage() +
480
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
3131 " found: '" + tmpLine.charAt(offset) +
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
3132 "' in: \"" + tmpLine +
849af4b76b28 Optimise code by reducing local variables which are used only once, replacing complex string concatenation by using StringBuilder, replacing some ternairy operators.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 474
diff changeset
3133 "\" at pos: " + offset;
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3134 // flush all the rest
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3135 in.waitForPrompt();
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3136 linetype = in.getLineType();
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3137 break;
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3138 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3139
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3140 // immediately handle errors after parsing the header (res may be null)
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3141 if (error != null) {
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3142 in.waitForPrompt();
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3143 linetype = in.getLineType();
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3144 break;
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3145 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3146
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3147 // here we have a res object, which we can start filling
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3148 while (res.wantsMore()) {
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3149 error = res.addLine(in.readLine(), in.getLineType());
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3150 if (error != null) {
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3151 // right, some protocol violation,
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3152 // skip the rest of the result
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3153 error = "M0M10!" + error;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3154 in.waitForPrompt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3155 linetype = in.getLineType();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3156 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3157 }
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3158 }
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3159 if (error != null)
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3160 break;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3161
288
f412032e3b43 Correcting typo
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 286
diff changeset
3162 // it is of no use to store DataBlockResponses, you never want to
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3163 // retrieve them directly anyway
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3164 if (!(res instanceof DataBlockResponse))
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3165 responses.add(res);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3166
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3167 // read the next line (can be prompt, new result, error, etc.)
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3168 // before we start the loop over
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3169 tmpLine = in.readLine();
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3170 linetype = in.getLineType();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3171 break;
497
aed7f32e029a Refactor LineType to be an enum
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 496
diff changeset
3172 case INFO:
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3173 addWarning(tmpLine.substring(1), "01000");
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3174 // read the next line (can be prompt, new result, error, etc.)
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3175 // before we start the loop over
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3176 tmpLine = in.readLine();
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3177 linetype = in.getLineType();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3178 break;
500
95d1b0a38aed Stub implementation of FILETRANSFER handling
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 499
diff changeset
3179 case FILETRANSFER:
95d1b0a38aed Stub implementation of FILETRANSFER handling
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 499
diff changeset
3180 // Consume the command
620
5ab170ddc66a Some small improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 617
diff changeset
3181 final String transferCommand = in.readLine();
500
95d1b0a38aed Stub implementation of FILETRANSFER handling
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 499
diff changeset
3182 // Consume the fake prompt inserted by MapiSocket.
620
5ab170ddc66a Some small improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 617
diff changeset
3183 in.readLine();
502
83354bd21320 Upload fake data when an upload request is received
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 500
diff changeset
3184 // Handle the request
540
d3a96675969e Handle case where in.readLine() returns null
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 539
diff changeset
3185 if (transferCommand != null)
d3a96675969e Handle case where in.readLine() returns null
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 539
diff changeset
3186 error = handleTransfer(transferCommand);
d3a96675969e Handle case where in.readLine() returns null
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 539
diff changeset
3187 else
566
eeea18f501b3 Remove SQLStates from error messages sent upstream
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 563
diff changeset
3188 error = "Protocol violation, expected transfer command, got nothing";
506
2ae90050720c Improve flushing around error responses
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 505
diff changeset
3189 // Then prepare for the next iteration
502
83354bd21320 Upload fake data when an upload request is received
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 500
diff changeset
3190 if (error != null) {
566
eeea18f501b3 Remove SQLStates from error messages sent upstream
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 563
diff changeset
3191 out.writeLine(error + "\n");
506
2ae90050720c Improve flushing around error responses
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 505
diff changeset
3192 error = in.waitForPrompt();
2ae90050720c Improve flushing around error responses
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 505
diff changeset
3193 } else {
2ae90050720c Improve flushing around error responses
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 505
diff changeset
3194 tmpLine = in.readLine();
502
83354bd21320 Upload fake data when an upload request is received
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 500
diff changeset
3195 }
500
95d1b0a38aed Stub implementation of FILETRANSFER handling
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 499
diff changeset
3196 linetype = in.getLineType();
95d1b0a38aed Stub implementation of FILETRANSFER handling
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 499
diff changeset
3197 break;
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3198 default: // Yeah... in Java this is correct!
