annotate src/main/java/nl/cwi/monetdb/jdbc/MonetConnection.java @ 136:4320e6891536

Replace AssertionError() with SQLException(). JDBC driver should not throw an AssertionError as it may stop the calling application.
author Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
date Thu, 13 Jul 2017 19:06:12 +0200 (2017-07-13)
parents b9b35ca2eec2
children d6abd1ffffbb
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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b9b35ca2eec2 Updated copyright year to 2017 in *.java files and MonetDriver.java.in and build.xml and version.sh
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6 * Copyright 1997 - July 2008 CWI, August 2008 - 2017 MonetDB B.V.
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7 */
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8
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9 package nl.cwi.monetdb.jdbc;
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10
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11 import java.io.File;
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12 import java.io.IOException;
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13 import java.net.SocketException;
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14 import java.net.SocketTimeoutException;
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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.SQLException;
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21 import java.sql.SQLFeatureNotSupportedException;
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22 import java.sql.SQLWarning;
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23 import java.sql.Savepoint;
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24 import java.sql.Statement;
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25 import java.util.ArrayList;
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26 import java.util.Calendar;
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27 import java.util.HashMap;
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28 import java.util.List;
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29 import java.util.Map;
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30 import java.util.Map.Entry;
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31 import java.util.Properties;
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32 import java.util.WeakHashMap;
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33 import java.util.concurrent.Executor;
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34 import java.util.concurrent.locks.Condition;
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35 import java.util.concurrent.locks.Lock;
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36 import java.util.concurrent.locks.ReentrantLock;
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37
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38 import nl.cwi.monetdb.jdbc.types.INET;
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39 import nl.cwi.monetdb.jdbc.types.URL;
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40 import nl.cwi.monetdb.mcl.MCLException;
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41 import nl.cwi.monetdb.mcl.io.BufferedMCLReader;
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42 import nl.cwi.monetdb.mcl.io.BufferedMCLWriter;
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43 import nl.cwi.monetdb.mcl.net.MapiSocket;
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44 import nl.cwi.monetdb.mcl.parser.HeaderLineParser;
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45 import nl.cwi.monetdb.mcl.parser.MCLParseException;
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46 import nl.cwi.monetdb.mcl.parser.StartOfHeaderParser;
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47
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48 /**
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49 * A {@link Connection} suitable for the MonetDB database.
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50 *
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51 * This connection represents a connection (session) to a MonetDB
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52 * database. SQL statements are executed and results are returned within
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53 * the context of a connection. This Connection object holds a physical
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54 * connection to the MonetDB database.
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55 *
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56 * A Connection object's database should able to provide information
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57 * describing its tables, its supported SQL grammar, its stored
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58 * procedures, the capabilities of this connection, and so on. This
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59 * information is obtained with the getMetaData method.
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60 *
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61 * Note: By default a Connection object is in auto-commit mode, which
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62 * means that it automatically commits changes after executing each
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63 * statement. If auto-commit mode has been disabled, the method commit
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64 * must be called explicitly in order to commit changes; otherwise,
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65 * database changes will not be saved.
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66 *
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67 * The current state of this connection is that it nearly implements the
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68 * whole Connection interface.
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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 1.3
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73 */
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74 public class MonetConnection extends MonetWrapper implements Connection {
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75 /** the successful processed input properties */
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76 private final Properties conn_props = new Properties();
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77
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78 /** The hostname to connect to */
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79 private final String hostname;
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80 /** The port to connect on the host to */
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81 private int port = 0;
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82 /** The database to use (currently not used) */
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83 private final String database;
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84 /** The username to use when authenticating */
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85 private final String username;
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86 /** The password to use when authenticating */
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87 private final String password;
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88
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89 /** A connection to mserver5 using a TCP socket */
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90 private final MapiSocket server;
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91 /** The Reader from the server */
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92 private final BufferedMCLReader in;
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93 /** The Writer to the server */
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94 private final BufferedMCLWriter out;
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95
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96 /** A StartOfHeaderParser declared for reuse. */
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97 private StartOfHeaderParser sohp = new StartOfHeaderParser();
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98
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99 /** Whether this Connection is closed (and cannot be used anymore) */
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100 private boolean closed;
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101
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102 /** Whether this Connection is in autocommit mode */
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103 private boolean autoCommit = true;
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104
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105 /** The stack of warnings for this Connection object */
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106 private SQLWarning warnings = null;
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107 /** The Connection specific mapping of user defined types to Java
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108 * types */
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109 private Map<String,Class<?>> typeMap = new HashMap<String,Class<?>>() {
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110 private static final long serialVersionUID = 1L;
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111 {
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112 put("inet", INET.class);
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113 put("url", URL.class);
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114 }
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115 };
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116
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117 // See javadoc for documentation about WeakHashMap if you don't know what
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118 // it does !!!NOW!!! (only when you deal with it of course)
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119 /** A Map containing all (active) Statements created from this Connection */
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120 private Map<Statement,?> statements = new WeakHashMap<Statement, Object>();
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121
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122 /** The number of results we receive from the server at once */
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123 private int curReplySize = -1; // the server by default uses -1 (all)
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124
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125 /** A template to apply to each query (like pre and post fixes), filled in constructor */
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126 final String[] queryTempl = new String[3]; // pre, post, sep
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127
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128 /** A template to apply to each command (like pre and post fixes), filled in constructor */
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129 final String[] commandTempl = new String[3]; // pre, post, sep
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130
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131 /** the SQL language */
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132 final static int LANG_SQL = 0;
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133 /** the MAL language (officially *NOT* supported) */
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134 final static int LANG_MAL = 3;
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135 /** an unknown language */
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136 final static int LANG_UNKNOWN = -1;
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137 /** The language which is used */
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138 final int lang;
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139
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140 /** Whether or not BLOB is mapped to BINARY within the driver */
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141 private final boolean blobIsBinary;
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142
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143 /**
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144 * Constructor of a Connection for MonetDB. At this moment the
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145 * current implementation limits itself to storing the given host,
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146 * database, username and password for later use by the
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147 * createStatement() call. This constructor is only accessible to
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148 * classes from the jdbc package.
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149 *
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150 * @param props a Property hashtable holding the properties needed for connecting
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151 * @throws SQLException if a database error occurs
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152 * @throws IllegalArgumentException is one of the arguments is null or empty
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153 */
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154 MonetConnection(Properties props)
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155 throws SQLException, IllegalArgumentException
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156 {
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157 // get supported property values from the props argument.
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158 // When a value is found add it to the internal conn_props list for use by getClientInfo().
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159 this.hostname = props.getProperty("host");
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160 if (this.hostname != null)
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161 conn_props.setProperty("host", this.hostname);
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162
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163 String port_prop = props.getProperty("port");
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164 if (port_prop != null) {
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165 try {
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166 this.port = Integer.parseInt(port_prop);
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167 } catch (NumberFormatException e) {
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168 addWarning("Unable to parse port number from: " + port_prop, "M1M05");
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169 }
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170 conn_props.setProperty("port", Integer.toString(this.port));
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171 }
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172
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173 this.database = props.getProperty("database");
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174 if (this.database != null)
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175 conn_props.setProperty("database", this.database);
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176
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177 this.username = props.getProperty("user");
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178 if (this.username != null)
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179 conn_props.setProperty("user", this.username);
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180
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181 this.password = props.getProperty("password");
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182 if (this.password != null)
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183 conn_props.setProperty("password", this.password);
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184
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185 String language = props.getProperty("language");
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186 if (language != null)
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187 conn_props.setProperty("language", language);
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188
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189 boolean debug = false;
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190 String debug_prop = props.getProperty("debug");
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191 if (debug_prop != null) {
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192 debug = Boolean.parseBoolean(debug_prop);
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193 conn_props.setProperty("debug", Boolean.toString(debug));
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194 }
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195
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196 String hash = props.getProperty("hash");
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197 if (hash != null)
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198 conn_props.setProperty("hash", hash);
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199
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200 String blobIsBinary_prop = props.getProperty("treat_blob_as_binary");
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201 if (blobIsBinary_prop != null) {
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202 blobIsBinary = Boolean.parseBoolean(blobIsBinary_prop);
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203 conn_props.setProperty("treat_blob_as_binary", Boolean.toString(blobIsBinary));
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204 } else {
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205 blobIsBinary = false;
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206 }
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207
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208 int sockTimeout = 0;
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209 String so_timeout_prop = props.getProperty("so_timeout");
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210 if (so_timeout_prop != null) {
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211 try {
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212 sockTimeout = Integer.parseInt(so_timeout_prop);
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213 if (sockTimeout < 0) {
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214 addWarning("Negative socket timeout not allowed. Value ignored", "M1M05");
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215 sockTimeout = 0;
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216 }
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217 } catch (NumberFormatException e) {
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218 addWarning("Unable to parse socket timeout number from: " + so_timeout_prop, "M1M05");
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219 }
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220 conn_props.setProperty("so_timeout", Integer.toString(sockTimeout));
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221 }
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222
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223 // check mandatory input arguments
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224 if (hostname == null || hostname.isEmpty())
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225 throw new IllegalArgumentException("Missing or empty host name");
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226 if (port <= 0)
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227 throw new IllegalArgumentException("Invalid port number. It should not be " + (port < 0 ? "negative" : "0"));
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228 if (username == null || username.isEmpty())
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229 throw new IllegalArgumentException("Missing or empty user name");
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230 if (password == null || password.isEmpty())
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231 throw new IllegalArgumentException("Missing or empty password");
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232 if (language == null || language.isEmpty()) {
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233 // fallback to default language: sql
