annotate src/main/java/nl/cwi/monetdb/jdbc/MonetConnection.java @ 243:337a1292fe18

Fixed MonetConnection string description.
author Pedro Ferreira <pedro.ferreira@monetdbsolutions.com>
date Mon, 18 Jun 2018 12:03:27 +0200 (2018-06-18)
parents 5ddb1f20d5d5
children 46385d8ff8c9
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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c38d4eaf5479 It's 2018 now.
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6 * Copyright 1997 - July 2008 CWI, August 2008 - 2018 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.net.UnknownHostException;
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16 import java.sql.CallableStatement;
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17 import java.sql.Connection;
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18 import java.sql.DatabaseMetaData;
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19 import java.sql.PreparedStatement;
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20 import java.sql.ResultSet;
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21 import java.sql.SQLClientInfoException;
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22 import java.sql.SQLException;
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23 import java.sql.SQLFeatureNotSupportedException;
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24 import java.sql.SQLNonTransientConnectionException;
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25 import java.sql.SQLWarning;
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26 import java.sql.Savepoint;
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27 import java.sql.Statement;
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28 import java.util.ArrayList;
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29 import java.util.Calendar;
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30 import java.util.HashMap;
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31 import java.util.List;
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32 import java.util.Map;
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33 import java.util.Map.Entry;
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34 import java.util.Properties;
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35 import java.util.WeakHashMap;
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36 import java.util.concurrent.Executor;
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37 import java.util.concurrent.locks.Condition;
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38 import java.util.concurrent.locks.Lock;
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39 import java.util.concurrent.locks.ReentrantLock;
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40
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41 import nl.cwi.monetdb.jdbc.types.INET;
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42 import nl.cwi.monetdb.jdbc.types.URL;
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43 import nl.cwi.monetdb.mcl.MCLException;
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44 import nl.cwi.monetdb.mcl.io.BufferedMCLReader;
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45 import nl.cwi.monetdb.mcl.io.BufferedMCLWriter;
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46 import nl.cwi.monetdb.mcl.net.MapiSocket;
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47 import nl.cwi.monetdb.mcl.parser.HeaderLineParser;
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48 import nl.cwi.monetdb.mcl.parser.MCLParseException;
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49 import nl.cwi.monetdb.mcl.parser.StartOfHeaderParser;
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50
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51 /**
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52 * A {@link Connection} suitable for the MonetDB database.
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53 *
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54 * This connection represents a connection (session) to a MonetDB
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55 * database. SQL statements are executed and results are returned within
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56 * the context of a connection. This Connection object holds a physical
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57 * connection to the MonetDB database.
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58 *
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59 * A Connection object's database should able to provide information
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60 * describing its tables, its supported SQL grammar, its stored
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61 * procedures, the capabilities of this connection, and so on. This
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62 * information is obtained with the getMetaData method.
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63 *
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64 * Note: By default a Connection object is in auto-commit mode, which
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65 * means that it automatically commits changes after executing each
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66 * statement. If auto-commit mode has been disabled, the method commit
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67 * must be called explicitly in order to commit changes; otherwise,
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68 * database changes will not be saved.
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69 *
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70 * The current state of this connection is that it nearly implements the
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71 * whole Connection interface.
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72 *
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73 * @author Fabian Groffen
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74 * @author Martin van Dinther
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75 * @version 1.3
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76 */
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77 public class MonetConnection
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78 extends MonetWrapper
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79 implements Connection, AutoCloseable
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80 {
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81 /** the successful processed input properties */
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82 private final Properties conn_props = new Properties();
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83
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84 /** The hostname to connect to */
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85 private final String hostname;
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86 /** The port to connect on the host to */
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87 private int port = 0;
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88 /** The database to use (currently not used) */
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89 private final String database;
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90 /** The username to use when authenticating */
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91 private final String username;
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92 /** The password to use when authenticating */
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93 private final String password;
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94
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95 /** A connection to mserver5 using a TCP socket */
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96 private final MapiSocket server;
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97 /** The Reader from the server */
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98 private final BufferedMCLReader in;
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99 /** The Writer to the server */
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100 private final BufferedMCLWriter out;
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101
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102 /** A StartOfHeaderParser declared for reuse. */
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103 private StartOfHeaderParser sohp = new StartOfHeaderParser();
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104
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105 /** Whether this Connection is closed (and cannot be used anymore) */
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106 private boolean closed;
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107
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108 /** Whether this Connection is in autocommit mode */
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109 private boolean autoCommit = true;
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110
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111 /** The stack of warnings for this Connection object */
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112 private SQLWarning warnings = null;
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113 /** The Connection specific mapping of user defined types to Java
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114 * types */
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115 private Map<String,Class<?>> typeMap = new HashMap<String,Class<?>>() {
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116 private static final long serialVersionUID = 1L;
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117 {
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118 put("inet", INET.class);
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119 put("url", URL.class);
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120 }
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121 };
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122
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123 // See javadoc for documentation about WeakHashMap if you don't know what
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124 // it does !!!NOW!!! (only when you deal with it of course)
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125 /** A Map containing all (active) Statements created from this Connection */
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126 private Map<Statement,?> statements = new WeakHashMap<Statement, Object>();
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127
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128 /** The number of results we receive from the server at once */
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129 private int curReplySize = -1; // the server by default uses -1 (all)
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130
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131 /** A template to apply to each query (like pre and post fixes), filled in constructor */
186
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132 public final String[] queryTempl = new String[3]; // pre, post, sep
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133
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134 /** A template to apply to each command (like pre and post fixes), filled in constructor */
186
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135 private final String[] commandTempl = new String[3]; // pre, post, sep
0
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136
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137 /** the SQL language */
186
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138 private static final int LANG_SQL = 0;
0
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139 /** the MAL language (officially *NOT* supported) */
186
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140 private static final int LANG_MAL = 3;
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141 /** an unknown language */
186
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142 private static final int LANG_UNKNOWN = -1;
0
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143 /** The language which is used */
186
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144 private final int lang;
0
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145
175
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146 /** Whether or not BLOB is mapped to Types.VARBINARY instead of Types.BLOB within this connection */
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147 private boolean treatBlobAsVarBinary = false;
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148 /** Whether or not CLOB is mapped to Types.VARCHAR instead of Types.CLOB within this connection */
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149 private boolean treatClobAsVarChar = false;
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150
219
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151 // Internal cache for determining if system table sys.privilege_codes (new as of Jul2017 release) exists on server
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152 private boolean queriedPrivilege_codesTable = false;
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153 private boolean hasPrivilege_codesTable = false;
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154
215
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155 // Internal cache for determining if system table sys.comments (new as of Mar2018 release) exists on server
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156 private boolean queriedCommentsTable = false;
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157 private boolean hasCommentsTable = false;
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158
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159
0
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160 /**
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161 * Constructor of a Connection for MonetDB. At this moment the
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162 * current implementation limits itself to storing the given host,
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163 * database, username and password for later use by the
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164 * createStatement() call. This constructor is only accessible to
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165 * classes from the jdbc package.
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166 *
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167 * @param props a Property hashtable holding the properties needed for connecting
0
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168 * @throws SQLException if a database error occurs
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169 * @throws IllegalArgumentException is one of the arguments is null or empty
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170 */
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171 MonetConnection(Properties props)
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172 throws SQLException, IllegalArgumentException
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173 {
184
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174 // for debug: System.out.println("New connection object. Received properties are: " + props.toString());
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175 // get supported property values from the props argument.
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176 // When a value is found add it to the internal conn_props list for use by getClientInfo().
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177 this.hostname = props.getProperty("host");
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178 if (this.hostname != null)
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179 conn_props.setProperty("host", this.hostname);
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180
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181 String port_prop = props.getProperty("port");
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182 if (port_prop != null) {
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183 try {
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184 this.port = Integer.parseInt(port_prop);
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185 } catch (NumberFormatException e) {
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186 addWarning("Unable to parse port number from: " + port_prop, "M1M05");
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187 }
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188 conn_props.setProperty("port", Integer.toString(this.port));
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189 }
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190
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191 this.database = props.getProperty("database");
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192 if (this.database != null)
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193 conn_props.setProperty("database", this.database);
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194
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195 this.username = props.getProperty("user");
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196 if (this.username != null)
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197 conn_props.setProperty("user", this.username);
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198
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199 this.password = props.getProperty("password");
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200 if (this.password != null)
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201 conn_props.setProperty("password", this.password);
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202
0
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203 String language = props.getProperty("language");
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204 if (language != null)
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205 conn_props.setProperty("language", language);
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206
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207 boolean debug = false;
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208 String debug_prop = props.getProperty("debug");
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209 if (debug_prop != null) {
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210 debug = Boolean.parseBoolean(debug_prop);
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211 conn_props.setProperty("debug", Boolean.toString(debug));
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212 }
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213
45
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214 String hash = props.getProperty("hash");
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215 if (hash != null)
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216 conn_props.setProperty("hash", hash);
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217
175
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218 String treatBlobAsVarBinary_prop = props.getProperty("treat_blob_as_binary");
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219 if (treatBlobAsVarBinary_prop != null) {
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220 treatBlobAsVarBinary = Boolean.parseBoolean(treatBlobAsVarBinary_prop);
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diff changeset
221 conn_props.setProperty("treat_blob_as_binary", Boolean.toString(treatBlobAsVarBinary));
178
dd12348c41cf Improvement: only extend typeMap when the property was set to true.