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3199 // we have something we don't expect/understand, let's make it an error message
553
50b15ee1cb5e Process suggestions from Martin
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 552
diff changeset
3200 tmpLine = "!M0M10!protocol violation, unexpected " + linetype + " line: " + tmpLine;
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3201 // don't break; fall through...
497
aed7f32e029a Refactor LineType to be an enum
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 496
diff changeset
3202 case ERROR:
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3203 // read everything till the prompt (should be
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3204 // error) we don't know if we ignore some
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3205 // garbage here... but the log should reveal that
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3206 error = in.waitForPrompt();
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3207 linetype = in.getLineType();
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3208 if (error != null) {
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3209 error = tmpLine.substring(1) + "\n" + error;
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3210 } else {
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3211 error = tmpLine.substring(1);
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3212 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3213 break;
284
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3214 } // end of switch (linetype)
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3215 } // end of while (linetype != BufferedMCLReader.PROMPT)
e5b99c929a2d Improve setSchema(String schema) by checking also on empty name.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 278
diff changeset
3216 } // end of synchronized (server)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3217
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3218 if (error != null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3219 SQLException ret = null;
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
3220 final String[] errors = error.split("\n");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3221 for (int i = 0; i < errors.length; i++) {
295
003ae6d881db Add "final" keyword to method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 292
diff changeset
3222 final SQLException newErr;
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
3223 if (errors[i].length() >= 6) {
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
3224 newErr = new SQLException(errors[i].substring(6), errors[i].substring(0, 5));
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3225 } else {
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
3226 newErr = new SQLNonTransientConnectionException(errors[i], "08000");
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
3227 }
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
3228 if (ret == null) {
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
3229 ret = newErr;
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
3230 } else {
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
3231 ret.setNextException(newErr);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3232 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3233 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3234 throw ret;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3235 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3236 } catch (SocketTimeoutException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3237 close(); // JDBC 4.1 semantics, abort()
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
3238 throw new SQLNonTransientConnectionException("connection timed out", "08M33");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3239 } catch (IOException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3240 closed = true;
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
3241 throw new SQLNonTransientConnectionException(e.getMessage() + " (mserver5 still alive?)", "08006");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3242 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3243 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3244 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3245 // }}}
502
83354bd21320 Upload fake data when an upload request is received
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 500
diff changeset
3246
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3247 private String handleTransfer(final String transferCommand) throws IOException {
553
50b15ee1cb5e Process suggestions from Martin
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 552
diff changeset
3248 if (transferCommand.startsWith("r ")) {
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3249 final String[] parts = transferCommand.split(" ", 3);
553
50b15ee1cb5e Process suggestions from Martin
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 552
diff changeset
3250 if (parts.length == 3) {
50b15ee1cb5e Process suggestions from Martin
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 552
diff changeset
3251 final long offset;
50b15ee1cb5e Process suggestions from Martin
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 552
diff changeset
3252 try {
50b15ee1cb5e Process suggestions from Martin
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 552
diff changeset
3253 offset = Long.parseLong(parts[1]);
50b15ee1cb5e Process suggestions from Martin
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 552
diff changeset
3254 } catch (NumberFormatException e) {
50b15ee1cb5e Process suggestions from Martin
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 552
diff changeset
3255 return e.toString();
50b15ee1cb5e Process suggestions from Martin
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 552
diff changeset
3256 }
50b15ee1cb5e Process suggestions from Martin
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 552
diff changeset
3257 return handleUpload(parts[2], true, offset);
502
83354bd21320 Upload fake data when an upload request is received
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 500
diff changeset
3258 }
503
7e3987c16cde Succesful file uploading
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 502
diff changeset
3259 } else if (transferCommand.startsWith("rb ")) {
7e3987c16cde Succesful file uploading
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 502
diff changeset
3260 return handleUpload(transferCommand.substring(3), false, 0);
505
8a014286dac2 Add stub code for downloading
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 504
diff changeset
3261 } else if (transferCommand.startsWith("w ")) {
616
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3262 return handleDownload(transferCommand.substring(2), true);
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3263 } else if (transferCommand.startsWith("wb ")) {
620
5ab170ddc66a Some small improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 617
diff changeset
3264 return handleDownload(transferCommand.substring(3), false);
502