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234 language = "sql";
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235 addWarning("No language specified, defaulting to 'sql'", "M1M05");
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236 }
0
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237
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238 server = new MapiSocket();
45
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239 if (hash != null)
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diff changeset
240 server.setHash(hash);
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
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diff changeset
241 if (database != null)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff changeset
242 server.setDatabase(database);
0
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parents:
diff changeset
243 server.setLanguage(language);
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
244
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diff changeset
245 // 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
246 if (debug) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
247 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
248 String fname = props.getProperty("logfile", "monet_" +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
249 System.currentTimeMillis() + ".log");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
250 File f = new File(fname);
25
5ec116ba7d71 When single character use faster version of indexOf(<char>)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 8
diff changeset
251 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
252 if (ext < 0)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
253 ext = fname.length();
0
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diff changeset
254 String pre = fname.substring(0, ext);
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diff changeset
255 String suf = fname.substring(ext);
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
256
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
257 for (int i = 1; f.exists(); i++) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
258 f = new File(pre + "-" + i + suf);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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259 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
260
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
261 server.debug(f.getAbsolutePath());
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
262 } catch (IOException ex) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
263 throw new SQLException("Opening logfile failed: " + ex.getMessage(), "08M01");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
264 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
265 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
266
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
267 try {
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
268 List<String> warnings = server.connect(hostname, port, username, password);
0
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diff changeset
269 for (String warning : warnings) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
270 addWarning(warning, "01M02");
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271 }
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
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parents: 25
diff changeset
272
0
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diff changeset
273 // apply NetworkTimeout value from legacy (pre 4.1) driver
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Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
274 // so_timeout calls
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diff changeset
275 server.setSoTimeout(sockTimeout);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
276
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
277 in = server.getReader();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
278 out = server.getWriter();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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279
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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280 String error = in.waitForPrompt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
281 if (error != null)
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
282 throw new SQLException((error.length() > 6) ? error.substring(6) : error, "08001");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
283 } catch (IOException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
284 throw new SQLException("Unable to connect (" + hostname + ":" + port + "): " + e.getMessage(), "08006");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
285 } catch (MCLParseException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
286 throw new SQLException(e.getMessage(), "08001");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
287 } catch (MCLException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
288 String[] connex = e.getMessage().split("\n");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
289 SQLException sqle = new SQLException(connex[0], "08001", e);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
290 for (int i = 1; i < connex.length; i++) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
291 sqle.setNextException(new SQLException(connex[1], "08001"));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
292 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
293 throw sqle;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
294 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
295
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
296 // 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
297 // language used and language specific query templates
0
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diff changeset
298 if ("sql".equals(language)) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
299 lang = LANG_SQL;
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
300
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
301 queryTempl[0] = "s"; // pre
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
302 queryTempl[1] = "\n;"; // post
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
303 queryTempl[2] = "\n;\n"; // separator
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
304
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
305 commandTempl[0] = "X"; // pre
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
306 commandTempl[1] = null; // post
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
307 commandTempl[2] = "\nX"; // separator
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
308 } 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
309 lang = LANG_MAL;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
310
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
311 queryTempl[0] = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
312 queryTempl[1] = ";\n";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
313 queryTempl[2] = ";\n";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
314
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
315 commandTempl[0] = null; // pre
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
316 commandTempl[1] = null; // post
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
317 commandTempl[2] = null; // separator
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
318 } else {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
319 lang = LANG_UNKNOWN;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
320 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
321
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
322 // 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
323 if (lang == LANG_SQL) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
324 // enable auto commit
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
325 setAutoCommit(true);
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
326
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
327 // set our time zone on the server
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
328 Calendar cal = Calendar.getInstance();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
329 int offset = cal.get(Calendar.ZONE_OFFSET) + cal.get(Calendar.DST_OFFSET);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
330 offset /= (60 * 1000); // milliseconds to minutes
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
331 String tz = offset < 0 ? "-" : "+";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
332 tz += (Math.abs(offset) / 60 < 10 ? "0" : "") + (Math.abs(offset) / 60) + ":";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
333 offset -= (offset / 60) * 60;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
334 tz += (offset < 10 ? "0" : "") + offset;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
335 sendIndependentCommand("SET TIME ZONE INTERVAL '" + tz + "' HOUR TO MINUTE");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
336 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
337
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
338 // 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
339 closed = false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
340 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
341
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
342 //== methods of interface Connection
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
343
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
344 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
345 * 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
346 * 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
347 * new warning is reported for this Connection object.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
348 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
349 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
350 public void clearWarnings() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
351 warnings = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
352 }
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 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
355 * 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
356 * 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
357 * 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
358 * 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
359 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
360 * 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
361 * closed is a no-op.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
362 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
363 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
364 public void close() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
365 synchronized (server) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
366 for (Statement st : statements.keySet()) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
367 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
368 st.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
369 } catch (SQLException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
370 // better luck next time!
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
371 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
372 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
373 // close the socket
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
374 server.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
375 // close active SendThread if any
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
376 if (sendThread != null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
377 sendThread.shutdown();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
378 sendThread = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
379 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
380 // report ourselves as closed
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
381 closed = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
382 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
383 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
384
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
385 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
386 * 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
387 * 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
388 * 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
389 * auto-commit mode has been disabled.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
390 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
391 * @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
392 * Connection object is in auto-commit mode
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
393 * @see #setAutoCommit(boolean)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
394 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
395 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
396 public void commit() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
397 // 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
398 // 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
399 sendTransactionCommand("COMMIT");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
400 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
401
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
402 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
403 * 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
404 * database. SQL statements without parameters are normally
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
405 * 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
406 * 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
407 * PreparedStatement object.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
408 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
409 * 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
410 * default be type TYPE_FORWARD_ONLY and have a concurrency level of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
411 * CONCUR_READ_ONLY.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
412 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
413 * @return a new default Statement object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
414 * @throws SQLException if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
415 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
416 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
417 public Statement createStatement() 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
418 return createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY, ResultSet.HOLD_CURSORS_OVER_COMMIT);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
419 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
420
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
421 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
422 * 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
423 * 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
424 * 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
425 * result set type and concurrency to be overridden.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
426 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
427 * @param resultSetType a result set type; one of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
428 * ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
429 * or ResultSet.TYPE_SCROLL_SENSITIVE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
430 * @param resultSetConcurrency a concurrency type; one of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
431 * ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
432 * @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
433 * the given type and concurrency
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
434 * @throws SQLException if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
435 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
436 @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
437 public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException {
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
438 return createStatement(resultSetType, resultSetConcurrency, ResultSet.HOLD_CURSORS_OVER_COMMIT);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
439 }
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 * 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
443 * 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
444 * 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
445 * 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
446 * overridden.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
447 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
448 * @param resultSetType one of the following ResultSet constants:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
449 * ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
450 * or ResultSet.TYPE_SCROLL_SENSITIVE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
451 * @param resultSetConcurrency one of the following ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
452 * constants: ResultSet.CONCUR_READ_ONLY or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
453 * ResultSet.CONCUR_UPDATABLE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
454 * @param resultSetHoldability one of the following ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
455 * 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
456 * ResultSet.CLOSE_CURSORS_AT_COMMIT
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
457 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
458 * @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
459 * 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
460 * @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
461 * given parameters are not ResultSet constants indicating type,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
462 * concurrency, and holdability
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
463 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
464 @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
465 public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
466 try {
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
467 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
468 // 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
469 statements.put(ret, null);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
470 return ret;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
471 } catch (IllegalArgumentException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
472 throw new SQLException(e.toString(), "M0M03");
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 // we don't have to catch SQLException because that is declared to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
475 // be thrown
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
476 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
477
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
478 /**
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
479 * 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
480 *
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
481 * @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
482 * @see #setAutoCommit(boolean)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
483 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
484 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
485 public boolean getAutoCommit() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
486 return autoCommit;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
487 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
488
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
489 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
490 * Retrieves this Connection object's current catalog name.
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 * @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
493 * @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
494 * current language is not SQL
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
495 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
496 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
497 public String getCatalog() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
498 // MonetDB does NOT support catalogs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
499 return null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
500 }
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
501
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 * Retrieves the current holdability of ResultSet objects created
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
504 * using this Connection object.