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diff changeset
222 if (treatBlobAsVarBinary)
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diff changeset
223 typeMap.put("blob", Byte[].class);
175
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diff changeset
224 }
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225
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226 String treatClobAsVarChar_prop = props.getProperty("treat_clob_as_varchar");
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diff changeset
227 if (treatClobAsVarChar_prop != null) {
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228 treatClobAsVarChar = Boolean.parseBoolean(treatClobAsVarChar_prop);
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diff changeset
229 conn_props.setProperty("treat_clob_as_varchar", Boolean.toString(treatClobAsVarChar));
178
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230 if (treatClobAsVarChar)
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diff changeset
231 typeMap.put("clob", String.class);
45
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232 }
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233
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234 int sockTimeout = 0;
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235 String so_timeout_prop = props.getProperty("so_timeout");
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236 if (so_timeout_prop != null) {
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237 try {
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238 sockTimeout = Integer.parseInt(so_timeout_prop);
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239 if (sockTimeout < 0) {
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diff changeset
240 addWarning("Negative socket timeout not allowed. Value ignored", "M1M05");
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
241 sockTimeout = 0;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
242 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
243 } catch (NumberFormatException e) {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
244 addWarning("Unable to parse socket timeout number from: " + so_timeout_prop, "M1M05");
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
245 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
246 conn_props.setProperty("so_timeout", Integer.toString(sockTimeout));
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
247 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
248
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
249 // check mandatory input arguments
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
250 if (hostname == null || hostname.isEmpty())
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
251 throw new IllegalArgumentException("Missing or empty host name");
225
5ddb1f20d5d5 Socket may also throw an UnknownHostException. Add it to MapiSocket.connect() and catch it in MonetConnection(Properties props).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 219
diff changeset
252 if (port <= 0 || port > 65535)
5ddb1f20d5d5 Socket may also throw an UnknownHostException. Add it to MapiSocket.connect() and catch it in MonetConnection(Properties props).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 219
diff changeset
253 throw new IllegalArgumentException("Invalid port number: " + port + ". It should not be " + (port < 0 ? "negative" : (port > 65535 ? "larger than 65535" : "0")));
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
254 if (username == null || username.isEmpty())
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
255 throw new IllegalArgumentException("Missing or empty user name");
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
256 if (password == null || password.isEmpty())
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
257 throw new IllegalArgumentException("Missing or empty password");
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
258 if (language == null || language.isEmpty()) {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
259 // fallback to default language: sql
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
260 language = "sql";
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff changeset
261 addWarning("No language specified, defaulting to 'sql'", "M1M05");
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
262 }
0
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263
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264 server = new MapiSocket();
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
265 if (hash != null)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff changeset
266 server.setHash(hash);
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
267 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
268 server.setDatabase(database);
0
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269 server.setLanguage(language);
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270
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271 // we're debugging here... uhm, should be off in real life
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272 if (debug) {
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273 try {
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274 String fname = props.getProperty("logfile", "monet_" +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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275 System.currentTimeMillis() + ".log");
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276 File f = new File(fname);
25
5ec116ba7d71 When single character use faster version of indexOf(<char>)
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parents: 8
diff changeset
277 int ext = fname.lastIndexOf('.');
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
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parents: 25
diff changeset
278 if (ext < 0)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
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diff changeset
279 ext = fname.length();
0
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280 String pre = fname.substring(0, ext);
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281 String suf = fname.substring(ext);
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282
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283 for (int i = 1; f.exists(); i++) {
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284 f = new File(pre + "-" + i + suf);
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285 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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286
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287 server.debug(f.getAbsolutePath());
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288 } catch (IOException ex) {
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
289 throw new SQLNonTransientConnectionException("Opening logfile failed: " + ex.getMessage(), "08M01");
0
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290 }
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291 }
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292
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293 try {
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
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diff changeset
294 List<String> warnings = server.connect(hostname, port, username, password);
0
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295 for (String warning : warnings) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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296 addWarning(warning, "01M02");
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297 }
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
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parents: 25
diff changeset
298
0
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299 // apply NetworkTimeout value from legacy (pre 4.1) driver
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300 // so_timeout calls
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diff changeset
301 server.setSoTimeout(sockTimeout);
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302
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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303 in = server.getReader();
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304 out = server.getWriter();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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305
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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306 String error = in.waitForPrompt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
307 if (error != null)
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
308 throw new SQLNonTransientConnectionException((error.length() > 6) ? error.substring(6) : error, "08001");
225
5ddb1f20d5d5 Socket may also throw an UnknownHostException. Add it to MapiSocket.connect() and catch it in MonetConnection(Properties props).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 219
diff changeset
309 } catch (UnknownHostException e) {
5ddb1f20d5d5 Socket may also throw an UnknownHostException. Add it to MapiSocket.connect() and catch it in MonetConnection(Properties props).
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 219
diff changeset
310 throw new SQLNonTransientConnectionException("Unknown Host (" + hostname + "): " + e.getMessage(), "08006");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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diff changeset
311 } catch (IOException e) {
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
312 throw new SQLNonTransientConnectionException("Unable to connect (" + hostname + ":" + port + "): " + e.getMessage(), "08006");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
313 } catch (MCLParseException e) {
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
314 throw new SQLNonTransientConnectionException(e.getMessage(), "08001");
0
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parents:
diff changeset
315 } catch (MCLException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
316 String[] connex = e.getMessage().split("\n");
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
317 SQLException sqle = new SQLNonTransientConnectionException(connex[0], "08001", e);
0
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parents:
diff changeset
318 for (int i = 1; i < connex.length; i++) {
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
319 sqle.setNextException(new SQLNonTransientConnectionException(connex[1], "08001"));
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
320 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
321 throw sqle;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
322 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
323
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
324 // 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
325 // language used and language specific query templates
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
326 if ("sql".equals(language)) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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diff changeset
327 lang = LANG_SQL;
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
328
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
329 queryTempl[0] = "s"; // pre
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
330 queryTempl[1] = "\n;"; // post
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
331 queryTempl[2] = "\n;\n"; // separator
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
332
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
333 commandTempl[0] = "X"; // pre
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
334 commandTempl[1] = null; // post
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
335 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
336 } 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
337 lang = LANG_MAL;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
338
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
339 queryTempl[0] = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
340 queryTempl[1] = ";\n";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
341 queryTempl[2] = ";\n";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
342
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
343 commandTempl[0] = null; // pre
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
344 commandTempl[1] = null; // post
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
345 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
346 } else {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
347 lang = LANG_UNKNOWN;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
348 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
349
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
350 // the following initialisers are only valid when the language is SQL...
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
351 if (lang == LANG_SQL) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
352 // enable auto commit
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
353 setAutoCommit(true);
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
354
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
355 // set our time zone on the server
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
356 Calendar cal = Calendar.getInstance();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
357 int offset = cal.get(Calendar.ZONE_OFFSET) + cal.get(Calendar.DST_OFFSET);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
diff changeset
358 offset /= (60 * 1000); // milliseconds to minutes
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
359 String tz = offset < 0 ? "-" : "+";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
360 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
361 offset -= (offset / 60) * 60;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
362 tz += (offset < 10 ? "0" : "") + offset;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
363 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
364 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
365
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
366 // 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
367 closed = false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
368 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
369
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
370 //== methods of interface Connection
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 * 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
374 * 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
375 * new warning is reported for this Connection object.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
376 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
377 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
378 public void clearWarnings() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
379 warnings = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
380 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
381
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
382 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
383 * 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
384 * 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
385 * 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
386 * 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
387 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
388 * 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
389 * closed is a no-op.
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 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
392 public void close() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
393 synchronized (server) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
394 for (Statement st : statements.keySet()) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
395 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
396 st.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
397 } catch (SQLException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
398 // better luck next time!
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
399 }
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 // close the socket
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
402 server.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
403 // close active SendThread if any
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
404 if (sendThread != null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
405 sendThread.shutdown();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
406 sendThread = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
407 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
408 // report ourselves as closed
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
409 closed = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
410 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
411 }
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 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
414 * 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
415 * 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
416 * 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
417 * auto-commit mode has been disabled.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
418 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
419 * @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
420 * Connection object is in auto-commit mode
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
421 * @see #setAutoCommit(boolean)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
422 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
423 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
424 public void commit() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
425 // 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
426 // 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
427 sendTransactionCommand("COMMIT");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
428 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
429
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
430 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
431 * 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
432 * database. SQL statements without parameters are normally
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
433 * 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
434 * 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
435 * PreparedStatement object.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
436 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
437 * 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
438 * 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
439 * CONCUR_READ_ONLY.
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 * @return a new default Statement object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
442 * @throws SQLException if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
443 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
444 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
445 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
446 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
447 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
448
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
449 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
450 * 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
451 * 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
452 * 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
453 * result set type and concurrency to be overridden.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
454 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
455 * @param resultSetType a result set type; one of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
456 * ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
457 * or ResultSet.TYPE_SCROLL_SENSITIVE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
458 * @param resultSetConcurrency a concurrency type; one of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
459 * ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
460 * @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
461 * the given type and concurrency
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
462 * @throws SQLException if a database access error occurs
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) 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
466 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
467 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
468
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
469 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
470 * 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
471 * 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
472 * 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
473 * 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
474 * overridden.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
475 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
476 * @param resultSetType one of the following ResultSet constants:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
477 * ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
478 * or ResultSet.TYPE_SCROLL_SENSITIVE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
479 * @param resultSetConcurrency one of the following ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
480 * constants: ResultSet.CONCUR_READ_ONLY or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
481 * ResultSet.CONCUR_UPDATABLE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
482 * @param resultSetHoldability one of the following ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
483 * 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
484 * ResultSet.CLOSE_CURSORS_AT_COMMIT
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
485 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
486 * @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
487 * 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
488 * @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
489 * given parameters are not ResultSet constants indicating type,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
490 * concurrency, and holdability
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 @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
493 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
494 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
495 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
496 // 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
497 statements.put(ret, null);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
498 return ret;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
499 } catch (IllegalArgumentException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
500 throw new SQLException(e.toString(), "M0M03");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
501 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
502 // 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
503 // be thrown
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
504 }
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 /**
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
507 * 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
508 *
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
509 * @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
510 * @see #setAutoCommit(boolean)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
511 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
512 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
513 public boolean getAutoCommit() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
514 return autoCommit;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
515 }
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 * Retrieves this Connection object's current catalog name.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
519 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
520 * @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
521 * @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
522 * current language is not SQL
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
523 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
524 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
525 public String getCatalog() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
526 // MonetDB does NOT support catalogs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
527 return null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
528 }
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
529
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
530 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
531 * Retrieves the current holdability of ResultSet objects created
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
532 * using this Connection object.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
533 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
534 * @return the holdability, one of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
535 * ResultSet.HOLD_CURSORS_OVER_COMMIT or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
536 * ResultSet.CLOSE_CURSORS_AT_COMMIT
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
537 * @see #setHoldability(int)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
538 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
539 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
540 public int getHoldability() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
541 // 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
542 // CLOSE_CURSORS_AT_COMMIT
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
543 return ResultSet.HOLD_CURSORS_OVER_COMMIT;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
544 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
545
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 * Retrieves a DatabaseMetaData object that contains metadata about
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
548 * 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
549 * connection. The metadata includes information about the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
550 * 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
551 * 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
552 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
553 * @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
554 * @return a DatabaseMetaData object for this Connection 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 DatabaseMetaData getMetaData() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
558 if (lang != LANG_SQL)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
559 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
560
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
561 return new MonetDatabaseMetaData(this);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
562 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
563
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
564 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
565 * Retrieves this Connection object's current transaction isolation
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
566 * level.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
567 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
568 * @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
569 * Connection.TRANSACTION_SERIALIZABLE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
570 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
571 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
572 public int getTransactionIsolation() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
573 return TRANSACTION_SERIALIZABLE;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
574 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
575
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 * 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
578 * 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
579 * will be empty.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
580 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
581 * @return the java.util.Map object associated with this Connection
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
582 * object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
583 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
584 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
585 public Map<String,Class<?>> getTypeMap() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
586 return typeMap;
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
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
589 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
590 * Retrieves the first warning reported by calls on this Connection
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
591 * 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
592 * 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
593 * 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
594 * retrieved previously.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
595 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
596 * 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
597 * 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
598 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
599 * 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
600 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
601 * @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
602 * @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
603 * called on a closed connection
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
604 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
605 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
606 public SQLWarning getWarnings() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
607 if (closed)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
608 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
609
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
610 // 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
611 // specification.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
612 return warnings;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
613 }
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 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
616 * 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
617 * connection is closed if the method close has been called on it or
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parents:
diff changeset
618 * if certain fatal errors have occurred. This method is guaranteed
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parents:
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619 * to return true only when it is called after the method
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Sjoerd Mullender <sjoerd@acm.org>
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620 * 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
621 *
0
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Sjoerd Mullender <sjoerd@acm.org>
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622 * This method generally cannot be called to determine whether a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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623 * connection to a database is valid or invalid. A typical client
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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624 * can determine that a connection is invalid by catching any
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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parents:
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625 * exceptions that might be thrown when an operation is attempted.