83354bd21320 Upload fake data when an upload request is received
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 500
diff changeset
3265 }
553
50b15ee1cb5e Process suggestions from Martin
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 552
diff changeset
3266 return "JDBC does not support this file transfer yet: " + transferCommand;
502
83354bd21320 Upload fake data when an upload request is received
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 500
diff changeset
3267 }
83354bd21320 Upload fake data when an upload request is received
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 500
diff changeset
3268
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3269 private String handleUpload(final String path, final boolean textMode, final long offset) throws IOException {
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3270 if (uploadHandler == null) {
505
8a014286dac2 Add stub code for downloading
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 504
diff changeset
3271 return "No file upload handler has been registered with the JDBC driver";
503
7e3987c16cde Succesful file uploading
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 502
diff changeset
3272 }
7e3987c16cde Succesful file uploading
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 502
diff changeset
3273
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3274 final long linesToSkip = offset >= 1 ? offset - 1 : 0;
613
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3275 final Upload handle = new Upload(server, uploadHandler::uploadCancelled, textMode);
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3276 final boolean wasFaking = server.setInsertFakePrompts(false);
502
83354bd21320 Upload fake data when an upload request is received
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 500
diff changeset
3277 try {
551
5ce6a942aff3 Last minute API fix: 'int offset' -> 'long linesToSkip'
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 546
diff changeset
3278 uploadHandler.handleUpload(handle, path, textMode, linesToSkip);
503
7e3987c16cde Succesful file uploading
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 502
diff changeset
3279 if (!handle.hasBeenUsed()) {
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3280 throw new IOException("Call to " + uploadHandler.getClass().getCanonicalName() + ".handleUpload for path '" + path + "' sent neither data nor an error message");
502
83354bd21320 Upload fake data when an upload request is received
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 500
diff changeset
3281 }
620
5ab170ddc66a Some small improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 617
diff changeset
3282 } finally {
503
7e3987c16cde Succesful file uploading
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 502
diff changeset
3283 handle.close();
511
bd860e850fe1 rename insertFakeFlushes to insertFakePrompts
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 510
diff changeset
3284 server.setInsertFakePrompts(wasFaking);
502
83354bd21320 Upload fake data when an upload request is received
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 500
diff changeset
3285 }
503
7e3987c16cde Succesful file uploading
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 502
diff changeset
3286 return handle.getError();
502
83354bd21320 Upload fake data when an upload request is received
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 500
diff changeset
3287 }
83354bd21320 Upload fake data when an upload request is received
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 500
diff changeset
3288
620
5ab170ddc66a Some small improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 617
diff changeset
3289 private String handleDownload(final String path, final boolean textMode) throws IOException {
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3290 if (downloadHandler == null) {
505
8a014286dac2 Add stub code for downloading
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 504
diff changeset
3291 return "No file download handler has been registered with the JDBC driver";
8a014286dac2 Add stub code for downloading
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 504
diff changeset
3292 }
8a014286dac2 Add stub code for downloading
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 504
diff changeset
3293
616
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3294 final Download handle = new Download(server, textMode);
546
eb7ecfbb48f2 Never forget to close the download handle
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 542
diff changeset
3295 try {
eb7ecfbb48f2 Never forget to close the download handle
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 542
diff changeset
3296 downloadHandler.handleDownload(handle, path, true);
eb7ecfbb48f2 Never forget to close the download handle
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 542
diff changeset
3297 if (!handle.hasBeenUsed()) {
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3298 handle.sendError("Call to " + downloadHandler.getClass().getSimpleName() + ".handleDownload sent neither data nor error");
546
eb7ecfbb48f2 Never forget to close the download handle
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 542
diff changeset
3299 }
eb7ecfbb48f2 Never forget to close the download handle
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 542
diff changeset
3300 } finally {
eb7ecfbb48f2 Never forget to close the download handle
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 542
diff changeset
3301 handle.close();
505
8a014286dac2 Add stub code for downloading
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 504
diff changeset
3302 }
8a014286dac2 Add stub code for downloading
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 504
diff changeset
3303 return handle.getError();
502
83354bd21320 Upload fake data when an upload request is received
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 500
diff changeset
3304 }
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3305
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3306 /**
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3307 * Callback for sending files for COPY INTO "table" FROM 'file-name' ON CLIENT commands
541
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3308 *
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3309 * To be registered with {@link MonetConnection#setUploadHandler(UploadHandler)}
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3310 *
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3311 * An example implementation can be found at ../util/FileTransferHandler.java
541
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3312 */
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3313
556
87feb93330a6 Misc. changes suggested by analysis tool
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 554
diff changeset
3314 public interface UploadHandler {
541
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3315 /**
542
d462000fc410 Various changes suggested by Martin van Dinther
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 541
diff changeset
3316 * Called if the server sends a request to read file data.