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 * @return the holdability, one of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
507 * ResultSet.HOLD_CURSORS_OVER_COMMIT or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
508 * ResultSet.CLOSE_CURSORS_AT_COMMIT
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
509 * @see #setHoldability()
0
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 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
512 public int getHoldability() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
513 // 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
514 // CLOSE_CURSORS_AT_COMMIT
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
515 return ResultSet.HOLD_CURSORS_OVER_COMMIT;
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
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
518 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
519 * Retrieves a DatabaseMetaData object that contains metadata about
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
520 * 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
521 * connection. The metadata includes information about the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
522 * 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
523 * 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
524 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
525 * @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
526 * @return a DatabaseMetaData object for this Connection object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
527 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
528 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
529 public DatabaseMetaData getMetaData() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
530 if (lang != LANG_SQL)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
531 throw new SQLException("This method is only supported in SQL mode", "M0M04");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
532
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
533 return new MonetDatabaseMetaData(this);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
534 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
535
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
536 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
537 * Retrieves this Connection object's current transaction isolation
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
538 * level.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
539 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
540 * @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
541 * Connection.TRANSACTION_SERIALIZABLE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
542 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
543 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
544 public int getTransactionIsolation() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
545 return TRANSACTION_SERIALIZABLE;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
546 }
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 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
549 * 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
550 * 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
551 * will be empty.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
552 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
553 * @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
554 * object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
555 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
556 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
557 public Map<String,Class<?>> getTypeMap() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
558 return typeMap;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
559 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
560
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
561 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
562 * 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
563 * 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
564 * 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
565 * 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
566 * retrieved previously.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
567 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
568 * 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
569 * 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
570 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
571 * 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
572 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
573 * @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
574 * @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
575 * called on a closed connection
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 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
578 public SQLWarning getWarnings() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
579 if (closed)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
580 throw new SQLException("Cannot call on closed Connection", "M1M20");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
581
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
582 // 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
583 // specification.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
584 return warnings;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
585 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
586
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
587 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
588 * 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
589 * 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
590 * 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
591 * 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
592 * 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
593 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
594 * 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
595 * 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
596 * 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
597 * 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
598 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
599 * @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
600 * still open
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
601 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
602 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
603 public boolean isClosed() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
604 return closed;
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
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
607 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
608 * 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
609 * 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
610 * 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
611 * read-only mode.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
612 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
613 * @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
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 boolean isReadOnly() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
617 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
618 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
619
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
620 @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
621 public String nativeSQL(String 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
622 /* 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
623 /* 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
624 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
625 }
0
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 @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
628 public CallableStatement prepareCall(String 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
629 /* not implemented yet */
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
630 return null;
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
631 }
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
632
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
633 @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
634 public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) {
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
635 /* not implemented yet */
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
636 return null;
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
637 }
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
638
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
639 @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
640 public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) {
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
641 /* not implemented yet */
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
642 return null;
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
643 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
644
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
645 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
646 * Creates a PreparedStatement object for sending parameterized SQL
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
647 * 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
648 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
649 * 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
650 * 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
651 * 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
652 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
653 * 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
654 * statements that benefit from precompilation. If the driver
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
655 * supports precompilation, the method prepareStatement will send
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
656 * 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
657 * 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
658 * 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
659 * 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
660 * 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
661 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
662 * Result sets created using the returned PreparedStatement object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
663 * 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
664 * level of CONCUR_READ_ONLY.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
665 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
666 * @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
667 * parameter placeholders
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
668 * @return a new default PreparedStatement object containing the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
669 * pre-compiled SQL statement
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
670 * @throws SQLException if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
671 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
672 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
673 public PreparedStatement prepareStatement(String sql) 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
674 return prepareStatement(sql, ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY, ResultSet.HOLD_CURSORS_OVER_COMMIT);
0
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 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
678 * Creates a PreparedStatement object that will generate ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
679 * 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
680 * 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
681 * 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
682 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
683 * @param sql a String object that is the SQL statement to be sent to the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
684 * database; may contain one or more ? IN parameters
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
685 * @param resultSetType a result set type; one of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
686 * ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
687 * or ResultSet.TYPE_SCROLL_SENSITIVE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
688 * @param resultSetConcurrency a concurrency type; one of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
689 * ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
690 * @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
691 * 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
692 * type and concurrency
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
693 * @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
694 * parameters are not ResultSet constants indicating
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
695 * type and concurrency
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 @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
698 public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
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
699 return prepareStatement(sql, resultSetType, resultSetConcurrency, ResultSet.HOLD_CURSORS_OVER_COMMIT);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
700 }
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 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
703 * Creates a PreparedStatement object that will generate ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
704 * 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
705 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
706 * 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
707 * 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
708 * holdability to be overridden.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
709 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
710 * @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
711 * 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
712 * @param resultSetType one of the following ResultSet constants:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
713 * ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
714 * or ResultSet.TYPE_SCROLL_SENSITIVE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
715 * @param resultSetConcurrency one of the following ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
716 * constants: ResultSet.CONCUR_READ_ONLY or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
717 * ResultSet.CONCUR_UPDATABLE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
718 * @param resultSetHoldability one of the following ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
719 * 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
720 * ResultSet.CLOSE_CURSORS_AT_COMMIT
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
721 * @return a new PreparedStatement object, containing the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
722 * 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
723 * with the given type, concurrency, and holdability
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
724 * @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
725 * given parameters are not ResultSet constants indicating type,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
726 * concurrency, and holdability
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
727 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
728 @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
729 public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
730 throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
731 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
732 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
733 PreparedStatement ret = new MonetPreparedStatement(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
734 this,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
735 resultSetType,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
736 resultSetConcurrency,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
737 resultSetHoldability,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
738 sql
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
739 );
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
740 // 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
741 statements.put(ret, null);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
742 return ret;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
743 } catch (IllegalArgumentException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
744 throw new SQLException(e.toString(), "M0M03");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
745 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
746 // we don't have to catch SQLException because that is declared to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
747 // be thrown
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
748 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
749
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
750 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
751 * Creates a default PreparedStatement object that has the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
752 * 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
753 * 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
754 * 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
755 * 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
756 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
757 * 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
758 * statements that benefit from precompilation. If the driver
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
759 * supports precompilation, the method prepareStatement will send
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
760 * 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
761 * 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
762 * 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
763 * 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
764 * 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
765 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
766 * Result sets created using the returned PreparedStatement object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
767 * 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
768 * level of CONCUR_READ_ONLY.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
769 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
770 * @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
771 * parameter placeholders
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
772 * @param autoGeneratedKeys a flag indicating whether auto-generated
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
773 * keys should be returned; one of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
774 * Statement.RETURN_GENERATED_KEYS or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
775 * Statement.NO_GENERATED_KEYS
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
776 * @return a new PreparedStatement object, containing the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
777 * 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
778 * of returning auto-generated keys
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
779 * @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
780 * given parameter is not a Statement constant indicating
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
781 * whether auto-generated keys should be returned
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
782 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
783 @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
784 public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
785 if (autoGeneratedKeys != Statement.RETURN_GENERATED_KEYS &&
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
786 autoGeneratedKeys != Statement.NO_GENERATED_KEYS)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
787 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
788
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
789 /* MonetDB has no way to disable this, so just do the normal
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
790 * thing ;) */
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
791 return prepareStatement(sql, ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
792 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
793
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
794 /**
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
795 * 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
796 * 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
797 * 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
798 * 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
799 *
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 * 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
801 * 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
802 *
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
803 * 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
804 * 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
805 * 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
806 * 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
807 *
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
808 * 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
809 * 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
810 *
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
811 * Parameters:
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
812 * sql - an SQL statement that may contain one or more '?' IN parameter placeholders
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
813 * columnIndexes - an array of column indexes indicating the columns that should be returned from the inserted row or rows
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
814 * Returns:
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
815 * a new PreparedStatement object, containing the pre-compiled statement, that is capable of
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
816 * returning the auto-generated keys designated by the given array of column indexes
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
817 * Throws:
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
818 * SQLException - if a database access error occurs or this method is called on a closed connection
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
819 * SQLFeatureNotSupportedException - if the JDBC driver does not support this method
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
820 */
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
821 @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
822 public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException {
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
823 throw new SQLFeatureNotSupportedException("prepareStatement(String sql, int[] columnIndexes) not supported", "0A000");
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
824 }
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
825
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
826 /**
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
827 * 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
828 * 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
829 * 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
830 * 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
831 *
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
832 * 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
833 * 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
834 *
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
835 * 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
836 * 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
837 * 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
838 * 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
839 *
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
840 * 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
841 * 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
842 *
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
843 * Parameters:
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
844 * sql - an SQL statement that may contain one or more '?' IN parameter placeholders
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
845 * columnNames - an array of column names indicating the columns that should be returned from the inserted row or rows
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
846 * Returns:
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
847 * a new PreparedStatement object, containing the pre-compiled statement, that is capable of
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
848 * returning the auto-generated keys designated by the given array of column names
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
849 * Throws:
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
850 * SQLException - if a database access error occurs or this method is called on a closed connection
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
851 * SQLFeatureNotSupportedException - if the JDBC driver does not support this method
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
852 */
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
853 @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
854 public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException {
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
855 throw new SQLFeatureNotSupportedException("prepareStatement(String sql, String[] columnNames) not supported", "0A000");
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
856 }
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 * 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
860 * 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
861 * cause an SQLException to be thrown.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
862 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
863 * @param savepoint the Savepoint object to be removed
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
864 * @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
865 * 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
866 * transaction
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
867 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
868 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
869 public void releaseSavepoint(Savepoint savepoint) throws SQLException {
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
870 if (!(savepoint instanceof MonetSavepoint))
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
871 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
872
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
873 MonetSavepoint sp = (MonetSavepoint)savepoint;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
874
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
875 // 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
876 // 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
877 sendTransactionCommand("RELEASE SAVEPOINT " + sp.getName());
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
878 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
879
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
880 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
881 * 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
882 * 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
883 * 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
884 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
885 * @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
886 * Connection object is in auto-commit mode
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
887 * @see #setAutoCommit(boolean)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
888 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
889 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
890 public void rollback() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
891 // 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
892 // 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
893 sendTransactionCommand("ROLLBACK");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
894 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
895
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
896 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
897 * 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
898 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
899 * 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
900 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
901 * @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
902 * @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
903 * 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
904 * object is currently in auto-commit mode
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 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
907 public void rollback(Savepoint savepoint) throws SQLException {
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
908 if (!(savepoint instanceof MonetSavepoint))
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
909 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
910
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
911 MonetSavepoint sp = (MonetSavepoint)savepoint;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
912
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
913 // 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
914 // 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
915 sendTransactionCommand("ROLLBACK TO SAVEPOINT " + sp.getName());
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
916 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
917
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
918 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
919 * 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
920 * 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
921 * will be executed and committed as individual transactions.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
922 * 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
923 * 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
924 * 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
925 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
926 * 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
927 * 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
928 * 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
929 * 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
930 * 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
931 * 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
932 * 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
933 * 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
934 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
935 * 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
936 * transaction is committed.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
937 *
8
a27ee2cb14a0 Replace String methods equals("") and "".equals( with isEmpty()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 0
diff changeset
938 * @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
939 * @throws SQLException if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
940 * @see #getAutoCommit()
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
941 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
942 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
943 public void setAutoCommit(boolean autoCommit) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
944 if (this.autoCommit != autoCommit) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
945 sendControlCommand("auto_commit " + (autoCommit ? "1" : "0"));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
946 this.autoCommit = autoCommit;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
947 }
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
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
950 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
951 * 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
952 * 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
953 * 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
954 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
955 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
956 public void setCatalog(String catalog) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
957 // 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
958 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
959
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
960 /**
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
961 * 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
962 * 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
963 * 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
964 *
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
965 * @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
966 * 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
967 * ResultSet.CLOSE_CURSORS_AT_COMMIT
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
968 * @see #getHoldability()
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
969 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
970 @Override
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
971 public void setHoldability(int holdability) throws SQLException {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
972 // 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
973 if (holdability != 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
974 throw new SQLFeatureNotSupportedException("setHoldability(CLOSE_CURSORS_AT_COMMIT) not supported", "0A000");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
975 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
976
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
977 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
978 * 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
979 * 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
980 * 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
981 * to true here.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
982 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
983 * @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
984 * @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
985 * method is called during a transaction.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
986 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
987 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
988 public void setReadOnly(boolean readOnly) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
989 if (readOnly == true)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
990 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
991 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
992
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
993 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
994 * 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
995 * returns the new Savepoint object that represents it.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
996 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
997 * @return the new Savepoint object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
998 * @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
999 * object is currently in auto-commit mode
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1000 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1001 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1002 public Savepoint setSavepoint() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1003 // create a new Savepoint object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1004 MonetSavepoint sp = new MonetSavepoint();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1005
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1006 // 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
1007 // 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
1008 sendTransactionCommand("SAVEPOINT " + sp.getName());
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1009 return sp;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1010 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1011
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1012 /**
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1013 * 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
1014 * 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
1015 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1016 * @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
1017 * @return the new Savepoint object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1018 * @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
1019 * object is currently in auto-commit mode
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1020 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1021 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1022 public Savepoint setSavepoint(String name) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1023 // create a new Savepoint object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1024 MonetSavepoint sp;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1025 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1026 sp = new MonetSavepoint(name);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1027 } catch (IllegalArgumentException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1028 throw new SQLException(e.getMessage(), "M0M03");
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 // 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
1032 // 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
1033 sendTransactionCommand("SAVEPOINT " + sp.getName());
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1034 return sp;
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
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1037 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1038 * 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
1039 * 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
1040 * 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
1041 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1042 * @param level one of the following Connection constants:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1043 * Connection.TRANSACTION_READ_UNCOMMITTED,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1044 * Connection.TRANSACTION_READ_COMMITTED,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1045 * Connection.TRANSACTION_REPEATABLE_READ, or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1046 * Connection.TRANSACTION_SERIALIZABLE.