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Sjoerd Mullender <sjoerd@acm.org>
parents:
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626 *
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627 * @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>
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628 * still open
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
629 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
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630 @Override
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631 public boolean isClosed() {
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Sjoerd Mullender <sjoerd@acm.org>
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632 return closed;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
633 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
634
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
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635 /**
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
636 * Retrieves whether this Connection object is in read-only mode.
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parents:
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637 * 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
638 * updates are possible. Hence the Connection object is never in
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
639 * read-only mode.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
640 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
641 * @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
642 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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643 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
644 public boolean isReadOnly() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
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645 return false;
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
646 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
647
184
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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648 /**
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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649 * Converts the given SQL statement into the system's native SQL grammar.
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650 * A driver may convert the JDBC SQL grammar into its system's native SQL grammar prior to sending it.
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
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651 * This method returns the native form of the statement that the driver would have sent.
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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652 *
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff changeset
653 * Parameters:
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
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654 * sql - an SQL statement that may contain one or more '?' parameter placeholders.
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
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655 * Returns: the native form of this statement
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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656 * Throws: SQLException - if a database access error occurs or this method is called on a closed connection
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
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657 */
0
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parents:
diff changeset
658 @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
659 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
660 /* 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
661 /* 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
662 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
663 }
0
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664
184
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665 /**
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666 * Creates a CallableStatement object for calling database stored procedures.
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667 * The CallableStatement object provides methods for setting up its IN and OUT parameters,
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
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668 * and methods for executing the call to a stored procedure.
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff changeset
669 *
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670 * Note: This method is optimized for handling stored procedure call statements.
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
671 * Some drivers may send the call statement to the database when the method prepareCall is done;
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
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parents: 178
diff changeset
672 * others may wait until the CallableStatement object is executed. This has no direct effect
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
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673 * on users; however, it does affect which method throws certain SQLExceptions.
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff changeset
674 *
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
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parents: 178
diff changeset
675 * Result sets created using the returned CallableStatement object will by default be type TYPE_FORWARD_ONLY
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
676 * and have a concurrency level of CONCUR_READ_ONLY.
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parents: 178
diff changeset
677 * The holdability of the created result sets can be determined by calling getHoldability().
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
678 *
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
679 * Parameters:
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
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parents: 178
diff changeset
680 * sql - an SQL statement that may contain one or more '?' parameter placeholders.
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
681 * Typically this statement is specified using JDBC call escape syntax.
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
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parents: 178
diff changeset
682 * Returns: a new default CallableStatement object containing the pre-compiled SQL statement
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
683 * Throws: SQLException - if a database access error occurs or this method is called on a closed connection
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
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diff changeset
684 */
0
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diff changeset
685 @Override
184
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff changeset
686 public CallableStatement prepareCall(String sql) throws SQLException {
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
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parents: 178
diff changeset
687 return prepareCall(sql, ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY, ResultSet.HOLD_CURSORS_OVER_COMMIT);
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
688 }
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
689
184
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parents: 178
diff changeset
690 /**
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
691 * Creates a CallableStatement object that will generate ResultSet objects with the given type and concurrency.
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
692 * This method is the same as the prepareCall method above, but it allows the default result set type and concurrency to be overridden.
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
693 * The holdability of the created result sets can be determined by calling getHoldability().
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
694 *
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
695 * Parameters:
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
696 * sql - a String object that is the SQL statement to be sent to the database; may contain on or more '?' parameters
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
697 * Typically this statement is specified using JDBC call escape syntax.
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
698 * resultSetType - a result set type; one of ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
699 * resultSetConcurrency - a concurrency type; one of ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
700 * Returns: a new CallableStatement object containing the pre-compiled SQL statement that
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
701 * will produce ResultSet objects with the given type and concurrency
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
702 * Throws:
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
703 * SQLException - if a database access error occurs, this method is called on a closed connection or
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
704 * the given parameters are not ResultSet constants indicating type and concurrency
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
705 * SQLFeatureNotSupportedException - if the JDBC driver does not support this method or
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
706 * this method is not supported for the specified result set type and result set concurrency.
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
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parents: 178
diff changeset
707 */
0
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Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
708 @Override
184
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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diff changeset
709 public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
710 return prepareCall(sql, resultSetType, resultSetConcurrency, ResultSet.HOLD_CURSORS_OVER_COMMIT);
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
711 }
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
712
184
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
713 /**
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
714 * Creates a CallableStatement object that will generate ResultSet objects with the given type and concurrency.
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
715 * This method is the same as the prepareCall method above, but it allows the default result set type, result set concurrency type and holdability to be overridden.
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
716 *
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
717 * Parameters:
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
718 * sql - a String object that is the SQL statement to be sent to the database; may contain on or more '?' parameters
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
719 * Typically this statement is specified using JDBC call escape syntax.
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
720 * resultSetType - a result set type; one of ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
721 * resultSetConcurrency - a concurrency type; one of ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
722 * resultSetHoldability - one of the following ResultSet constants: ResultSet.HOLD_CURSORS_OVER_COMMIT or ResultSet.CLOSE_CURSORS_AT_COMMIT
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Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
723 * Returns: a new CallableStatement object, containing the pre-compiled SQL statement, that will generate ResultSet objects with the given type, concurrency, and holdability
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
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parents: 178
diff changeset
724 * Throws:
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
725 * SQLException - if a database access error occurs, this method is called on a closed connection or
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
726 * the given parameters are not ResultSet constants indicating type, concurrency, and holdability
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
727 * SQLFeatureNotSupportedException - if the JDBC driver does not support this method or
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
728 * this method is not supported for the specified result set type, result set holdability and result set concurrency.
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
729 */
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
730 @Override
184
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
731 public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability)
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
732 throws SQLException
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
733 {
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
734 throw new SQLFeatureNotSupportedException("prepareCall() not yet supported", "0A000");
e0f76fedafc8 Corrected implementation of Connection.prepareCall() methods. They used to return null.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 178
diff changeset
735 /* a request to implement prepareCall() has already been logged, see https://www.monetdb.org/bugzilla/show_bug.cgi?id=6402 */
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
736 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
737
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
738 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
739 * Creates a PreparedStatement object for sending parameterized SQL
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
740 * 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
741 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
742 * 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
743 * 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
744 * 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
745 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
746 * 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
747 * statements that benefit from precompilation. If the driver
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
748 * supports precompilation, the method prepareStatement will send
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
749 * 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
750 * 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
751 * 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
752 * 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
753 * 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
754 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
755 * Result sets created using the returned PreparedStatement object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
756 * 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
757 * level of CONCUR_READ_ONLY.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
758 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
759 * @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
760 * parameter placeholders
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
761 * @return a new default PreparedStatement object containing the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
762 * pre-compiled SQL statement
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
763 * @throws SQLException if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
764 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
765 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
766 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
767 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
768 }
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 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
771 * Creates a PreparedStatement object that will generate ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
772 * 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
773 * 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
774 * 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
775 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
776 * @param sql a String object that is the SQL statement to be sent to the
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
777 * database; may contain one or more ? IN parameters
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
778 * @param resultSetType a result set type; one of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
779 * ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
780 * or ResultSet.TYPE_SCROLL_SENSITIVE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
781 * @param resultSetConcurrency a concurrency type; one of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
782 * ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
783 * @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
784 * 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
785 * type and concurrency
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
786 * @throws SQLException if a database access error occurs or the given
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
787 * parameters are not ResultSet constants indicating
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
788 * type and concurrency
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
789 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
790 @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
791 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
792 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
793 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
794
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
795 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
796 * Creates a PreparedStatement object that will generate ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
797 * 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
798 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
799 * 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
800 * 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
801 * holdability to be overridden.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
802 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
803 * @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
804 * 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
805 * @param resultSetType one of the following ResultSet constants:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
806 * ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
807 * or ResultSet.TYPE_SCROLL_SENSITIVE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
808 * @param resultSetConcurrency one of the following ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
809 * constants: ResultSet.CONCUR_READ_ONLY or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
810 * ResultSet.CONCUR_UPDATABLE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
811 * @param resultSetHoldability one of the following ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
812 * 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
813 * ResultSet.CLOSE_CURSORS_AT_COMMIT
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
814 * @return a new PreparedStatement object, containing the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
815 * 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
816 * with the given type, concurrency, and holdability
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
817 * @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
818 * given parameters are not ResultSet constants indicating type,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
819 * concurrency, and holdability
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
820 */
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 resultSetType, int resultSetConcurrency, int resultSetHoldability)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
823 throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
824 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
825 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
826 PreparedStatement ret = new MonetPreparedStatement(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
827 this,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
828 resultSetType,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
829 resultSetConcurrency,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
830 resultSetHoldability,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
831 sql
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
832 );
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
833 // 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
834 statements.put(ret, null);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
835 return ret;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
836 } catch (IllegalArgumentException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
837 throw new SQLException(e.toString(), "M0M03");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
838 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
839 // 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
840 // be thrown
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
841 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
842
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
843 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
844 * Creates a default PreparedStatement object that has the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
845 * 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
846 * 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
847 * 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
848 * 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
849 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
850 * 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
851 * statements that benefit from precompilation. If the driver
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
852 * supports precompilation, the method prepareStatement will send
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
853 * 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
854 * 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
855 * 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
856 * 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
857 * 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
858 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
859 * Result sets created using the returned PreparedStatement object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
860 * 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
861 * level of CONCUR_READ_ONLY.