541
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3317 *
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3318 * Use the given handle to receive data or send errors to the server.
620
5ab170ddc66a Some small improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 617
diff changeset
3319 *
5ab170ddc66a Some small improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 617
diff changeset
3320 * @param handle Handle to communicate with the server
542
d462000fc410 Various changes suggested by Martin van Dinther
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 541
diff changeset
3321 * @param name Name of the file the server would like to read. Make sure
d462000fc410 Various changes suggested by Martin van Dinther
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 541
diff changeset
3322 * to validate this before reading from the file system
559
7f10d662a788 fixup doc comment fixes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 557
diff changeset
3323 * @param textMode Whether to open the file as text or binary data.
551
5ce6a942aff3 Last minute API fix: 'int offset' -> 'long linesToSkip'
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 546
diff changeset
3324 * @param linesToSkip In text mode, number of initial lines to skip.
5ce6a942aff3 Last minute API fix: 'int offset' -> 'long linesToSkip'
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 546
diff changeset
3325 * 0 means upload everything, 1 means skip the first line, etc.
5ce6a942aff3 Last minute API fix: 'int offset' -> 'long linesToSkip'
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 546
diff changeset
3326 * Note: this is different from the OFFSET option of the COPY INTO,
5ce6a942aff3 Last minute API fix: 'int offset' -> 'long linesToSkip'
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 546
diff changeset
3327 * where both 0 and 1 mean 'upload everything'
626
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3328 * @throws IOException when I/O problem occurs
541
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3329 */
551
5ce6a942aff3 Last minute API fix: 'int offset' -> 'long linesToSkip'
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 546
diff changeset
3330 void handleUpload(Upload handle, String name, boolean textMode, long linesToSkip) throws IOException;
557
ce2b616ed22e Add a cancellation callback to UploadHandler
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 556
diff changeset
3331
ce2b616ed22e Add a cancellation callback to UploadHandler
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 556
diff changeset
3332 /**
ce2b616ed22e Add a cancellation callback to UploadHandler
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 556
diff changeset
3333 * Called when the upload is cancelled halfway by the server.
ce2b616ed22e Add a cancellation callback to UploadHandler
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 556
diff changeset
3334 *
ce2b616ed22e Add a cancellation callback to UploadHandler
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 556
diff changeset
3335 * The default implementation does nothing.
ce2b616ed22e Add a cancellation callback to UploadHandler
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 556
diff changeset
3336 */
ce2b616ed22e Add a cancellation callback to UploadHandler
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 556
diff changeset
3337 default void uploadCancelled() {}
541
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3338 }
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3339
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3340 /**
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3341 * Callback for receiving files from COPY .. INTO 'file-name' ON CLIENT commands
541
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3342 *
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3343 * To be registered with {@link MonetConnection#setDownloadHandler(DownloadHandler)}
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3344 *
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3345 * An example implementation can be found at ../util/FileTransferHandler.java
541
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3346 */
556
87feb93330a6 Misc. changes suggested by analysis tool
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 554
diff changeset
3347 public interface DownloadHandler {
541
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3348 /**
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3349 * Called if the server sends a request to write a file.
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3350 *
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3351 * Use the given handle to send data or errors to the server.
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3352 *
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3353 * @param handle Handle to communicate with the server
620
5ab170ddc66a Some small improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 617
diff changeset
3354 * @param name Name of the file the server would like to write. Make sure
5ab170ddc66a Some small improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 617
diff changeset
3355 * to validate this before writing to the file system
541
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3356 * @param textMode Whether this is text or binary data.