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 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1049 public void setTransactionIsolation(int level) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1050 if (level != TRANSACTION_SERIALIZABLE) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1051 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
1052 "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
1053 "raised to TRANSACTION_SERIALIZABLE", "01M09");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1054 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1055 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1056
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 * 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
1059 * 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
1060 * mapping of SQL structured types and distinct types.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1061 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1062 * @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
1063 * this Connection object's default type map
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1064 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1065 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1066 public void setTypeMap(Map<String, Class<?>> map) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1067 typeMap = map;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1068 }
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 /**
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1071 * 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
1072 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1073 * @return a String representing this Object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1074 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1075 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1076 public String toString() {
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1077 return "MonetDB Connection (" + getJDBCURL() + ") " +
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1078 (closed ? "connected" : "disconnected");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1079 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1080
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1081 //== 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
1082
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1083 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1084 * 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
1085 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1086 * 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
1087 * 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
1088 * 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
1089 * 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
1090 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1091 * 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
1092 * 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
1093 * 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
1094 * 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
1095 * 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
1096 * 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
1097 * 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
1098 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1099 * @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
1100 * 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
1101 * 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
1102 * 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
1103 * 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
1104 * @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
1105 * @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
1106 * 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
1107 * @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
1108 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1109 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1110 @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
1111 public java.sql.Array createArrayOf(String typeName, Object[] elements) throws SQLException {
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1112 throw new SQLFeatureNotSupportedException("createArrayOf() not supported", "0A000");
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1113 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1114
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1115
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1116 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1117 * 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
1118 * 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
1119 * 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
1120 * 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
1121 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1122 * @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
1123 * @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
1124 * 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
1125 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1126 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1127 @Override
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1128 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
1129 return new MonetClob("");
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1130 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1131
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1132 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1133 * 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
1134 * 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
1135 * 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
1136 * data to the Blob.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1137 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1138 * @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
1139 * @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
1140 * 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
1141 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1142 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1143 @Override
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1144 public java.sql.Blob createBlob() throws SQLException {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1145 byte[] buf = new byte[1];
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1146 return new MonetBlob(buf);
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1147 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1148
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1149 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1150 * 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
1151 * 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
1152 * 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
1153 * 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
1154 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1155 * @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
1156 * @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
1157 * 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
1158 * @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
1159 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1160 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1161 @Override
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1162 public java.sql.NClob createNClob() throws SQLException {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1163 throw new SQLFeatureNotSupportedException("createNClob() not supported", "0A000");
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1164 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1165
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1166 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1167 * 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
1168 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1169 * @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
1170 * 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
1171 * 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
1172 * 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
1173 * @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
1174 * @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
1175 * 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
1176 * @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
1177 * 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
1178 * @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
1179 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1180 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1181 @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
1182 public java.sql.Struct createStruct(String typeName, Object[] attributes) throws SQLException {
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1183 throw new SQLFeatureNotSupportedException("createStruct() not supported", "0A000");
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1184 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1185
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1186 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1187 * 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
1188 * 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
1189 * 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
1190 * 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
1191 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1192 * @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
1193 * @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
1194 * 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
1195 * @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
1196 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1197 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1198 @Override
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1199 public java.sql.SQLXML createSQLXML() throws SQLException {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1200 throw new SQLFeatureNotSupportedException("createSQLXML() not supported", "0A000");
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1201 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1202
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1203 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1204 * 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
1205 * 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
1206 * 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
1207 * 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
1208 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1209 * 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
1210 * 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
1211 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1212 * @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
1213 * 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
1214 * 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
1215 * 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
1216 * 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
1217 * @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
1218 * @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
1219 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1220 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1221 @Override
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1222 public boolean isValid(int timeout) throws SQLException {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1223 if (timeout < 0)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1224 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
1225 if (closed)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1226 return false;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1227
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1228 // ping db using query: select 1;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1229 Statement stmt = null;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1230 ResultSet rs = null;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1231 try {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1232 stmt = createStatement();
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1233 stmt.setQueryTimeout(timeout);
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1234 rs = stmt.executeQuery("SELECT 1");
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1235 rs.close();
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1236 rs = null;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1237 stmt.close();
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1238 return true;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1239 } catch (Exception e) {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1240 if (rs != null) {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1241 try {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1242 rs.close();
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1243 } catch (Exception e2) {}
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1244 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1245 if (stmt != null) {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1246 try {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1247 stmt.close();
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1248 } catch (Exception e2) {}
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 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1251 return false;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1252 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1253
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1254 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1255 * 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
1256 * 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
1257 * 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
1258 * 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
1259 * 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
1260 * 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
1261 * 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
1262 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1263 * @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
1264 * @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
1265 * @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
1266 * 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
1267 * 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
1268 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1269 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1270 @Override
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1271 public String getClientInfo(String name) throws SQLException {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1272 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
1273 return null;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1274 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
1275 }
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 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1278 * 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
1279 * 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
1280 * 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
1281 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1282 * @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
1283 * 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
1284 * @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
1285 * 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
1286 * 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
1287 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1288 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1289 @Override
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1290 public Properties getClientInfo() throws SQLException {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1291 // 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
1292 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
1293 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1294
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1295 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1296 * 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
1297 * 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
1298 * 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
1299 * for each property.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1300 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1301 * 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
1302 * 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
1303 * 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
1304 * 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
1305 * 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
1306 * 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
1307 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1308 * 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
1309 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1310 * 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
1311 * 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
1312 * 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
1313 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1314 * 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
1315 * 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
1316 * 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
1317 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1318 * 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
1319 * 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
1320 * 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
1321 * 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
1322 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1323 * @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
1324 * @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
1325 * 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
1326 * @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
1327 * 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
1328 * 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
1329 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1330 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1331 @Override
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1332 public void setClientInfo(String name, String value) throws java.sql.SQLClientInfoException {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1333 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
1334 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
1335 return;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1336 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1337 // 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
1338 if (value == null) {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1339 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
1340 conn_props.remove(name);
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1341 return;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1342 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1343 // only set value for supported property names
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1344 if (name.equals("host") ||
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1345 name.equals("port") ||
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1346 name.equals("user") ||
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1347 name.equals("password") ||
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1348 name.equals("database") ||
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1349 name.equals("language") ||
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1350 name.equals("so_timeout") ||
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1351 name.equals("debug") ||
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1352 name.equals("hash") ||
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1353 name.equals("treat_blob_as_binary")) {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1354 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
1355 } else {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1356 addWarning("setClientInfo: " + name + "is not a recognised property", "01M07");
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 return;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1359 }
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 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1362 * 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
1363 * 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
1364 * 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
1365 * 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
1366 * 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
1367 * 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
1368 * 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
1369 * 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
1370 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1371 * 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
1372 * 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
1373 * 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
1374 * 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
1375 * 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
1376 * 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
1377 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1378 * @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
1379 * @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
1380 * 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
1381 * 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
1382 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1383 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1384 @Override
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1385 public void setClientInfo(Properties props) throws java.sql.SQLClientInfoException {
47
562dbfb2fee8 Prevent null pointer exception by checking props argument
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 45
diff changeset
1386 if (props != null) {
562dbfb2fee8 Prevent null pointer exception by checking props argument
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 45
diff changeset
1387 for (Entry<Object, Object> entry : props.entrySet()) {
562dbfb2fee8 Prevent null pointer exception by checking props argument
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 45
diff changeset
1388 setClientInfo(entry.getKey().toString(),
562dbfb2fee8 Prevent null pointer exception by checking props argument
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 45
diff changeset
1389 entry.getValue().toString());
562dbfb2fee8 Prevent null pointer exception by checking props argument
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 45
diff changeset
1390 }
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1391 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1392 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1393
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1394
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1395 //== Java 1.7 methods (JDBC 4.1)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1396
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1397 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1398 * Sets the given schema name to access.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1399 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1400 * @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
1401 * @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
1402 * 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
1403 * @since 1.7
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1404 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1405 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1406 public void setSchema(String schema) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1407 if (closed)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1408 throw new SQLException("Cannot call on closed Connection", "M1M20");
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1409 if (schema == null)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1410 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
1411
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1412 Statement st = createStatement();
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1413 try {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1414 st.execute("SET SCHEMA \"" + schema + "\"");
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1415 } finally {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1416 st.close();
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1417 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1418 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1419
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1420 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1421 * Retrieves this Connection object's current schema name.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1422 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1423 * @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
1424 * @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
1425 * 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
1426 * @since 1.7
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1427 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1428 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1429 public String getSchema() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1430 if (closed)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1431 throw new SQLException("Cannot call on closed Connection", "M1M20");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1432
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1433 String cur_schema;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1434 Statement st = createStatement();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1435 ResultSet rs = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1436 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1437 rs = st.executeQuery("SELECT CURRENT_SCHEMA");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1438 if (!rs.next())
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1439 throw new SQLException("Row expected", "02000");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1440 cur_schema = rs.getString(1);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1441 } finally {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1442 if (rs != null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1443 rs.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1444 st.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1445 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1446 return cur_schema;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1447 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1448
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1449 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1450 * Terminates an open connection. Calling abort results in:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1451 * * The connection marked as closed
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1452 * * Closes any physical connection to the database
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1453 * * Releases resources used by the connection
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1454 * * 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
1455 * 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
1456 * SQLException.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1457 * 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
1458 * 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
1459 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1460 * @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
1461 * abort
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1462 * @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
1463 * executor is null
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1464 * @throws SecurityException if a security manager exists and
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1465 * 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
1466 * @since 1.7
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1467 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1468 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1469 public void abort(Executor executor) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1470 if (closed)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1471 return;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1472 if (executor == null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1473 throw new SQLException("executor is null", "M1M05");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1474 // 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
1475 // everything (in particular the server connection)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1476 close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1477 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1478
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1479 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1480 * 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
1481 * 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
1482 * 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
1483 * 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
1484 * 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
1485 * 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
1486 * 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
1487 * SQLException.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1488 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1489 * @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
1490 * setNetworkTimeout
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1491 * @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
1492 * database operation to complete
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1493 * @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
1494 * 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
1495 * 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
1496 * @since 1.7
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1497 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1498 @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
1499 public void setNetworkTimeout(Executor executor, int millis) throws SQLException {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1500 if (closed)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1501 throw new SQLException("Cannot call on closed Connection", "M1M20");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1502 if (executor == null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1503 throw new SQLException("executor is null", "M1M05");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1504 if (millis < 0)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1505 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
1506
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1507 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1508 server.setSoTimeout(millis);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1509 } catch (SocketException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1510 throw new SQLException(e.getMessage(), "08000");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1511 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1512 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1513
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1514 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1515 * 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
1516 * 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
1517 * SQLException is thrown.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1518 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1519 * @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
1520 * there is no limit
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1521 * @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
1522 * 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
1523 * @since 1.7
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1524 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1525 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1526 public int getNetworkTimeout() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1527 if (closed)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1528 throw new SQLException("Cannot call on closed Connection", "M1M20");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1529
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1530 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1531 return server.getSoTimeout();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1532 } catch (SocketException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1533 throw new SQLException(e.getMessage(), "08000");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1534 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1535 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1536
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1537
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1538 //== 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
1539
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1540
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1541 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1542 * Returns the MonetDB JDBC Connection URL (without user name and password).