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 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
864 * parameter placeholders
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
865 * @param autoGeneratedKeys a flag indicating whether auto-generated
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
866 * keys should be returned; one of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
867 * Statement.RETURN_GENERATED_KEYS or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
868 * Statement.NO_GENERATED_KEYS
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
869 * @return a new PreparedStatement object, containing the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
870 * 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
871 * of returning auto-generated keys
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
872 * @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
873 * given parameter is not a Statement constant indicating
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
874 * whether auto-generated keys should be returned
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
875 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
876 @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
877 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
878 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
879 autoGeneratedKeys != Statement.NO_GENERATED_KEYS)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
880 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
881
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
882 /* 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
883 * 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
884 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
885 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
886
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
887 /**
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
888 * 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
889 * 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
890 * 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
891 * 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
892 *
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 * 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
894 * 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
895 *
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
896 * 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
897 * 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
898 * 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
899 * 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
900 *
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
901 * 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
902 * 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
903 *
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
904 * 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
905 * 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
906 * 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
907 * 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
908 * 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
909 * 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
910 * 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
911 * 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
912 * 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
913 */
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
914 @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
915 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
916 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
917 }
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
918
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
919 /**
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
920 * 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
921 * 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
922 * 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
923 * 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
924 *
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
925 * 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
926 * 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
927 *
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
928 * 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
929 * 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
930 * 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
931 * 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
932 *
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
933 * 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
934 * 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
935 *
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
936 * 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
937 * 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
938 * 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
939 * 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
940 * 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
941 * 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
942 * 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
943 * 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
944 * 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
945 */
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
946 @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
947 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
948 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
949 }
0
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 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
952 * 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
953 * 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
954 * cause an SQLException to be thrown.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
955 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
956 * @param savepoint the Savepoint object to be removed
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
957 * @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
958 * 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
959 * transaction
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
960 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
961 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
962 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
963 if (!(savepoint instanceof MonetSavepoint))
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
964 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
965
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
966 MonetSavepoint sp = (MonetSavepoint)savepoint;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
967
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
968 // 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
969 // 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
970 sendTransactionCommand("RELEASE SAVEPOINT " + sp.getName());
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
971 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
972
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
973 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
974 * 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
975 * 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
976 * 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
977 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
978 * @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
979 * Connection object is in auto-commit mode
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
980 * @see #setAutoCommit(boolean)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
981 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
982 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
983 public void rollback() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
984 // 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
985 // 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
986 sendTransactionCommand("ROLLBACK");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
987 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
988
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
989 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
990 * 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
991 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
992 * 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
993 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
994 * @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
995 * @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
996 * 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
997 * object is currently in auto-commit mode
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
998 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
999 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1000 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
1001 if (!(savepoint instanceof MonetSavepoint))
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1002 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
1003
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1004 MonetSavepoint sp = (MonetSavepoint)savepoint;
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("ROLLBACK TO SAVEPOINT " + sp.getName());
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1009 }
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 * 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
1013 * 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
1014 * will be executed and committed as individual transactions.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1015 * 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
1016 * 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
1017 * 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
1018 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1019 * 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
1020 * 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
1021 * 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
1022 * 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
1023 * 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
1024 * 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
1025 * 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
1026 * 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
1027 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1028 * 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
1029 * transaction is committed.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1030 *
8
a27ee2cb14a0 Replace String methods equals("") and "".equals( with isEmpty()
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 0
diff changeset
1031 * @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
1032 * @throws SQLException if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1033 * @see #getAutoCommit()
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1034 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1035 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1036 public void setAutoCommit(boolean autoCommit) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1037 if (this.autoCommit != autoCommit) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1038 sendControlCommand("auto_commit " + (autoCommit ? "1" : "0"));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1039 this.autoCommit = autoCommit;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1040 }
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
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1043 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1044 * 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
1045 * 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
1046 * 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
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 setCatalog(String catalog) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1050 // 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
1051 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1052
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1053 /**
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1054 * 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
1055 * 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
1056 * 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
1057 *
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1058 * @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
1059 * 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
1060 * 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
1061 * @see #getHoldability()
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1062 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1063 @Override
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1064 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
1065 // 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
1066 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
1067 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
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 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1071 * 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
1072 * 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
1073 * 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
1074 * to true here.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1075 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1076 * @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
1077 * @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
1078 * method is called during a transaction.
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 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1081 public void setReadOnly(boolean readOnly) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1082 if (readOnly == true)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1083 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
1084 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1085
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1086 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1087 * 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
1088 * returns the new Savepoint object that represents it.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1089 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1090 * @return the new Savepoint object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1091 * @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
1092 * object is currently in auto-commit mode
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1093 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1094 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1095 public Savepoint setSavepoint() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1096 // create a new Savepoint object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1097 MonetSavepoint sp = new MonetSavepoint();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1098
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1099 // 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
1100 // 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
1101 sendTransactionCommand("SAVEPOINT " + sp.getName());
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1102 return sp;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1103 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1104
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1105 /**
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1106 * 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
1107 * 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
1108 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1109 * @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
1110 * @return the new Savepoint object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1111 * @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
1112 * object is currently in auto-commit mode
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1113 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1114 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1115 public Savepoint setSavepoint(String name) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1116 // create a new Savepoint object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1117 MonetSavepoint sp;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1118 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1119 sp = new MonetSavepoint(name);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1120 } catch (IllegalArgumentException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1121 throw new SQLException(e.getMessage(), "M0M03");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1122 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1123
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1124 // 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
1125 // 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
1126 sendTransactionCommand("SAVEPOINT " + sp.getName());
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1127 return sp;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1128 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1129
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1130 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1131 * 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
1132 * 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
1133 * 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
1134 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1135 * @param level one of the following Connection constants:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1136 * Connection.TRANSACTION_READ_UNCOMMITTED,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1137 * Connection.TRANSACTION_READ_COMMITTED,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1138 * Connection.TRANSACTION_REPEATABLE_READ, or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1139 * Connection.TRANSACTION_SERIALIZABLE.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1140 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1141 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1142 public void setTransactionIsolation(int level) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1143 if (level != TRANSACTION_SERIALIZABLE) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1144 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
1145 "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
1146 "raised to TRANSACTION_SERIALIZABLE", "01M09");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1147 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1148 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1149
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1150 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1151 * 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
1152 * 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
1153 * mapping of SQL structured types and distinct types.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1154 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1155 * @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
1156 * this Connection object's default type map
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1157 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1158 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1159 public void setTypeMap(Map<String, Class<?>> map) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1160 typeMap = map;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1161 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1162
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1163 /**
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1164 * 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
1165 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1166 * @return a String representing this Object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1167 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1168 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1169 public String toString() {
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1170 return "MonetDB Connection (" + getJDBCURL() + ") " +
243
337a1292fe18 Fixed MonetConnection string description.
Pedro Ferreira <pedro.ferreira@monetdbsolutions.com>
parents: 225
diff changeset
1171 (closed ? "disconnected" : "connected");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1172 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1173
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1174 //== 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
1175
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1176 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1177 * 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
1178 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1179 * 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
1180 * 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
1181 * 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
1182 * 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
1183 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1184 * 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
1185 * 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
1186 * 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
1187 * 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
1188 * 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
1189 * 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
1190 * 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
1191 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1192 * @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
1193 * 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
1194 * 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
1195 * 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
1196 * 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
1197 * @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
1198 * @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
1199 * 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
1200 * @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
1201 * @since 1.6
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 @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
1204 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
1205 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
1206 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1207
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 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1210 * 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
1211 * 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
1212 * 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
1213 * 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
1214 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1215 * @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
1216 * @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
1217 * 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
1218 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1219 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1220 @Override
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1221 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
1222 return new MonetClob("");
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1223 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1224
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1225 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1226 * 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
1227 * 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
1228 * 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
1229 * data to the Blob.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1230 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1231 * @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
1232 * @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
1233 * 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
1234 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1235 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1236 @Override
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1237 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
1238 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
1239 return new MonetBlob(buf);
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1240 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1241
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1242 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1243 * 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
1244 * 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
1245 * 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
1246 * 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
1247 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1248 * @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
1249 * @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
1250 * 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
1251 * @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
1252 * @since 1.6
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 @Override
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1255 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
1256 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
1257 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1258
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1259 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1260 * 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
1261 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1262 * @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
1263 * 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
1264 * 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
1265 * 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
1266 * @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
1267 * @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
1268 * 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
1269 * @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
1270 * 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
1271 * @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
1272 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1273 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1274 @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
1275 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
1276 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
1277 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1278
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1279 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1280 * 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
1281 * 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
1282 * 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
1283 * 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
1284 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1285 * @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
1286 * @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
1287 * 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
1288 * @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
1289 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1290 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1291 @Override
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1292 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
1293 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
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 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1297 * 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
1298 * 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
1299 * 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
1300 * 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
1301 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1302 * 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
1303 * 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
1304 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1305 * @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
1306 * 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
1307 * 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
1308 * 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
1309 * 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
1310 * @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
1311 * @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
1312 * @since 1.6
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 @Override
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1315 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
1316 if (timeout < 0)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1317 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
1318 if (closed)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1319 return false;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1320
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1321 // 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
1322 Statement stmt = null;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1323 ResultSet rs = null;
167
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1324 boolean isValid = false;
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1325 try {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1326 stmt = createStatement();
167
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1327 if (stmt != null) {
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1328 int original_timeout = stmt.getQueryTimeout();
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1329 if (timeout > 0 && original_timeout != timeout) {
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1330 // we need to change the requested timeout for this test query
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1331 stmt.setQueryTimeout(timeout);
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1332 }
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1333 rs = stmt.executeQuery("SELECT 1");
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1334 if (rs != null && rs.next()) {
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1335 isValid = true;
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1336 }
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1337 if (timeout > 0 && original_timeout != timeout) {
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1338 // restore the original server timeout value
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1339 stmt.setQueryTimeout(original_timeout);
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1340 }
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1341 }
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1342 } catch (SQLException se) {
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1343 String msg = se.getMessage();
175
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1344 // System.out.println(se.getSQLState() + " Con.isValid(): " + msg);
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1345 if (msg != null && msg.equalsIgnoreCase("Current transaction is aborted (please ROLLBACK)")) {
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1346 // Must use equalsIgnoreCase() here because up to Jul2017 release 'Current' was 'current' so with lowercase c.