626
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3357 * @throws IOException when I/O problem occurs
541
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3358 */
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3359 void handleDownload(Download handle, String name, boolean textMode) throws IOException;
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3360 }
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3361
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3362 /**
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3363 * Handle passed to {@link UploadHandler} to allow communication with the server
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3364 */
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3365 public static class Upload {
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3366 private final MapiSocket server;
557
ce2b616ed22e Add a cancellation callback to UploadHandler
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 556
diff changeset
3367 private final Runnable cancellationCallback;
613
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3368 private final boolean textMode;
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3369 private PrintStream print = null;
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3370 private String error = null;
521
72007c4f8f8a Allow MonetUploadHandler to configure the chunk size
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 516
diff changeset
3371 private int customChunkSize = -1;
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3372
613
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3373 Upload(MapiSocket server, Runnable cancellationCallback, boolean textMode) {
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3374 this.server = server;
557
ce2b616ed22e Add a cancellation callback to UploadHandler
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 556
diff changeset
3375 this.cancellationCallback = cancellationCallback;
613
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3376 this.textMode = textMode;
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3377 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3378
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3379 /**
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3380 * Send an error message to the server
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3381 *
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3382 * The server will generally let the currently executing statement fail
562
c640075da7c9 only comment improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 559
diff changeset
3383 * with this error message. The connection will remain usable.
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3384 *
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3385 * This method can only be sent if no data has been sent to the server
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3386 * yet. After data has been sent, you can still throw an
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3387 * {@link IOException} but this will terminate the connection.
626
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3388 *
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3389 * @param errorMessage the error message to send
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3390 * @throws IOException when error message is null
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3391 */
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3392 public void sendError(final String errorMessage) throws IOException {
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3393 if (error != null) {
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3394 throw new IOException("another error has already been sent: " + error);
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3395 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3396 error = errorMessage;
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3397 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3398
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3399 /**
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3400 * After every {@code chunkSize} bytes, the server gets the opportunity to
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3401 * terminate the upload.
626
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3402 *
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3403 * @param chunkSize size of chunk
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3404 */
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3405 public void setChunkSize(final int chunkSize) {
521
72007c4f8f8a Allow MonetUploadHandler to configure the chunk size
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 516
diff changeset
3406 this.customChunkSize = chunkSize;
72007c4f8f8a Allow MonetUploadHandler to configure the chunk size
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 516
diff changeset
3407 }
72007c4f8f8a Allow MonetUploadHandler to configure the chunk size
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 516
diff changeset
3408
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3409 /**
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3410 * Get a {@link PrintStream} to write data to.
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3411 *
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3412 * For text mode uploads, the data MUST be validly UTF-8 encoded.
626
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3413 *
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3414 * @return PrintStream a PrintStream
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3415 * @throws IOException when error message is null or I/O problem occurs
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3416 */
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3417 public PrintStream getStream() throws IOException {
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3418 if (error != null) {
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3419 throw new IOException("Cannot send data after an error has been sent");
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3420 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3421 if (print == null) {
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3422 try {
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3423 final MapiSocket.UploadStream up = customChunkSize >= 0 ? server.uploadStream(customChunkSize) : server.uploadStream();
557
ce2b616ed22e Add a cancellation callback to UploadHandler
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 556
diff changeset
3424 up.setCancellationCallback(cancellationCallback);
613
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3425 print = new PrintStream(textMode ? new StripCrLfStream(up) : up, false, "UTF-8");
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3426 up.write('\n');
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3427 } catch (UnsupportedEncodingException e) {
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3428 throw new RuntimeException("The system is guaranteed to support the UTF-8 encoding but apparently it doesn't", e);
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3429 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3430 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3431 return print;
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3432 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3433
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3434 /**
554
9fa67487f38a Doc comment fixes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 553
diff changeset
3435 * @return true if data or an error has been sent.
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3436 */
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3437 public boolean hasBeenUsed() {
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3438 return print != null || error != null;
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3439 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3440
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3441 /**
554
9fa67487f38a Doc comment fixes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 553
diff changeset
3442 * @return the error that was sent, if any
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3443 */
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3444 public String getError() {
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3445 return error;
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3446 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3447
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3448 /**
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3449 * Read from the given input stream and write it to the server.
562
c640075da7c9 only comment improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 559
diff changeset
3450 *
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3451 * For text mode uploads, the data MUST be validly UTF-8 encoded.