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1543 * Defined as public because it is called from: MonetDatabaseMetaData.java getURL()
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1544 */
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1545 public String getJDBCURL() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1546 String language = "";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1547 if (lang == LANG_MAL)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1548 language = "?language=mal";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1549 return "jdbc:monetdb://" + hostname + ":" + port + "/" +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1550 database + language;
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 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1554 * Returns whether the BLOB type should be mapped to BINARY type.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1555 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1556 boolean getBlobAsBinary() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1557 return blobIsBinary;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1558 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1559
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
1560
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
1561 /**
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
1562 * 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
1563 * 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
1564 * 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
1565 *
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
1566 * @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
1567 * @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
1568 */
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
1569 private void sendTransactionCommand(String command) throws SQLException {
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
1570 // create a container for the result
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
1571 ResponseList l = new ResponseList(0, 0, ResultSet.FETCH_FORWARD, ResultSet.CONCUR_READ_ONLY);
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
1572 // 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
1573 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
1574 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
1575 } 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
1576 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
1577 }
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
1578 }
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
1579
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1580 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1581 * Sends the given string to MonetDB as regular statement, making
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1582 * sure there is a prompt after the command is sent. All possible
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1583 * returned information is discarded. Encountered errors are
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1584 * reported.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1585 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1586 * @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
1587 * @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
1588 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1589 void sendIndependentCommand(String command) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1590 synchronized (server) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1591 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1592 out.writeLine(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1593 (queryTempl[0] == null ? "" : queryTempl[0]) +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1594 command +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1595 (queryTempl[1] == null ? "" : queryTempl[1]));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1596 String error = in.waitForPrompt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1597 if (error != null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1598 throw new SQLException(error.substring(6),
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1599 error.substring(0, 5));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1600 } catch (SocketTimeoutException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1601 close(); // JDBC 4.1 semantics: abort()
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1602 throw new SQLException("connection timed out", "08M33");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1603 } catch (IOException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1604 throw new SQLException(e.getMessage(), "08000");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1605 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1606 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1607 }
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 * Sends the given string to MonetDB as control statement, making
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1611 * sure there is a prompt after the command is sent. All possible
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1612 * returned information is discarded. Encountered errors are
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1613 * reported.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1614 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1615 * @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
1616 * @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
1617 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1618 void sendControlCommand(String command) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1619 // send X command
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1620 synchronized (server) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1621 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1622 out.writeLine(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1623 (commandTempl[0] == null ? "" : commandTempl[0]) +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1624 command +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1625 (commandTempl[1] == null ? "" : commandTempl[1]));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1626 String error = in.waitForPrompt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1627 if (error != null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1628 throw new SQLException(error.substring(6),
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1629 error.substring(0, 5));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1630 } catch (SocketTimeoutException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1631 close(); // JDBC 4.1 semantics, abort()
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1632 throw new SQLException("connection timed out", "08M33");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1633 } catch (IOException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1634 throw new SQLException(e.getMessage(), "08000");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1635 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1636 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1637 }
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 * 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
1641 * 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
1642 * 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
1643 * appended to the current warning.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1644 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1645 * @param reason the warning message
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1646 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1647 void addWarning(String reason, String sqlstate) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1648 if (warnings == null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1649 warnings = new SQLWarning(reason, sqlstate);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1650 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1651 warnings.setNextWarning(new SQLWarning(reason, sqlstate));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1652 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1653 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1654
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1655 /** the default number of rows that are (attempted to) read at once */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1656 private final static int DEF_FETCHSIZE = 250;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1657 /** The sequence counter */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1658 private static int seqCounter = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1659
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1660 /** An optional thread that is used for sending large queries */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1661 private SendThread sendThread = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1662
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1663 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1664 * 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
1665 * 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
1666 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1667 // {{{ interface Response
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1668 interface Response {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1669 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1670 * 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
1671 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1672 * @param line the header line as String
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1673 * @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
1674 * @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
1675 * or additional lines are not allowed.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1676 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1677 public abstract String addLine(String line, int linetype);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1678
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 * Returns whether this Reponse expects more lines to be added
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1681 * to it.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1682 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1683 * @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
1684 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1685 public abstract boolean wantsMore();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1686
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1687 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1688 * 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
1689 * Response implementation.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1690 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1691 * @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
1692 * consistent or sufficient.
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 public abstract void complete() throws SQLException;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1695
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1696 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1697 * 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
1698 * necessary clean up procedures.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1699 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1700 * @throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1701 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1702 public abstract void close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1703 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1704 // }}}
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1705
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1706 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1707 * 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
1708 * 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
1709 * Response look like:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1710 * <pre>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1711 * &amp;1 1 28 2 10
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1712 * # name, value # name
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1713 * # varchar, varchar # type
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1714 * </pre>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1715 * there the first line consists out of<br />
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1716 * <tt>&amp;"qt" "id" "tc" "cc" "rc"</tt>.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1717 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1718 // {{{ ResultSetResponse class implementation
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1719 class ResultSetResponse implements Response {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1720 /** The number of columns in this result */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1721 public final int columncount;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1722 /** The total number of rows this result set has */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1723 public final int tuplecount;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1724 /** The numbers of rows to retrieve per DataBlockResponse */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1725 private int cacheSize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1726 /** The table ID of this result */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1727 public final int id;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1728 /** The names of the columns in this result */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1729 private String[] name;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1730 /** The types of the columns in this result */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1731 private String[] type;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1732 /** 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
1733 private int[] columnLengths;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1734 /** The table for each column in this result */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1735 private String[] tableNames;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1736 /** The query sequence number */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1737 private final int seqnr;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1738 /** 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
1739 private DataBlockResponse[] resultBlocks;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1740
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1741 /** A bitmap telling whether the headers are set or not */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1742 private boolean[] isSet;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1743 /** Whether this Response is closed */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1744 private boolean closed;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1745
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1746 /** The Connection that we should use when requesting a new block */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1747 private MonetConnection.ResponseList parent;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1748 /** Whether the fetchSize was explitly set by the user */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1749 private boolean cacheSizeSetExplicitly = false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1750 /** 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
1751 * if we close this Response */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1752 private boolean destroyOnClose;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1753 /** the offset to be used on Xexport queries */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1754 private int blockOffset = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1755
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1756 /** A parser for header lines */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1757 HeaderLineParser hlp;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1758
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1759 private final static int NAMES = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1760 private final static int TYPES = 1;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1761 private final static int TABLES = 2;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1762 private final static int LENS = 3;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1763
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1764
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1765 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1766 * Sole constructor, which requires a MonetConnection parent to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1767 * be given.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1768 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1769 * @param id the ID of the result set
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1770 * @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
1771 * @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
1772 * @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
1773 * @param parent the parent that created this Response and will
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1774 * supply new result blocks when necessary
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1775 * @param seq the query sequence number
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1776 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1777 ResultSetResponse(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1778 int id,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1779 int tuplecount,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1780 int columncount,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1781 int rowcount,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1782 MonetConnection.ResponseList parent,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1783 int seq)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1784 throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1785 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1786 isSet = new boolean[7];
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1787 this.parent = parent;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1788 if (parent.cachesize == 0) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1789 /* 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
1790 * 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
1791 * 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
1792 * need to stick to our defaults. */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1793 cacheSize = MonetConnection.DEF_FETCHSIZE;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1794 cacheSizeSetExplicitly = false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1795 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1796 cacheSize = parent.cachesize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1797 cacheSizeSetExplicitly = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1798 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1799 /* 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
1800 * 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
1801 * 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
1802 * 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
1803 * 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
1804 * (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
1805 * 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
1806 * because it's a pseudo SQL result.) */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1807 if (rowcount > cacheSize)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1808 cacheSize = rowcount;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1809 seqnr = seq;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1810 closed = false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1811 destroyOnClose = id > 0 && tuplecount > rowcount;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1812
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1813 this.id = id;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1814 this.tuplecount = tuplecount;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1815 this.columncount = columncount;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1816 this.resultBlocks =
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1817 new DataBlockResponse[(tuplecount / cacheSize) + 1];
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1818
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1819 hlp = new HeaderLineParser(columncount);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1820
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1821 resultBlocks[0] = new DataBlockResponse(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1822 rowcount,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1823 parent.rstype == ResultSet.TYPE_FORWARD_ONLY
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1824 );
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1825 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1826
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1827 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1828 * 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
1829 * 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
1830 * DataResponse.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1831 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1832 * @param tmpLine the string that contains the header
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1833 * @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
1834 * is unknown
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1835 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1836 // {{{ addLine
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1837 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1838 public String addLine(String tmpLine, int linetype) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1839 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
1840 return resultBlocks[0].addLine(tmpLine, linetype);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1841 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1842
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1843 if (linetype != BufferedMCLReader.HEADER)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1844 return "header expected, got: " + tmpLine;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1845
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1846 // 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
1847 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1848 switch (hlp.parse(tmpLine)) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1849 case HeaderLineParser.NAME:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1850 name = hlp.values.clone();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1851 isSet[NAMES] = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1852 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1853 case HeaderLineParser.LENGTH:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1854 columnLengths = hlp.intValues.clone();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1855 isSet[LENS] = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1856 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1857 case HeaderLineParser.TYPE:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1858 type = hlp.values.clone();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1859 isSet[TYPES] = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1860 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1861 case HeaderLineParser.TABLE:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1862 tableNames = hlp.values.clone();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1863 isSet[TABLES] = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1864 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1865 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1866 } catch (MCLParseException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1867 return e.getMessage();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1868 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1869