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1347 // It changed to 'Current' after Jul2017 release. We need to support all server versions.
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1348 // SQLState = 25005
167
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1349 isValid = true;
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1350 }
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1351 /* ignore stmt errors/exceptions, we are only testing if the connection is still alive and usable */
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1352 } finally {
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1353 if (rs != null) {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1354 try {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1355 rs.close();
167
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1356 } catch (Exception e2) { /* ignore error */ }
45
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 if (stmt != null) {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1359 try {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1360 stmt.close();
167
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1361 } catch (Exception e2) { /* ignore error */ }
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1362 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1363 }
167
89e954e7acbb Correct implementation of method Connection.isValid().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 164
diff changeset
1364 return isValid;
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1365 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1366
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1367 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1368 * 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
1369 * 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
1370 * 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
1371 * 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
1372 * 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
1373 * 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
1374 * 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
1375 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1376 * @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
1377 * @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
1378 * @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
1379 * 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
1380 * 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
1381 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1382 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1383 @Override
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1384 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
1385 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
1386 return null;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1387 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
1388 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1389
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1390 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1391 * 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
1392 * 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
1393 * 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
1394 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1395 * @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
1396 * 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
1397 * @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
1398 * 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
1399 * 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
1400 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1401 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1402 @Override
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1403 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
1404 // 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
1405 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
1406 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1407
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1408 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1409 * 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
1410 * 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
1411 * 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
1412 * for each property.
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1413 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1414 * 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
1415 * 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
1416 * 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
1417 * 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
1418 * 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
1419 * 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
1420 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1421 * 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
1422 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1423 * 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
1424 * 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
1425 * 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
1426 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1427 * 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
1428 * 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
1429 * 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
1430 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1431 * 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
1432 * 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
1433 * 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
1434 * 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
1435 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1436 * @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
1437 * @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
1438 * 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
1439 * @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
1440 * 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
1441 * 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
1442 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1443 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1444 @Override
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1445 public void setClientInfo(String name, String value) throws SQLClientInfoException {
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1446 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
1447 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
1448 return;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1449 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1450 // 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
1451 if (value == null) {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1452 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
1453 conn_props.remove(name);
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1454 return;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1455 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1456 // 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
1457 if (name.equals("host") ||
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1458 name.equals("port") ||
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1459 name.equals("user") ||
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1460 name.equals("password") ||
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1461 name.equals("database") ||
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1462 name.equals("language") ||
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1463 name.equals("so_timeout") ||
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1464 name.equals("debug") ||
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1465 name.equals("hash") ||
175
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1466 name.equals("treat_blob_as_binary") ||
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1467 name.equals("treat_clob_as_varchar"))
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1468 {
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1469 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
1470 } else {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1471 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
1472 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1473 return;
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1474 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1475
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1476 /**
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1477 * 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
1478 * 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
1479 * 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
1480 * 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
1481 * 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
1482 * 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
1483 * 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
1484 * 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
1485 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1486 * 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
1487 * 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
1488 * 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
1489 * 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
1490 * 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
1491 * 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
1492 *
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1493 * @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
1494 * @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
1495 * 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
1496 * 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
1497 * @since 1.6
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1498 */
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1499 @Override
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1500 public void setClientInfo(Properties props) throws SQLClientInfoException {
47
562dbfb2fee8 Prevent null pointer exception by checking props argument
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 45
diff changeset
1501 if (props != null) {
562dbfb2fee8 Prevent null pointer exception by checking props argument
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 45
diff changeset
1502 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
1503 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
1504 entry.getValue().toString());
562dbfb2fee8 Prevent null pointer exception by checking props argument
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 45
diff changeset
1505 }
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1506 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1507 }
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1508
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1509
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1510 //== Java 1.7 methods (JDBC 4.1)
0
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 * Sets the given schema name to access.
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 * @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
1516 * @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
1517 * 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
1518 * @since 1.7
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1519 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1520 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1521 public void setSchema(String schema) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1522 if (closed)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1523 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
1524 if (schema == null)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1525 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
1526
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1527 Statement st = createStatement();
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1528 try {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1529 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
1530 } finally {
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1531 st.close();
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1532 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1533 }
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 * Retrieves this Connection object's current schema name.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1537 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1538 * @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
1539 * @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
1540 * 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
1541 * @since 1.7
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1542 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1543 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1544 public String getSchema() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1545 if (closed)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1546 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
1547
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1548 String cur_schema;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1549 Statement st = createStatement();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1550 ResultSet rs = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1551 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1552 rs = st.executeQuery("SELECT CURRENT_SCHEMA");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1553 if (!rs.next())
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1554 throw new SQLException("Row expected", "02000");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1555 cur_schema = rs.getString(1);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1556 } finally {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1557 if (rs != null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1558 rs.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1559 st.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1560 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1561 return cur_schema;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1562 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1563
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1564 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1565 * Terminates an open connection. Calling abort results in:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1566 * * The connection marked as closed
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1567 * * Closes any physical connection to the database
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1568 * * Releases resources used by the connection
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1569 * * 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
1570 * 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
1571 * SQLException.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1572 * 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
1573 * 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
1574 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1575 * @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
1576 * abort
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1577 * @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
1578 * executor is null
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1579 * @throws SecurityException if a security manager exists and
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1580 * 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
1581 * @since 1.7
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1582 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1583 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1584 public void abort(Executor executor) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1585 if (closed)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1586 return;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1587 if (executor == null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1588 throw new SQLException("executor is null", "M1M05");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1589 // 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
1590 // everything (in particular the server connection)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1591 close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1592 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1593
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1594 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1595 * 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
1596 * 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
1597 * 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
1598 * 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
1599 * 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
1600 * 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
1601 * 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
1602 * SQLException.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1603 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1604 * @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
1605 * setNetworkTimeout
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1606 * @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
1607 * database operation to complete
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1608 * @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
1609 * 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
1610 * 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
1611 * @since 1.7
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1612 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1613 @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
1614 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
1615 if (closed)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1616 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
1617 if (executor == null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1618 throw new SQLException("executor is null", "M1M05");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1619 if (millis < 0)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1620 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
1621
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1622 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1623 server.setSoTimeout(millis);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1624 } catch (SocketException e) {
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
1625 throw new SQLNonTransientConnectionException(e.getMessage(), "08000");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1626 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1627 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1628
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1629 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1630 * 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
1631 * 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
1632 * SQLException is thrown.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1633 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1634 * @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
1635 * there is no limit
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1636 * @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
1637 * 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
1638 * @since 1.7
0
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 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1641 public int getNetworkTimeout() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1642 if (closed)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1643 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
1644
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1645 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1646 return server.getSoTimeout();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1647 } catch (SocketException e) {
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
1648 throw new SQLNonTransientConnectionException(e.getMessage(), "08000");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1649 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1650 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1651
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1652
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1653 //== 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
1654
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1655
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1656 /**
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1657 * @return the MonetDB JDBC Connection URL (without user name and password).
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1658 * 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
1659 */
199
e87d89d371f1 Make some public non-JDBC methods accessable only to classes of the same package.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 194
diff changeset
1660 String getJDBCURL() {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1661 String language = "";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1662 if (lang == LANG_MAL)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1663 language = "?language=mal";
199
e87d89d371f1 Make some public non-JDBC methods accessable only to classes of the same package.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 194
diff changeset
1664 return MonetDriver.MONETURL + hostname + ":" + port + "/" + database + language;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1665 }
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 /**
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1668 * @return whether the JDBC BLOB type should be mapped to VARBINARY type.
175
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1669 * This allows generic JDBC programs to fetch Blob data via getBytes()
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1670 * instead of getBlob() and Blob.getBinaryStream() to reduce overhead.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1671 */
199
e87d89d371f1 Make some public non-JDBC methods accessable only to classes of the same package.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 194
diff changeset
1672 boolean mapBlobAsVarBinary() {
175
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1673 return treatBlobAsVarBinary;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1674 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1675
175
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1676 /**
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 186
diff changeset
1677 * @return whether the JDBC CLOB type should be mapped to VARCHAR type.
175
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1678 * This allows generic JDBC programs to fetch Clob data via getString()
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1679 * instead of getClob() and Clob.getCharacterStream() to reduce overhead.
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1680 */
199
e87d89d371f1 Make some public non-JDBC methods accessable only to classes of the same package.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 194
diff changeset
1681 boolean mapClobAsVarChar() {
175
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1682 return treatClobAsVarChar;
8700d9ef2ace Added possibility via a connection property to let the JDBC driver
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 167
diff changeset
1683 }
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
1684
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
1685 /**
215
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1686 * Internal utility method to query the server to find out if it has
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1687 * the system table sys.comments (which is new as of Mar2018 release).
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1688 * The result is cached and reused, so that we only test the query once per connection.
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1689 * This method is used by methods from MonetDatabaseMetaData.
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1690 */
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1691 boolean commentsTableExists() {
219
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1692 if (!queriedCommentsTable) {
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1693 hasCommentsTable = existsSysTable("comments");
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1694 queriedCommentsTable = true; // set flag, so the querying is done only at first invocation.
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1695 }
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1696 return hasCommentsTable;
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1697 }
215
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1698
219
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1699 /**
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1700 * Internal utility method to query the server to find out if it has
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1701 * the system table sys.privilege_codes (which is new as of Jul2017 release).
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1702 * The result is cached and reused, so that we only test the query once per connection.
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1703 * This method is used by methods from MonetDatabaseMetaData.
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1704 */
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1705 boolean privilege_codesTableExists() {
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1706 if (!queriedPrivilege_codesTable) {
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1707 hasPrivilege_codesTable = existsSysTable("privilege_codes");
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1708 queriedPrivilege_codesTable = true; // set flag, so the querying is done only at first invocation.
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1709 }
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1710 return hasPrivilege_codesTable;
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1711 }
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1712
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1713 /**
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1714 * Internal utility method to query the server to find out if it has the system table sys.<tablename>.