626
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3452 *
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3453 * @param inputStream stream to read from
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3454 * @throws IOException when I/O problem occurs
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3455 */
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3456 public void uploadFrom(final InputStream inputStream) throws IOException {
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3457 final OutputStream s = getStream();
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3458 final byte[] buffer = new byte[64 * 1024];
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3459 while (true) {
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3460 int nread = inputStream.read(buffer);
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3461 if (nread < 0) {
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3462 break;
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3463 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3464 s.write(buffer, 0, nread);
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3465 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3466 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3467
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3468 /**
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3469 * Read data from the given buffered reader and send it to the server
626
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3470 *
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3471 * @param reader buffered reader to read from
551
5ce6a942aff3 Last minute API fix: 'int offset' -> 'long linesToSkip'
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 546
diff changeset
3472 * @param linesToSkip start uploading at line {@code offset}. Value 0 and 1
620
5ab170ddc66a Some small improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 617
diff changeset
3473 * both mean upload the whole file, value 2 means skip the first line, etc.
626
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3474 * @throws IOException when I/O problem occurs
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3475 */
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3476 public void uploadFrom(final BufferedReader reader, final long linesToSkip) throws IOException {
551
5ce6a942aff3 Last minute API fix: 'int offset' -> 'long linesToSkip'
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 546
diff changeset
3477 for (int i = 0; i < linesToSkip; i++) {
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3478 String line = reader.readLine();
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3479 if (line == null) {
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3480 return;
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3481 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3482 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3483
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3484 uploadFrom(reader);
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3485 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3486
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3487 /**
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3488 * Read data from the given buffered reader and send it to the server
626
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3489 *
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3490 * @param reader reader to read from
626
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3491 * @throws IOException when ...
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3492 */
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3493 public void uploadFrom(final Reader reader) throws IOException {
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3494 final OutputStream s = getStream();
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3495 final OutputStreamWriter writer = new OutputStreamWriter(s, StandardCharsets.UTF_8);
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3496 final char[] buffer = new char[64 * 1024];
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3497 while (true) {
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3498 int nread = reader.read(buffer, 0, buffer.length);
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3499 if (nread < 0) {
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3500 break;
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3501 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3502 writer.write(buffer, 0, nread);
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3503 }
617
15eb17b911a5 Only close the writer after the loop has finished
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 616
diff changeset
3504 writer.close();
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3505 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3506
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3507 /**
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3508 * Close opened {@link PrintStream}.
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3509 */
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3510 public void close() {
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3511 if (print != null) {
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3512 print.close();
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3513 print = null;
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3514 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3515 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3516 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3517
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3518 /**
541
31df6a12fd41 Make the MonetUploadHandler and MonetDownloadHandler interfaces part of MonetConnection
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 540
diff changeset
3519 * Handle passed to {@link DownloadHandler} to allow communication with the server
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3520 */
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3521 public static class Download {
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3522 private final MapiSocket server;
616
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3523 private boolean prependCr;
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3524 private MapiSocket.DownloadStream stream = null;
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3525 private String error = null;
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3526
616
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3527 Download(MapiSocket server, boolean textMode) {
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3528 this.server = server;
616
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3529 prependCr = false;
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3530 if (textMode) {
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3531 setLineSeparator(System.lineSeparator());
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3532 }
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3533 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3534
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3535 /**
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3536 * Send an error message to the server
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3537 *
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3538 * The server will generally let the currently executing statement fail
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3539 * with this error message. The connection will remain usable.
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3540 *
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3541 * This method can only be sent if no data has been received from the server
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3542 * yet. After data has been received, you can still throw an
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3543 * {@link IOException} but this will terminate the connection.
562
c640075da7c9 only comment improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 559
diff changeset
3544 *
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3545 * Note: as of MonetDB version Jul2021 the server always terminates the connection
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3546 * when this error is used. This will probably change in the future.
626
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3547 *
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3548 * @param errorMessage the error message to send
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3549 * @throws IOException when error message is null
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3550 */
620
5ab170ddc66a Some small improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 617
diff changeset
3551 public void sendError(final String errorMessage) throws IOException {
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3552 if (error != null) {
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3553 throw new IOException("another error has already been sent: " + error);
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3554 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3555 error = errorMessage;
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3556 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3557
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3558 /**
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3559 * Get an {@link InputStream} to read data from.
562
c640075da7c9 only comment improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 559
diff changeset
3560 *
616
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3561 * Textual data is UTF-8 encoded. If the download is in text mode, line endings
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3562 * are converted according to {@link java.lang.System#lineSeparator()}.