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1870 // all is well
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1871 return null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1872 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1873 // }}}
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1874
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1875 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1876 * Returns whether this ResultSetResponse needs more lines.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1877 * 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
1878 * first DataBlockResponse reports to want more.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1879 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1880 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1881 public boolean wantsMore() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1882 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
1883 return resultBlocks[0].wantsMore();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1884 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1885 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1886 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1887 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1888
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1889 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1890 * 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
1891 * ',\t' separators.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1892 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1893 * @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
1894 * @param start where the relevant data starts
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1895 * @param stop where the relevant data stops
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1896 * @return an array of Strings
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1897 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1898 final private String[] getValues(char[] chrLine, int start, int stop) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1899 int elem = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1900 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
1901
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1902 for (int i = start; i < stop; i++) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1903 if (chrLine[i] == '\t' && chrLine[i - 1] == ',') {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1904 values[elem++] =
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1905 new String(chrLine, start, i - 1 - start);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1906 start = i + 1;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1907 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1908 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1909 // at the left over part
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1910 values[elem++] = new String(chrLine, start, stop - start);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1911
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1912 return values;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1913 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1914
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1915 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1916 * Adds the given DataBlockResponse to this ResultSetResponse at
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1917 * the given block position.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1918 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1919 * @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
1920 * @param rr the DataBlockResponse to add
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1921 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1922 void addDataBlockResponse(int offset, DataBlockResponse rr) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1923 int block = (offset - blockOffset) / cacheSize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1924 resultBlocks[block] = rr;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1925 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1926
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1927 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1928 * 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
1929 * 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
1930 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1931 * @throws SQLException if the data currently in this Response is not
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1932 * sufficient to be consistant
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1933 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1934 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1935 public void complete() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1936 String error = "";
136
4320e6891536 Replace AssertionError() with SQLException().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
1937 if (!isSet[NAMES]) error = "name header missing\n";
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1938 if (!isSet[TYPES]) error += "type header missing\n";
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1939 if (!isSet[TABLES]) error += "table name header missing\n";
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1940 if (!isSet[LENS]) error += "column width header missing\n";
136
4320e6891536 Replace AssertionError() with SQLException().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
1941 if (!error.isEmpty())
4320e6891536 Replace AssertionError() with SQLException().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
1942 throw new SQLException(error, "M0M10");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1943 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1944
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1945 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1946 * Returns the names of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1947 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1948 * @return the names of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1949 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1950 String[] getNames() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1951 return name;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1952 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1953
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1954 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1955 * Returns the types of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1956 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1957 * @return the types of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1958 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1959 String[] getTypes() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1960 return type;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1961 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1962
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1963 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1964 * Returns the tables of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1965 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1966 * @return the tables of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1967 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1968 String[] getTableNames() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1969 return tableNames;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1970 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1971
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1972 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1973 * Returns the lengths of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1974 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1975 * @return the lengths of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1976 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1977 int[] getColumnLengths() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1978 return columnLengths;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1979 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1980
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1981 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1982 * Returns the cache size used within this Response
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1983 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1984 * @return the cache size
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1985 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1986 int getCacheSize() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1987 return cacheSize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1988 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1989
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1990 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1991 * Returns the current block offset
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1992 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1993 * @return the current block offset
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1994 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1995 int getBlockOffset() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1996 return blockOffset;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1997 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1998
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1999 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2000 * Returns the ResultSet type, FORWARD_ONLY or not.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2001 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2002 * @return the ResultSet type
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2003 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2004 int getRSType() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2005 return parent.rstype;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2006 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2007
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2008 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2009 * Returns the concurrency of the ResultSet.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2010 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2011 * @return the ResultSet concurrency
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2012 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2013 int getRSConcur() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2014 return parent.rsconcur;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2015 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2016
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2017 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2018 * 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
2019 * 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
2020 * 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
2021 * line is fetched it is returned.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2022 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2023 * @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
2024 * @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
2025 * 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
2026 * @throws SQLException if an database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2027 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2028 String getLine(int row) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2029 if (row >= tuplecount || row < 0)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2030 return null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2031
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2032 int block = (row - blockOffset) / cacheSize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2033 int blockLine = (row - blockOffset) % cacheSize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2034
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2035 // do we have the right block loaded? (optimistic try)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2036 DataBlockResponse rawr;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2037 // load block if appropriate
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2038 if ((rawr = resultBlocks[block]) == null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2039 /// 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
2040 /// in memory when dealing with random access to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2041 /// reduce memory blow-up
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2042
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2043 // 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
2044 // block loaded
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2045 if (parent.rstype == ResultSet.TYPE_FORWARD_ONLY) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2046 for (int i = 0; i < block; i++)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2047 resultBlocks[i] = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2048
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2049 if (MonetConnection.seqCounter - 1 == seqnr &&
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2050 !cacheSizeSetExplicitly &&
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2051 tuplecount - row > cacheSize &&
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2052 cacheSize < MonetConnection.DEF_FETCHSIZE * 10)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2053 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2054 // there has no query been issued after this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2055 // one, so we can consider this an uninterrupted
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2056 // continuation request. Let's once increase
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2057 // the cacheSize as it was not explicitly set,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2058 // 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
2059 // bother anyone else by doing so, and just
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2060 // gaining some performance.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2061
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2062 // store the previous position in the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2063 // blockOffset variable
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2064 blockOffset += cacheSize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2065
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2066 // increase the cache size (a lot)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2067 cacheSize *= 10;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2068
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2069 // by changing the cacheSize, we also
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2070 // change the block measures. Luckily
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2071 // we don't care about previous blocks
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2072 // because we have a forward running
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2073 // pointer only. However, we do have
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2074 // to recalculate the block number, to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2075 // ensure the next call to find this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2076 // new block.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2077 block = (row - blockOffset) / cacheSize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2078 blockLine = (row - blockOffset) % cacheSize;
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 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2081
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2082 // 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
2083 parent.executeQuery(commandTempl,
4320e6891536 Replace AssertionError() with SQLException().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
2084 "export " + id + " " + ((block * cacheSize) + blockOffset) + " " + cacheSize);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2085 rawr = resultBlocks[block];
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2086 if (rawr == null)
136
4320e6891536 Replace AssertionError() with SQLException().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
2087 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
2088 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2089
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2090 return rawr.getRow(blockLine);
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
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2093 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2094 * 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
2095 * 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
2096 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2097 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2098 public void close() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2099 if (closed) return;
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2100
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2101 // 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
2102 // 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
2103 // was larger than the reply size
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2104 try {
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2105 if (destroyOnClose)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2106 sendControlCommand("close " + id);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2107 } catch (SQLException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2108 // probably a connection error...
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2109 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2110
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2111 // close the data block associated with us
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2112 for (int i = 1; i < resultBlocks.length; i++) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2113 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
2114 if (r != null)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2115 r.close();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2116 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2117
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2118 closed = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2119 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2120
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2121 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2122 * Returns whether this Response is closed
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2123 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2124 * @return whether this Response is closed
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 boolean isClosed() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2127 return closed;
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 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2130 // }}}
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
2131
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2132 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2133 * The DataBlockResponse is tabular data belonging to a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2134 * ResultSetResponse. Tabular data from the server typically looks
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2135 * like:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2136 * <pre>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2137 * [ "value", 56 ]
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2138 * </pre>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2139 * 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
2140 * by brackets ("[" and "]"). A DataBlockResponse object holds the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2141 * 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
2142 * easy retrieval.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2143 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2144 * 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
2145 * 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
2146 * 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
2147 * 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
2148 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2149 // {{{ DataBlockResponse class implementation
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2150 static class DataBlockResponse implements Response {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2151 /** The String array to keep the data in */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2152 private final String[] data;
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 /** 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
2155 private int pos;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2156 /** Whether we can discard lines as soon as we have read them */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2157 private boolean forwardOnly;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2158
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 * Constructs a DataBlockResponse object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2161 * @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
2162 * @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
2163 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2164 DataBlockResponse(int size, boolean forward) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2165 pos = -1;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2166 data = new String[size];
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2167 forwardOnly = forward;
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
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2170 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2171 * 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
2172 * 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
2173 * 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
2174 * specified.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2175 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2176 * @param line the header line as String
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2177 * @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
2178 * @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
2179 * or additional lines are not allowed.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2180 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2181 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2182 public String addLine(String line, int linetype) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2183 if (linetype != BufferedMCLReader.RESULT)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2184 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
2185 // add to the backing array
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2186 data[++pos] = line;
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 // all is well
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2189 return null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2190 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2191
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2192 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2193 * Returns whether this Reponse expects more lines to be added
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2194 * to it.