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1715 */
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1716 private boolean existsSysTable(String tablename) {
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1717 boolean exists = false;
215
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1718 Statement stmt = null;
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1719 ResultSet rs = null;
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1720 try {
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1721 stmt = createStatement();
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1722 if (stmt != null) {
219
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1723 rs = stmt.executeQuery("SELECT id FROM sys._tables WHERE name = '"
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1724 + tablename
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1725 + "' AND schema_id IN (SELECT id FROM sys.schemas WHERE name = 'sys')");
215
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1726 if (rs != null) {
219
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1727 exists = rs.next(); // if a row is available it exists, else not
215
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1728 }
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1729 }
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1730 } catch (SQLException se) {
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1731 /* ignore */
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1732 } finally {
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1733 if (rs != null) {
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1734 try {
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1735 rs.close();
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1736 } catch (SQLException e) { /* ignore */ }
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1737 }
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1738 if (stmt != null) {
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1739 try {
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1740 stmt.close();
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1741 } catch (SQLException e) { /* ignore */ }
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1742 }
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1743 }
219
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1744 // for debug: System.out.println("testTableExists(" + tablename + ") returns: " + exists);
4572f0694fde Improved DatabaseMetaData methods getTablePrivileges() and getColumnPrivileges() by returning also
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 215
diff changeset
1745 return exists;
215
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1746 }
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1747
71b039bc2d99 Added support for querying the sys.comments table for some meta data methods
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 214
diff changeset
1748 /**
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
1749 * 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
1750 * 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
1751 * 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
1752 *
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
1753 * @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
1754 * @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
1755 */
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
1756 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
1757 // 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
1758 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
1759 // 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
1760 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
1761 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
1762 } 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
1763 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
1764 }
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
1765 }
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
1766
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1767 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1768 * 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
1769 * 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
1770 * returned information is discarded. Encountered errors are
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1771 * reported.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1772 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1773 * @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
1774 * @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
1775 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1776 void sendIndependentCommand(String command) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1777 synchronized (server) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1778 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1779 out.writeLine(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1780 (queryTempl[0] == null ? "" : queryTempl[0]) +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1781 command +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1782 (queryTempl[1] == null ? "" : queryTempl[1]));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1783 String error = in.waitForPrompt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1784 if (error != null)
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
1785 throw new SQLException(error.substring(6), error.substring(0, 5));
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1786 } catch (SocketTimeoutException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1787 close(); // JDBC 4.1 semantics: abort()
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
1788 throw new SQLNonTransientConnectionException("connection timed out", "08M33");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1789 } catch (IOException e) {
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
1790 throw new SQLNonTransientConnectionException(e.getMessage(), "08000");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1791 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1792 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1793 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1794
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1795 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1796 * 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
1797 * 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
1798 * returned information is discarded. Encountered errors are
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1799 * reported.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1800 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1801 * @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
1802 * @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
1803 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1804 void sendControlCommand(String command) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1805 // send X command
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1806 synchronized (server) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1807 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1808 out.writeLine(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1809 (commandTempl[0] == null ? "" : commandTempl[0]) +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1810 command +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1811 (commandTempl[1] == null ? "" : commandTempl[1]));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1812 String error = in.waitForPrompt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1813 if (error != null)
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
1814 throw new SQLException(error.substring(6), error.substring(0, 5));
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1815 } catch (SocketTimeoutException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1816 close(); // JDBC 4.1 semantics, abort()
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
1817 throw new SQLNonTransientConnectionException("connection timed out", "08M33");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1818 } catch (IOException e) {
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
1819 throw new SQLNonTransientConnectionException(e.getMessage(), "08000");
0
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 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1822 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1823
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 * 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
1826 * 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
1827 * 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
1828 * appended to the current warning.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1829 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1830 * @param reason the warning message
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 void addWarning(String reason, String sqlstate) {
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
1833 SQLWarning warng = new SQLWarning(reason, sqlstate);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1834 if (warnings == null) {
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
1835 warnings = warng;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1836 } else {
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
1837 warnings.setNextWarning(warng);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1838 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1839 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1840
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1841 /** the default number of rows that are (attempted to) read at once */
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
1842 private static final int DEF_FETCHSIZE = 250;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1843 /** The sequence counter */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1844 private static int seqCounter = 0;
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 /** 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
1847 private SendThread sendThread = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1848
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1849 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1850 * 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
1851 * 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
1852 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1853 // {{{ interface Response
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1854 interface Response {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1855 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1856 * 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
1857 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1858 * @param line the header line as String
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1859 * @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
1860 * @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
1861 * or additional lines are not allowed.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1862 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1863 public abstract String addLine(String line, int linetype);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1864
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 * 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
1867 * to it.
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 * @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
1870 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1871 public abstract boolean wantsMore();
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 * 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
1875 * Response implementation.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
1876 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1877 * @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
1878 * consistent or sufficient.
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 public abstract void complete() throws SQLException;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1881
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1882 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1883 * 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
1884 * necessary clean up procedures.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1885 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1886 * @throws SQLException
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 public abstract void close();
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 // }}}
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1891
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 * 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
1894 * 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
1895 * Response look like:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1896 * <pre>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1897 * &amp;1 1 28 2 10
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1898 * # name, value # name
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1899 * # varchar, varchar # type
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1900 * </pre>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1901 * there the first line consists out of<br />
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1902 * <tt>&amp;"qt" "id" "tc" "cc" "rc"</tt>.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1903 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1904 // {{{ ResultSetResponse class implementation
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1905 class ResultSetResponse implements Response {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1906 /** The number of columns in this result */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1907 public final int columncount;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1908 /** 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
1909 public final int tuplecount;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1910 /** The numbers of rows to retrieve per DataBlockResponse */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1911 private int cacheSize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1912 /** The table ID of this result */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1913 public final int id;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1914 /** The names of the columns in this result */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1915 private String[] name;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1916 /** The types of the columns in this result */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1917 private String[] type;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1918 /** 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
1919 private int[] columnLengths;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1920 /** The table for each column in this result */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1921 private String[] tableNames;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1922 /** The query sequence number */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1923 private final int seqnr;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1924 /** 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
1925 private DataBlockResponse[] resultBlocks;
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 /** 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
1928 private boolean[] isSet;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1929 /** Whether this Response is closed */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1930 private boolean closed;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1931
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1932 /** 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
1933 private MonetConnection.ResponseList parent;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1934 /** 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
1935 private boolean cacheSizeSetExplicitly = false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1936 /** 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
1937 * if we close this Response */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1938 private boolean destroyOnClose;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1939 /** the offset to be used on Xexport queries */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1940 private int blockOffset = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1941
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1942 /** A parser for header lines */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1943 HeaderLineParser hlp;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1944
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
1945 private static final int NAMES = 0;
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
1946 private static final int TYPES = 1;
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
1947 private static final int TABLES = 2;
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
1948 private static final int LENS = 3;
0
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
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1951 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1952 * Sole constructor, which requires a MonetConnection parent to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1953 * be given.
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 * @param id the ID of the result set
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1956 * @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
1957 * @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
1958 * @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
1959 * @param parent the parent that created this Response and will
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
1960 * supply new result blocks when necessary
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1961 * @param seq the query sequence number
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 ResultSetResponse(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1964 int id,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1965 int tuplecount,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1966 int columncount,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1967 int rowcount,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1968 MonetConnection.ResponseList parent,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1969 int seq)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1970 throws SQLException
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 isSet = new boolean[7];
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1973 this.parent = parent;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1974 if (parent.cachesize == 0) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1975 /* 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
1976 * 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
1977 * 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
1978 * need to stick to our defaults. */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1979 cacheSize = MonetConnection.DEF_FETCHSIZE;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1980 cacheSizeSetExplicitly = false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1981 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1982 cacheSize = parent.cachesize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1983 cacheSizeSetExplicitly = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1984 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1985 /* 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
1986 * 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
1987 * 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
1988 * 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
1989 * 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
1990 * (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
1991 * 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
1992 * because it's a pseudo SQL result.) */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1993 if (rowcount > cacheSize)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1994 cacheSize = rowcount;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1995 seqnr = seq;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1996 closed = false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1997 destroyOnClose = id > 0 && tuplecount > rowcount;
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 this.id = id;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2000 this.tuplecount = tuplecount;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2001 this.columncount = columncount;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2002 this.resultBlocks =
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2003 new DataBlockResponse[(tuplecount / cacheSize) + 1];
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2004
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2005 hlp = new HeaderLineParser(columncount);
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 resultBlocks[0] = new DataBlockResponse(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2008 rowcount,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2009 parent.rstype == ResultSet.TYPE_FORWARD_ONLY
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 }
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 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2014 * 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
2015 * 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
2016 * DataResponse.
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 * @param tmpLine the string that contains the header
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2019 * @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
2020 * is unknown
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2021 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2022 // {{{ addLine
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2023 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2024 public String addLine(String tmpLine, int linetype) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2025 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
2026 return resultBlocks[0].addLine(tmpLine, linetype);
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
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2029 if (linetype != BufferedMCLReader.HEADER)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2030 return "header expected, got: " + tmpLine;
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 // 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
2033 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2034 switch (hlp.parse(tmpLine)) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2035 case HeaderLineParser.NAME:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2036 name = hlp.values.clone();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2037 isSet[NAMES] = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2038 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2039 case HeaderLineParser.LENGTH:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2040 columnLengths = hlp.intValues.clone();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2041 isSet[LENS] = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2042 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2043 case HeaderLineParser.TYPE:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2044 type = hlp.values.clone();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2045 isSet[TYPES] = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2046 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2047 case HeaderLineParser.TABLE:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2048 tableNames = hlp.values.clone();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2049 isSet[TABLES] = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2050 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2051 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2052 } catch (MCLParseException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2053 return e.getMessage();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2054 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2055
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2056 // all is well
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2057 return null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2058 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2059 // }}}
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2060
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 * Returns whether this ResultSetResponse needs more lines.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2063 * 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
2064 * first DataBlockResponse reports to want more.