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3563 * This can be overridden with {@link Download#setLineSeparator(String)}.
626
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3564 *
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3565 * @return InputStream the stream to read from
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3566 * @throws IOException when error message exist or I/O problem occurs
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3567 */
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3568 public InputStream getStream() throws IOException {
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3569 if (error != null) {
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3570 throw new IOException("cannot receive data after error has been sent");
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3571 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3572 if (stream == null) {
616
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3573 stream = server.downloadStream(prependCr);
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3574 server.getOutputStream().flush();
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3575 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3576 return stream;
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3577 }
515
7bbcff2c775b Also implement downloadTo(), and use it in FileTransferHandler
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 514
diff changeset
3578
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3579 /**
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3580 * Write the data from the server to the given {@link OutputStream}.
626
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3581 *
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3582 * @param stream the OutputStream to write to
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3583 * @throws IOException when cannot read from InputStream or write to OutputStream
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3584 */
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3585 public void downloadTo(final OutputStream stream) throws IOException {
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3586 final InputStream s = getStream();
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3587 final byte[] buffer = new byte[65536];
515
7bbcff2c775b Also implement downloadTo(), and use it in FileTransferHandler
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 514
diff changeset
3588 while (true) {
7bbcff2c775b Also implement downloadTo(), and use it in FileTransferHandler
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 514
diff changeset
3589 int nread = s.read(buffer);
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3590 if (nread < 0) {
515
7bbcff2c775b Also implement downloadTo(), and use it in FileTransferHandler
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 514
diff changeset
3591 break;
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3592 }
515
7bbcff2c775b Also implement downloadTo(), and use it in FileTransferHandler
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 514
diff changeset
3593 stream.write(buffer, 0, nread);
7bbcff2c775b Also implement downloadTo(), and use it in FileTransferHandler
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 514
diff changeset
3594 }
7bbcff2c775b Also implement downloadTo(), and use it in FileTransferHandler
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 514
diff changeset
3595 }
7bbcff2c775b Also implement downloadTo(), and use it in FileTransferHandler
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 514
diff changeset
3596
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3597 /**
579
72f4437de9be Reencode downloads if necessary
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 576
diff changeset
3598 * Write the textual data from the server to the given {@link Writer}
626
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3599 *
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3600 * @param writer to write to
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3601 * @throws IOException when cannot read from InputStreamReader or write to Writer
579
72f4437de9be Reencode downloads if necessary
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 576
diff changeset
3602 */
72f4437de9be Reencode downloads if necessary
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 576
diff changeset
3603 public void downloadTo(final Writer writer) throws IOException {
72f4437de9be Reencode downloads if necessary
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 576
diff changeset
3604 final InputStream s = getStream();
72f4437de9be Reencode downloads if necessary
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 576
diff changeset
3605 final InputStreamReader r = new InputStreamReader(s, StandardCharsets.UTF_8);
72f4437de9be Reencode downloads if necessary
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 576
diff changeset
3606 final char[] buffer = new char[65536];
72f4437de9be Reencode downloads if necessary
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 576
diff changeset
3607 while (true) {
72f4437de9be Reencode downloads if necessary
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 576
diff changeset
3608 final int nread = r.read(buffer);
620
5ab170ddc66a Some small improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 617
diff changeset
3609 if (nread < 0) {
579
72f4437de9be Reencode downloads if necessary
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 576
diff changeset
3610 break;
620
5ab170ddc66a Some small improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 617
diff changeset
3611 }
579
72f4437de9be Reencode downloads if necessary
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 576
diff changeset
3612 writer.write(buffer, 0, nread);
72f4437de9be Reencode downloads if necessary
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 576
diff changeset
3613 }
72f4437de9be Reencode downloads if necessary
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 576
diff changeset
3614 }
72f4437de9be Reencode downloads if necessary
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 576
diff changeset
3615
72f4437de9be Reencode downloads if necessary
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 576
diff changeset
3616 /**
626
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3617 * @return true if data has been received or an error has been sent.
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3618 */
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3619 public boolean hasBeenUsed() {
620
5ab170ddc66a Some small improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 617
diff changeset
3620 return stream != null || error != null;
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3621 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3622
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3623 /**
554
9fa67487f38a Doc comment fixes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 553
diff changeset
3624 * @return the error that was sent, if any
535
c9d88af06d35 Javadoc and some minor changes
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 526
diff changeset
3625 */
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3626 public String getError() {
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3627 return error;
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3628 }
576
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3629
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3630 /**
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3631 * Close opened stream.