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 * @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
2197 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2198 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2199 public boolean wantsMore() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2200 // remember: pos is the value already stored
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2201 return pos + 1 < data.length;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2202 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2203
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2204 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2205 * 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
2206 * 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
2207 * 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
2208 * happen that this is NOT the case!
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2209 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2210 * @throws SQLException if not all rows are filled
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2211 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2212 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2213 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
2214 if ((pos + 1) != data.length)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2215 throw new SQLException("Inconsistent state detected! Current block capacity: "
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2216 + data.length + ", block usage: " + (pos + 1) + ". 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
2217 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2218
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2219 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2220 * 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
2221 * necessary clean up procedures.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2222 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2223 * @throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2224 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2225 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2226 public void close() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2227 // feed all rows to the garbage collector
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2228 for (int i = 0; i < data.length; i++) data[i] = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2229 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2230
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2231 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2232 * 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
2233 * is out of bounds, an IndexOutOfBoundsException will be
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2234 * thrown.
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 * @param line the row to retrieve
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2237 * @return the requested row as String
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2238 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2239 String getRow(int line) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2240 if (forwardOnly) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2241 String ret = data[line];
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2242 data[line] = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2243 return ret;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2244 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2245 return data[line];
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2246 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2247 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2248 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2249 // }}}
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2250
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2251 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2252 * The UpdateResponse represents an update statement response. It
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2253 * 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
2254 * 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
2255 * 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
2256 * -1 if not applicable.<br />
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2257 * <tt>&amp;2 0 -1</tt>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2258 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2259 // {{{ UpdateResponse class implementation
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2260 static class UpdateResponse implements Response {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2261 public final int count;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2262 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
2263
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2264 public UpdateResponse(int cnt, String id) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2265 // fill the blank finals
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2266 this.count = cnt;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2267 this.lastid = id;
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
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2270 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2271 public String addLine(String line, int linetype) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2272 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
2273 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2274
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2275 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2276 public boolean wantsMore() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2277 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2278 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2279
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2280 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2281 public void complete() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2282 // empty, because there is nothing to check
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2283 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2284
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2285 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2286 public void close() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2287 // nothing to do here...
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2288 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2289 }
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
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2292 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2293 * The SchemaResponse represents an schema modification response.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2294 * 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
2295 * 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
2296 * 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
2297 * 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
2298 * server.<br />
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2299 * <tt>&amp;3</tt>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2300 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2301 // {{{ SchemaResponse class implementation
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2302 class SchemaResponse implements Response {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2303 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
2304
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2305 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2306 public String addLine(String line, int linetype) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2307 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
2308 }
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 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2311 public boolean wantsMore() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2312 return false;
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 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2316 public void complete() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2317 // empty, because there is nothing to check
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2318 }
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 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2321 public void close() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2322 // nothing to do here...
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 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2325 // }}}
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2326
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2327 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2328 * The AutoCommitResponse represents a transaction message. It
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2329 * 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
2330 * <tt>&amp;4 (t|f)</tt>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2331 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2332 // {{{ AutoCommitResponse class implementation
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2333 class AutoCommitResponse extends SchemaResponse {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2334 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
2335
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2336 public AutoCommitResponse(boolean ac) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2337 // fill the blank final
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2338 this.autocommit = ac;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2339 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2340 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2341 // }}}
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2342
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2343 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2344 * 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
2345 * 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
2346 * responsibility to the caller to prevent concurrent access.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2347 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2348 // {{{ ResponseList class implementation
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2349 class ResponseList {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2350 /** The cache size (number of rows in a DataBlockResponse object) */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2351 final int cachesize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2352 /** The maximum number of results for this query */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2353 final int maxrows;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2354 /** The ResultSet type to produce */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2355 final int rstype;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2356 /** The ResultSet concurrency to produce */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2357 final int rsconcur;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2358 /** The sequence number of this ResponseList */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2359 final int seqnr;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2360 /** 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
2361 * in the right order */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2362 private List<Response> responses;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2363 /** A map of ResultSetResponses, used for additional
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2364 * DataBlockResponse mapping */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2365 private Map<Integer, ResultSetResponse> rsresponses;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2366
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2367 /** The current header returned by getNextResponse() */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2368 private int curResponse;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2369
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2370 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2371 * 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
2372 * 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
2373 * instance is supplied.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2374 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2375 * @param cachesize overall cachesize to use
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2376 * @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
2377 * @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
2378 * @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
2379 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2380 ResponseList(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2381 int cachesize,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2382 int maxrows,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2383 int rstype,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2384 int rsconcur
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2385 ) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2386 this.cachesize = cachesize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2387 this.maxrows = maxrows;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2388 this.rstype = rstype;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2389 this.rsconcur = rsconcur;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2390 responses = new ArrayList<Response>();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2391 curResponse = -1;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2392 seqnr = MonetConnection.seqCounter++;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2393 }
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 * 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
2397 * no more responses.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2398 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2399 * @return the next Response available or null
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 Response getNextResponse() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2402 if (rstype == ResultSet.TYPE_FORWARD_ONLY) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2403 // free resources if we're running forward only
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2404 if (curResponse >= 0 && curResponse < responses.size()) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2405 Response tmp = responses.get(curResponse);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2406 if (tmp != null) tmp.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2407 responses.set(curResponse, null);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2408 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2409 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2410 curResponse++;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2411 if (curResponse >= responses.size()) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2412 // ResponseList is obviously completed so, there are no
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2413 // more responses
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2414 return null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2415 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2416 // return this response
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2417 return responses.get(curResponse);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2418 }
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
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 * Closes the Reponse at index i, if not null.
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 * @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
2425 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2426 void closeResponse(int i) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2427 if (i < 0 || i >= responses.size()) return;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2428 Response tmp = responses.set(i, null);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2429 if (tmp != null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2430 tmp.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2431 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2432
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 * Closes the current response.
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 void closeCurrentResponse() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2437 closeResponse(curResponse);
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
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2440 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2441 * Closes the current and previous responses.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2442 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2443 void closeCurOldResponses() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2444 for (int i = curResponse; i >= 0; i--) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2445 closeResponse(i);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2446 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2447 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2448
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2449 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2450 * 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
2451 * ResponseList.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2452 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2453 void close() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2454 for (int i = 0; i < responses.size(); i++) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2455 closeResponse(i);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2456 }
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
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 * Returns whether this ResponseList has still unclosed
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2461 * Responses.
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 boolean hasUnclosedResponses() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2464 for (Response r : responses) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2465 if (r != null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2466 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2467 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2468 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2469 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2470
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 * Executes the query contained in this ResponseList, and
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2473 * 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
2474 * ResponseList.
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 * @throws SQLException if a database error occurs
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 void processQuery(String query) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2479 executeQuery(queryTempl, query);
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 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2483 * Internal executor of queries.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2484 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2485 * @param templ the template to fill in
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2486 * @param the query to execute
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2487 * @throws SQLException if a database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2488 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2489 @SuppressWarnings("fallthrough")
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2490 void executeQuery(String[] templ, String query)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2491 throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2492 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2493 boolean sendThreadInUse = false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2494 String error = null;
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 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2497 synchronized (server) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2498 // 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
2499 // 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
2500 // 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
2501 // lines. Ignore errors from previous result sets.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2502 in.waitForPrompt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2503
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2504 // {{{ set reply size
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2505 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2506 * 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
2507 * 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
2508 * 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
2509 * prompt after the server sent it's header.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2510 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2511 int size = cachesize == 0 ? DEF_FETCHSIZE : cachesize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2512 size = maxrows != 0 ? Math.min(maxrows, size) : size;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2513 // 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
2514 if (lang == LANG_SQL && size != curReplySize && templ != commandTempl) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2515 sendControlCommand("reply_size " + size);
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 // store the reply size after a successful change
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2518 curReplySize = size;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2519 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2520 // }}} set reply size
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2521
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2522 // If the query is larger than the TCP buffer size, use a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2523 // special send thread to avoid deadlock with the server due
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2524 // to blocking behaviour when the buffer is full. Because
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2525 // the server will be writing back results to us, it will
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2526 // eventually block as well when its TCP buffer gets full,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2527 // as we are blocking an not consuming from it. The result
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2528 // is a state where both client and server want to write,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2529 // but block.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2530 if (query.length() > MapiSocket.BLOCK) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2531 // get a reference to the send thread
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2532 if (sendThread == null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2533 sendThread = new SendThread(out);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2534 // tell it to do some work!