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 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2067 public boolean wantsMore() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2068 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
2069 return resultBlocks[0].wantsMore();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2070 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2071 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2072 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2073 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2074
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2075 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2076 * 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
2077 * ',\t' separators.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2078 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2079 * @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
2080 * @param start where the relevant data starts
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2081 * @param stop where the relevant data stops
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2082 * @return an array of Strings
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2083 */
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
2084 private final String[] getValues(char[] chrLine, int start, int stop) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2085 int elem = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2086 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
2087
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2088 for (int i = start; i < stop; i++) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2089 if (chrLine[i] == '\t' && chrLine[i - 1] == ',') {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2090 values[elem++] =
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2091 new String(chrLine, start, i - 1 - start);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2092 start = i + 1;
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 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2095 // at the left over part
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2096 values[elem++] = new String(chrLine, start, stop - start);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2097
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2098 return values;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2099 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2100
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2101 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2102 * Adds the given DataBlockResponse to this ResultSetResponse at
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2103 * the given block position.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2104 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2105 * @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
2106 * @param rr the DataBlockResponse to add
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2107 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2108 void addDataBlockResponse(int offset, DataBlockResponse rr) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2109 int block = (offset - blockOffset) / cacheSize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2110 resultBlocks[block] = rr;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2111 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2112
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2113 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2114 * 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
2115 * 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
2116 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2117 * @throws SQLException if the data currently in this Response is not
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
2118 * sufficient to be consistant
0
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 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2121 public void complete() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2122 String error = "";
136
4320e6891536 Replace AssertionError() with SQLException().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
2123 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
2124 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
2125 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
2126 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
2127 if (!error.isEmpty())
4320e6891536 Replace AssertionError() with SQLException().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
2128 throw new SQLException(error, "M0M10");
0
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
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2131 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2132 * Returns the names of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2133 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2134 * @return the names of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2135 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2136 String[] getNames() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2137 return name;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2138 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2139
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2140 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2141 * Returns the types of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2142 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2143 * @return the types of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2144 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2145 String[] getTypes() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2146 return type;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2147 }
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 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2150 * Returns the tables of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2151 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2152 * @return the tables of the columns
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 String[] getTableNames() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2155 return tableNames;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2156 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2157
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 * Returns the lengths of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2160 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2161 * @return the lengths of the columns
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2162 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2163 int[] getColumnLengths() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2164 return columnLengths;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2165 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2166
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2167 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2168 * Returns the cache size used within this Response
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 * @return the cache size
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2171 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2172 int getCacheSize() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2173 return cacheSize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2174 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2175
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2176 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2177 * Returns the current block offset
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2178 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2179 * @return the current block offset
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 int getBlockOffset() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2182 return blockOffset;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2183 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2184
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2185 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2186 * Returns the ResultSet type, FORWARD_ONLY or not.
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 * @return the ResultSet type
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2189 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2190 int getRSType() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2191 return parent.rstype;
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
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2194 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2195 * Returns the concurrency of the ResultSet.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2196 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2197 * @return the ResultSet concurrency
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2198 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2199 int getRSConcur() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2200 return parent.rsconcur;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2201 }
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 * 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
2205 * 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
2206 * 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
2207 * line is fetched it is returned.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2208 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2209 * @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
2210 * @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
2211 * 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
2212 * @throws SQLException if an database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2213 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2214 String getLine(int row) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2215 if (row >= tuplecount || row < 0)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2216 return null;
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 int block = (row - blockOffset) / cacheSize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2219 int blockLine = (row - blockOffset) % cacheSize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2220
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2221 // do we have the right block loaded? (optimistic try)
214
b8c007e86694 Improve readability
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
2222 DataBlockResponse rawr = resultBlocks[block];
b8c007e86694 Improve readability
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
2223 if (rawr == null) {
b8c007e86694 Improve readability
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
2224 // load block
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2225 /// 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
2226 /// in memory when dealing with random access to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2227 /// reduce memory blow-up
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2228
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2229 // 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
2230 // block loaded
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2231 if (parent.rstype == ResultSet.TYPE_FORWARD_ONLY) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2232 for (int i = 0; i < block; i++)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2233 resultBlocks[i] = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2234
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2235 if (MonetConnection.seqCounter - 1 == seqnr &&
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2236 !cacheSizeSetExplicitly &&
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2237 tuplecount - row > cacheSize &&
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2238 cacheSize < MonetConnection.DEF_FETCHSIZE * 10)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2239 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2240 // there has no query been issued after this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2241 // one, so we can consider this an uninterrupted
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2242 // continuation request. Let's once increase
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2243 // the cacheSize as it was not explicitly set,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2244 // 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
2245 // bother anyone else by doing so, and just
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2246 // gaining some performance.
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 // store the previous position in the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2249 // blockOffset variable
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2250 blockOffset += cacheSize;
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 // increase the cache size (a lot)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2253 cacheSize *= 10;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2254
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2255 // by changing the cacheSize, we also
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2256 // change the block measures. Luckily
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2257 // we don't care about previous blocks
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2258 // because we have a forward running
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2259 // pointer only. However, we do have
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2260 // to recalculate the block number, to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2261 // ensure the next call to find this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2262 // new block.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2263 block = (row - blockOffset) / cacheSize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2264 blockLine = (row - blockOffset) % cacheSize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2265 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2266 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2267
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2268 // 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
2269 parent.executeQuery(commandTempl,
4320e6891536 Replace AssertionError() with SQLException().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
2270 "export " + id + " " + ((block * cacheSize) + blockOffset) + " " + cacheSize);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2271 rawr = resultBlocks[block];
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2272 if (rawr == null)
136
4320e6891536 Replace AssertionError() with SQLException().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
2273 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
2274 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2275
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2276 return rawr.getRow(blockLine);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2277 }
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 * 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
2281 * 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
2282 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2283 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2284 public void close() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2285 if (closed) return;
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2286
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2287 // 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
2288 // 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
2289 // was larger than the reply size
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2290 try {
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2291 if (destroyOnClose)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2292 sendControlCommand("close " + id);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2293 } catch (SQLException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2294 // probably a connection error...
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2295 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2296
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2297 // close the data block associated with us
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2298 for (int i = 1; i < resultBlocks.length; i++) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2299 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
2300 if (r != null)
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2301 r.close();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2302 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2303
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2304 closed = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2305 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2306
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2307 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2308 * Returns whether this Response is closed
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 * @return whether this Response is closed
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2311 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2312 boolean isClosed() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2313 return closed;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2314 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2315 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2316 // }}}
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
2317
0
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 * The DataBlockResponse is tabular data belonging to a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2320 * ResultSetResponse. Tabular data from the server typically looks
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2321 * like:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2322 * <pre>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2323 * [ "value", 56 ]
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2324 * </pre>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2325 * 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
2326 * by brackets ("[" and "]"). A DataBlockResponse object holds the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2327 * 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
2328 * easy retrieval.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2329 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2330 * 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
2331 * 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
2332 * 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
2333 * 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
2334 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2335 // {{{ DataBlockResponse class implementation
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2336 static class DataBlockResponse implements Response {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2337 /** The String array to keep the data in */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2338 private final String[] data;
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 /** 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
2341 private int pos;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2342 /** 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
2343 private boolean forwardOnly;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2344
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2345 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2346 * Constructs a DataBlockResponse object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2347 * @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
2348 * @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
2349 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2350 DataBlockResponse(int size, boolean forward) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2351 pos = -1;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2352 data = new String[size];
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2353 forwardOnly = forward;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2354 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2355
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2356 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2357 * 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
2358 * 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
2359 * 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
2360 * specified.
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2361 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2362 * @param line the header line as String
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2363 * @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
2364 * @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
2365 * or additional lines are not allowed.
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 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2368 public String addLine(String line, int linetype) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2369 if (linetype != BufferedMCLReader.RESULT)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2370 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
2371 // add to the backing array
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2372 data[++pos] = line;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2373
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2374 // all is well
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2375 return null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2376 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2377
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2378 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2379 * 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
2380 * to it.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2381 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2382 * @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
2383 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2384 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2385 public boolean wantsMore() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2386 // remember: pos is the value already stored
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2387 return pos + 1 < data.length;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2388 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2389
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2390 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2391 * 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
2392 * 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
2393 * 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
2394 * happen that this is NOT the case!
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 * @throws SQLException if not all rows are filled
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2397 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2398 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2399 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
2400 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
2401 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
2402 + 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
2403 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2404
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2405 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2406 * 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
2407 * necessary clean up procedures.
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 * @throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2410 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2411 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2412 public void close() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2413 // feed all rows to the garbage collector
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2414 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
2415 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2416
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2417 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2418 * 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
2419 * is out of bounds, an IndexOutOfBoundsException will be
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2420 * thrown.
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 * @param line the row to retrieve
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2423 * @return the requested row as String
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2424 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2425 String getRow(int line) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2426 if (forwardOnly) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2427 String ret = data[line];
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2428 data[line] = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2429 return ret;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2430 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2431 return data[line];
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 }
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
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2437 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2438 * The UpdateResponse represents an update statement response. It
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2439 * 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
2440 * 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
2441 * 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
2442 * -1 if not applicable.<br />
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2443 * <tt>&amp;2 0 -1</tt>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2444 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2445 // {{{ UpdateResponse class implementation
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2446 static class UpdateResponse implements Response {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2447 public final int count;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2448 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
2449
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2450 public UpdateResponse(int cnt, String id) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2451 // fill the blank finals
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2452 this.count = cnt;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2453 this.lastid = id;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2454 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2455
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2456 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2457 public String addLine(String line, int linetype) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2458 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
2459 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2460
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2461 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2462 public boolean wantsMore() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2463 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2464 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2465
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2466 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2467 public void complete() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2468 // empty, because there is nothing to check
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 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2472 public void close() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2473 // nothing to do here...
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2474 }
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 // }}}
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 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2479 * The SchemaResponse represents an schema modification response.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2480 * 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
2481 * 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
2482 * 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
2483 * 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
2484 * server.<br />
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2485 * <tt>&amp;3</tt>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2486 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2487 // {{{ SchemaResponse class implementation
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2488 class SchemaResponse implements Response {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2489 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
2490
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2491 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2492 public String addLine(String line, int linetype) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2493 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
2494 }
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 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2497 public boolean wantsMore() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2498 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2499 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2500
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2501 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2502 public void complete() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2503 // empty, because there is nothing to check
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2504 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2505
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2506 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2507 public void close() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2508 // nothing to do here...