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3632 */
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3633 public void close() {
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3634 if (stream != null) {
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3635 try {
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3636 stream.close();
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3637 stream = null;
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3638 } catch (IOException e) {
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3639 /* ignore close error */
095e896f9d7a Updated comments. Improved code. Added final keywords
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 568
diff changeset
3640 }
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3641 }
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3642 }
616
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3643
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3644 /**
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3645 * Set the line endings used in the stream returned by {@link Download#getStream()}
626
06d69b82d409 Resolve javadoc error and warnings :
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 623
diff changeset
3646 *
616
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3647 * @param sep separator to use
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3648 * @throws IllegalArgumentException if sep is neither "\n" nor "\r\n"
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3649 */
620
5ab170ddc66a Some small improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 617
diff changeset
3650 public void setLineSeparator(final String sep) {
616
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3651 if ("\n".equals(sep)) {
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3652 prependCr = false;
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3653 } else if ("\r\n".equals(sep)) {
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3654 prependCr = true;
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3655 } else {
620
5ab170ddc66a Some small improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 617
diff changeset
3656 throw new IllegalArgumentException("sep must be \\n or \\r\\n");
616
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3657 }
65641a7cea31 Implement line ending conversion for downloads
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 613
diff changeset
3658 }
514
443780d71bae More renaming. user registers MonetUploadHandler which is handed an Upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 511
diff changeset
3659 }
613
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3660
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3661 public static class StripCrLfStream extends FilterOutputStream {
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3662 private boolean crPending = false;
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3663
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3664 public StripCrLfStream(OutputStream out) {
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3665 super(out);
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3666 }
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3667
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3668 public boolean pending() {
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3669 return this.crPending;
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3670 }
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3671
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3672 @Override
620
5ab170ddc66a Some small improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 617
diff changeset
3673 public void write(final int b) throws IOException {
613
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3674 if (crPending && b != '\n') {
620
5ab170ddc66a Some small improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 617
diff changeset
3675 out.write('\r');
613
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3676 }
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3677 if (b != '\r') {
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3678 out.write(b);
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3679 crPending = false;
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3680 } else {
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3681 crPending = true;
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3682 }
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3683 }
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3684
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3685 @Override
620
5ab170ddc66a Some small improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 617
diff changeset
3686 public void write(final byte[] b) throws IOException {
613
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3687 this.write(b, 0, b.length);
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3688 }
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3689
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3690 @Override
620
5ab170ddc66a Some small improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 617
diff changeset
3691 public void write(final byte[] b, int off, int len) throws IOException {
613
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3692 if (len == 0) {
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3693 return;
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3694 }
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3695 if (crPending && b[0] != '\n') {
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3696 out.write('\r');
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3697 }
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3698
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3699 // deal with final \r up front
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3700 if (b[len - 1] == '\r') {
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3701 crPending = true;
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3702 len -= 1;
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3703 } else {
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3704 crPending = false;
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3705 }
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3706
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3707 for (int i = off; i < off + len - 1; i++) {
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3708 if (b[i] == '\r' && b[i + 1] == '\n') {
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3709 int chunk = i - off;
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3710 out.write(b, off, chunk);
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3711 // chunk + 1 because we want to skip the \r
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3712 len -= chunk + 1;
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3713 off += chunk + 1;
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3714 // we don't have to look at the \n because we know it's no \r.
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3715 i++;
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3716 }
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3717 }
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3718
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3719 // write the remainder
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3720 out.write(b, off, len);
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3721 }
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3722
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3723 @Override
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3724 public void flush() throws IOException {
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3725 // we cannot flush our pending CR but we can ask our downstream to flush what we have sent them so far
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3726 out.flush();
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3727 }
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3728
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3729 @Override
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3730 public void close() throws IOException {
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3731 if (crPending) {
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3732 out.write('\r');
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3733 }
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3734 crPending = false;
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3735 super.close();
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3736 }
9397c0b487f8 Normalize CRLF on upload
Joeri van Ruth <joeri.van.ruth@monetdbsolutions.com>
parents: 610
diff changeset
3737 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3738 }