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2535 sendThread.runQuery(templ, query);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2536 sendThreadInUse = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2537 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2538 // this is a simple call, which is a lot cheaper and will
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2539 // always succeed for small queries.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2540 out.writeLine(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2541 (templ[0] == null ? "" : templ[0]) +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2542 query +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2543 (templ[1] == null ? "" : templ[1]));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2544 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2545
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2546 // go for new results
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2547 String tmpLine = in.readLine();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2548 int linetype = in.getLineType();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2549 Response res = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2550 while (linetype != BufferedMCLReader.PROMPT) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2551 // each response should start with a start of header
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2552 // (or error)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2553 switch (linetype) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2554 case BufferedMCLReader.SOHEADER:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2555 // make the response object, and fill it
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2556 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2557 switch (sohp.parse(tmpLine)) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2558 case StartOfHeaderParser.Q_PARSE:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2559 throw new MCLParseException("Q_PARSE header not allowed here", 1);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2560 case StartOfHeaderParser.Q_TABLE:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2561 case StartOfHeaderParser.Q_PREPARE: {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2562 int id = sohp.getNextAsInt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2563 int tuplecount = sohp.getNextAsInt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2564 int columncount = sohp.getNextAsInt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2565 int rowcount = sohp.getNextAsInt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2566 // enforce the maxrows setting
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2567 if (maxrows != 0 && tuplecount > maxrows)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2568 tuplecount = maxrows;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2569 res = new ResultSetResponse(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2570 id,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2571 tuplecount,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2572 columncount,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2573 rowcount,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2574 this,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2575 seqnr
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2576 );
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2577 // only add this resultset to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2578 // the hashmap if it can possibly
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2579 // have an additional datablock
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2580 if (rowcount < tuplecount) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2581 if (rsresponses == null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2582 rsresponses = new HashMap<Integer, ResultSetResponse>();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2583 rsresponses.put(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2584 Integer.valueOf(id),
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2585 (ResultSetResponse) res
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2586 );
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 } break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2589 case StartOfHeaderParser.Q_UPDATE:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2590 res = new UpdateResponse(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2591 sohp.getNextAsInt(), // count
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2592 sohp.getNextAsString() // key-id
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2593 );
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2594 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2595 case StartOfHeaderParser.Q_SCHEMA:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2596 res = new SchemaResponse();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2597 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2598 case StartOfHeaderParser.Q_TRANS:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2599 boolean ac = sohp.getNextAsString().equals("t") ? true : false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2600 if (autoCommit && ac) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2601 addWarning("Server enabled auto commit " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2602 "mode while local state " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2603 "already was auto commit.", "01M11"
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2604 );
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2605 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2606 autoCommit = ac;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2607 res = new AutoCommitResponse(ac);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2608 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2609 case StartOfHeaderParser.Q_BLOCK: {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2610 // a new block of results for a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2611 // response...
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2612 int id = sohp.getNextAsInt();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2613 sohp.getNextAsInt(); // columncount
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2614 int rowcount = sohp.getNextAsInt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2615 int offset = sohp.getNextAsInt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2616 ResultSetResponse t =
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2617 rsresponses.get(Integer.valueOf(id));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2618 if (t == null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2619 error = "M0M12!no ResultSetResponse with id " + id + " found";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2620 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2621 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2622
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2623 DataBlockResponse r =
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2624 new DataBlockResponse(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2625 rowcount, // rowcount
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2626 t.getRSType() == ResultSet.TYPE_FORWARD_ONLY
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2627 );
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2628
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2629 t.addDataBlockResponse(offset, r);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2630 res = r;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2631 } break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2632 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2633 } catch (MCLParseException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2634 error = "M0M10!error while parsing start of header:\n" +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2635 e.getMessage() +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2636 " found: '" + tmpLine.charAt(e.getErrorOffset()) + "'" +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2637 " in: \"" + tmpLine + "\"" +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2638 " at pos: " + e.getErrorOffset();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2639 // flush all the rest
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2640 in.waitForPrompt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2641 linetype = in.getLineType();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2642 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2643 }
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 // immediately handle errors after parsing
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2646 // the header (res may be null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2647 if (error != null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2648 in.waitForPrompt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2649 linetype = in.getLineType();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2650 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2651 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2652
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2653 // here we have a res object, which
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2654 // we can start filling
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2655 while (res.wantsMore()) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2656 error = res.addLine(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2657 in.readLine(),
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2658 in.getLineType()
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2659 );
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2660 if (error != null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2661 // right, some protocol violation,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2662 // skip the rest of the result
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2663 error = "M0M10!" + error;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2664 in.waitForPrompt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2665 linetype = in.getLineType();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2666 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2667 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2668 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2669 if (error != null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2670 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2671 // it is of no use to store
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2672 // DataBlockReponses, you never want to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2673 // retrieve them directly anyway
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2674 if (!(res instanceof DataBlockResponse))
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2675 responses.add(res);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2676
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2677 // read the next line (can be prompt, new
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2678 // result, error, etc.) before we start the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2679 // loop over
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2680 tmpLine = in.readLine();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2681 linetype = in.getLineType();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2682 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2683 case BufferedMCLReader.INFO:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2684 addWarning(tmpLine.substring(1), "01000");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2685
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2686 // read the next line (can be prompt, new
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2687 // result, error, etc.) before we start the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2688 // loop over
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2689 tmpLine = in.readLine();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2690 linetype = in.getLineType();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2691 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2692 default: // Yeah... in Java this is correct!
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2693 // we have something we don't
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2694 // expect/understand, let's make it an error
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2695 // message
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2696 tmpLine = "!M0M10!protocol violation, unexpected line: " + tmpLine;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2697 // don't break; fall through...
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2698 case BufferedMCLReader.ERROR:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2699 // read everything till the prompt (should be
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2700 // error) we don't know if we ignore some
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2701 // garbage here... but the log should reveal
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2702 // that
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2703 error = in.waitForPrompt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2704 linetype = in.getLineType();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2705 if (error != null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2706 error = tmpLine.substring(1) + "\n" + error;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2707 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2708 error = tmpLine.substring(1);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2709 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2710 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2711 }
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 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2714
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2715 // if we used the sendThread, make sure it has finished
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2716 if (sendThreadInUse) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2717 String tmp = sendThread.getErrors();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2718 if (tmp != null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2719 if (error == null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2720 error = "08000!" + tmp;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2721 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2722 error += "\n08000!" + tmp;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2723 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2724 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2725 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2726 if (error != null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2727 SQLException ret = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2728 String[] errors = error.split("\n");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2729 for (int i = 0; i < errors.length; i++) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2730 if (ret == null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2731 ret = new SQLException(errors[i].substring(6),
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2732 errors[i].substring(0, 5));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2733 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2734 ret.setNextException(new SQLException(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2735 errors[i].substring(6),
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2736 errors[i].substring(0, 5)));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2737 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2738 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2739 throw ret;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2740 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2741 } catch (SocketTimeoutException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2742 close(); // JDBC 4.1 semantics, abort()
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2743 throw new SQLException("connection timed out", "08M33");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2744 } catch (IOException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2745 closed = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2746 throw new SQLException(e.getMessage() + " (mserver still alive?)", "08000");
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 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2749 }
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
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2752 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2753 * A thread to send a query to the server. When sending large
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2754 * amounts of data to a server, the output buffer of the underlying
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2755 * communication socket may overflow. In such case the sending
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2756 * process blocks. In order to prevent deadlock, it might be
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2757 * desirable that the driver as a whole does not block. This thread
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2758 * facilitates the prevention of such 'full block', because this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2759 * separate thread only will block.<br />
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2760 * This thread is designed for reuse, as thread creation costs are
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2761 * high.
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 // {{{ SendThread class implementation
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2764 static class SendThread extends Thread {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2765 /** The state WAIT represents this thread to be waiting for
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2766 * something to do */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2767 private final static int WAIT = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2768 /** The state QUERY represents this thread to be executing a query */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2769 private final static int QUERY = 1;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2770 /** The state SHUTDOWN is the final state that ends this thread */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2771 private final static int SHUTDOWN = -1;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2772
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2773 private String[] templ;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2774 private String query;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2775 private BufferedMCLWriter out;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2776 private String error;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2777 private int state = WAIT;
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
2778
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2779 final Lock sendLock = new ReentrantLock();
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2780 final Condition queryAvailable = sendLock.newCondition();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2781 final Condition waiting = sendLock.newCondition();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2782
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2783 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2784 * Constructor which immediately starts this thread and sets it
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2785 * into daemon mode.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2786 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2787 * @param monet the socket to write to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2788 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2789 public SendThread(BufferedMCLWriter out) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2790 super("SendThread");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2791 setDaemon(true);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2792 this.out = out;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2793 start();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2794 }
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 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2797 public void run() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2798 sendLock.lock();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2799 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2800 while (true) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2801 while (state == WAIT) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2802 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2803 queryAvailable.await();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2804 } catch (InterruptedException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2805 // woken up, eh?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2806 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2807 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2808 if (state == SHUTDOWN)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2809 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2810
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2811 // state is QUERY here
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2812 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2813 out.writeLine(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2814 (templ[0] == null ? "" : templ[0]) +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2815 query +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2816 (templ[1] == null ? "" : templ[1]));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2817 } catch (IOException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2818 error = e.getMessage();
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 // update our state, and notify, maybe someone is waiting
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2822 // for us in throwErrors
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2823 state = WAIT;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2824 waiting.signal();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2825 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2826 } finally {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2827 sendLock.unlock();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2828 }
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
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2831 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2832 * Starts sending the given query over the given socket. Beware
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2833 * that the thread should be finished (can be assured by calling
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2834 * throwErrors()) before this method is called!
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2835 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2836 * @param templ the query template
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2837 * @param query the query itself
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2838 * @throws SQLException if this SendThread is already in use
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2839 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2840 public void runQuery(String[] templ, String query) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2841 sendLock.lock();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2842 try {
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2843 if (state != WAIT)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2844 throw new SQLException("SendThread already in use or shutting down!", "M0M03");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2845
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2846 this.templ = templ;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2847 this.query = query;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2848
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2849 // let the thread know there is some work to do
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2850 state = QUERY;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2851 queryAvailable.signal();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2852 } finally {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2853 sendLock.unlock();
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 * Returns errors encountered during the sending process.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2859 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2860 * @return the errors or null if none
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2861 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2862 public String getErrors() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2863 sendLock.lock();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2864 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2865 // make sure the thread is in WAIT state, not QUERY
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2866 while (state == QUERY) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2867 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2868 waiting.await();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2869 } catch (InterruptedException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2870 // just try again
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 if (state == SHUTDOWN)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2874 error = "SendThread is shutting down";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2875 } finally {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2876 sendLock.unlock();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2877 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2878 return error;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2879 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2880
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2881 /**
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2882 * Requests this SendThread to stop.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2883 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2884 public void shutdown() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2885 sendLock.lock();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2886 state = SHUTDOWN;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2887 sendLock.unlock();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2888 this.interrupt(); // break any wait conditions
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2889 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2890 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2891 // }}}
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2892 }