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2509 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2510 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2511 // }}}
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2512
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2513 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2514 * The AutoCommitResponse represents a transaction message. It
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2515 * 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
2516 * <tt>&amp;4 (t|f)</tt>
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2517 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2518 // {{{ AutoCommitResponse class implementation
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2519 class AutoCommitResponse extends SchemaResponse {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2520 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
2521
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2522 public AutoCommitResponse(boolean ac) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2523 // fill the blank final
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2524 this.autocommit = ac;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2525 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2526 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2527 // }}}
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2528
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2529 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2530 * 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
2531 * 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
2532 * responsibility to the caller to prevent concurrent access.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2533 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2534 // {{{ ResponseList class implementation
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2535 class ResponseList {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2536 /** The cache size (number of rows in a DataBlockResponse object) */
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
2537 private final int cachesize;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2538 /** The maximum number of results for this query */
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
2539 private final int maxrows;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2540 /** The ResultSet type to produce */
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
2541 private final int rstype;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2542 /** The ResultSet concurrency to produce */
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
2543 private final int rsconcur;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2544 /** The sequence number of this ResponseList */
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
2545 private final int seqnr;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2546 /** 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
2547 * in the right order */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2548 private List<Response> responses;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2549 /** A map of ResultSetResponses, used for additional
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2550 * DataBlockResponse mapping */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2551 private Map<Integer, ResultSetResponse> rsresponses;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2552
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2553 /** The current header returned by getNextResponse() */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2554 private int curResponse;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2555
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2556 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2557 * 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
2558 * 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
2559 * instance is supplied.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2560 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2561 * @param cachesize overall cachesize to use
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2562 * @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
2563 * @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
2564 * @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
2565 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2566 ResponseList(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2567 int cachesize,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2568 int maxrows,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2569 int rstype,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2570 int rsconcur
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2571 ) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2572 this.cachesize = cachesize;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2573 this.maxrows = maxrows;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2574 this.rstype = rstype;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2575 this.rsconcur = rsconcur;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2576 responses = new ArrayList<Response>();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2577 curResponse = -1;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2578 seqnr = MonetConnection.seqCounter++;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2579 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2580
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2581 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2582 * 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
2583 * no more responses.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2584 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2585 * @return the next Response available or null
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 Response getNextResponse() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2588 if (rstype == ResultSet.TYPE_FORWARD_ONLY) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2589 // free resources if we're running forward only
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2590 if (curResponse >= 0 && curResponse < responses.size()) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2591 Response tmp = responses.get(curResponse);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2592 if (tmp != null) tmp.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2593 responses.set(curResponse, null);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2594 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2595 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2596 curResponse++;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2597 if (curResponse >= responses.size()) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2598 // ResponseList is obviously completed so, there are no
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2599 // more responses
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2600 return null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2601 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2602 // return this response
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2603 return responses.get(curResponse);
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
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2607 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2608 * 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
2609 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2610 * @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
2611 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2612 void closeResponse(int i) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2613 if (i < 0 || i >= responses.size()) return;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2614 Response tmp = responses.set(i, null);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2615 if (tmp != null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2616 tmp.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2617 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2618
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2619 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2620 * Closes the current response.
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 void closeCurrentResponse() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2623 closeResponse(curResponse);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2624 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2625
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2626 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2627 * Closes the current and previous responses.
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 void closeCurOldResponses() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2630 for (int i = curResponse; i >= 0; i--) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2631 closeResponse(i);
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 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2634
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2635 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2636 * 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
2637 * ResponseList.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2638 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2639 void close() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2640 for (int i = 0; i < responses.size(); i++) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2641 closeResponse(i);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2642 }
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 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2646 * Returns whether this ResponseList has still unclosed
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2647 * Responses.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2648 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2649 boolean hasUnclosedResponses() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2650 for (Response r : responses) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2651 if (r != null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2652 return true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2653 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2654 return false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2655 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2656
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2657 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2658 * Executes the query contained in this ResponseList, and
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2659 * 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
2660 * ResponseList.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2661 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2662 * @throws SQLException if a database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2663 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2664 void processQuery(String query) throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2665 executeQuery(queryTempl, query);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2666 }
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 * Internal executor of queries.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2670 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2671 * @param templ the template to fill in
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2672 * @param the query to execute
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2673 * @throws SQLException if a database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2674 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2675 @SuppressWarnings("fallthrough")
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2676 void executeQuery(String[] templ, String query)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2677 throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2678 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2679 boolean sendThreadInUse = false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2680 String error = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2681
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2682 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2683 synchronized (server) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2684 // 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
2685 // 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
2686 // 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
2687 // lines. Ignore errors from previous result sets.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2688 in.waitForPrompt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2689
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2690 // {{{ set reply size
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2691 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2692 * 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
2693 * 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
2694 * 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
2695 * prompt after the server sent it's header.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2696 */
178
dd12348c41cf Improvement: only extend typeMap when the property was set to true.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 175
diff changeset
2697 int size = (cachesize == 0 ? DEF_FETCHSIZE : cachesize);
dd12348c41cf Improvement: only extend typeMap when the property was set to true.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 175
diff changeset
2698 if (maxrows > 0 && maxrows < size)
dd12348c41cf Improvement: only extend typeMap when the property was set to true.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 175
diff changeset
2699 size = maxrows;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2700 // 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
2701 if (lang == LANG_SQL && size != curReplySize && templ != commandTempl) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2702 sendControlCommand("reply_size " + size);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2703
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2704 // store the reply size after a successful change
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2705 curReplySize = size;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2706 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2707 // }}} set reply size
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2708
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2709 // 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
2710 // 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
2711 // 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
2712 // 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
2713 // 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
2714 // 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
2715 // 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
2716 // but block.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2717 if (query.length() > MapiSocket.BLOCK) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2718 // get a reference to the send thread
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2719 if (sendThread == null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2720 sendThread = new SendThread(out);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2721 // tell it to do some work!
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2722 sendThread.runQuery(templ, query);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2723 sendThreadInUse = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2724 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2725 // 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
2726 // always succeed for small queries.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2727 out.writeLine(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2728 (templ[0] == null ? "" : templ[0]) +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2729 query +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2730 (templ[1] == null ? "" : templ[1]));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2731 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2732
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2733 // go for new results
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2734 String tmpLine = in.readLine();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2735 int linetype = in.getLineType();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2736 Response res = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2737 while (linetype != BufferedMCLReader.PROMPT) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2738 // 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
2739 // (or error)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2740 switch (linetype) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2741 case BufferedMCLReader.SOHEADER:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2742 // make the response object, and fill it
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2743 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2744 switch (sohp.parse(tmpLine)) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2745 case StartOfHeaderParser.Q_PARSE:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2746 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
2747 case StartOfHeaderParser.Q_TABLE:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2748 case StartOfHeaderParser.Q_PREPARE: {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2749 int id = sohp.getNextAsInt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2750 int tuplecount = sohp.getNextAsInt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2751 int columncount = sohp.getNextAsInt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2752 int rowcount = sohp.getNextAsInt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2753 // enforce the maxrows setting
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2754 if (maxrows != 0 && tuplecount > maxrows)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2755 tuplecount = maxrows;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2756 res = new ResultSetResponse(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2757 id,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2758 tuplecount,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2759 columncount,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2760 rowcount,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2761 this,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2762 seqnr
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2763 );
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2764 // only add this resultset to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2765 // the hashmap if it can possibly
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2766 // have an additional datablock
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2767 if (rowcount < tuplecount) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2768 if (rsresponses == null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2769 rsresponses = new HashMap<Integer, ResultSetResponse>();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2770 rsresponses.put(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2771 Integer.valueOf(id),
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2772 (ResultSetResponse) res
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2773 );
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2774 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2775 } break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2776 case StartOfHeaderParser.Q_UPDATE:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2777 res = new UpdateResponse(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2778 sohp.getNextAsInt(), // count
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2779 sohp.getNextAsString() // key-id
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2780 );
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2781 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2782 case StartOfHeaderParser.Q_SCHEMA:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2783 res = new SchemaResponse();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2784 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2785 case StartOfHeaderParser.Q_TRANS:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2786 boolean ac = sohp.getNextAsString().equals("t") ? true : false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2787 if (autoCommit && ac) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2788 addWarning("Server enabled auto commit " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2789 "mode while local state " +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2790 "already was auto commit.", "01M11"
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2791 );
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2792 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2793 autoCommit = ac;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2794 res = new AutoCommitResponse(ac);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2795 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2796 case StartOfHeaderParser.Q_BLOCK: {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2797 // a new block of results for a
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2798 // response...
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
2799 int id = sohp.getNextAsInt();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2800 sohp.getNextAsInt(); // columncount
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2801 int rowcount = sohp.getNextAsInt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2802 int offset = sohp.getNextAsInt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2803 ResultSetResponse t =
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2804 rsresponses.get(Integer.valueOf(id));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2805 if (t == null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2806 error = "M0M12!no ResultSetResponse with id " + id + " found";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2807 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2808 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2809
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2810 DataBlockResponse r =
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2811 new DataBlockResponse(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2812 rowcount, // rowcount
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2813 t.getRSType() == ResultSet.TYPE_FORWARD_ONLY
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2814 );
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2815
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2816 t.addDataBlockResponse(offset, r);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2817 res = r;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2818 } break;
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 } catch (MCLParseException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2821 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
2822 e.getMessage() +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2823 " found: '" + tmpLine.charAt(e.getErrorOffset()) + "'" +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2824 " in: \"" + tmpLine + "\"" +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2825 " at pos: " + e.getErrorOffset();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2826 // flush all the rest
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2827 in.waitForPrompt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2828 linetype = in.getLineType();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2829 break;
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 // immediately handle errors after parsing
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2833 // the header (res may be null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2834 if (error != null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2835 in.waitForPrompt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2836 linetype = in.getLineType();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2837 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2838 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2839
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2840 // here we have a res object, which
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2841 // we can start filling
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2842 while (res.wantsMore()) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2843 error = res.addLine(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2844 in.readLine(),
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2845 in.getLineType()
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2846 );
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2847 if (error != null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2848 // right, some protocol violation,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2849 // skip the rest of the result
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2850 error = "M0M10!" + error;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2851 in.waitForPrompt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2852 linetype = in.getLineType();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2853 break;
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 if (error != null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2857 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2858 // it is of no use to store
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2859 // DataBlockReponses, you never want to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2860 // retrieve them directly anyway
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2861 if (!(res instanceof DataBlockResponse))
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2862 responses.add(res);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2863
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2864 // read the next line (can be prompt, new
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2865 // result, error, etc.) before we start the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2866 // loop over
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2867 tmpLine = in.readLine();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2868 linetype = in.getLineType();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2869 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2870 case BufferedMCLReader.INFO:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2871 addWarning(tmpLine.substring(1), "01000");
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 // read the next line (can be prompt, new
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2874 // result, error, etc.) before we start the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2875 // loop over
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2876 tmpLine = in.readLine();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2877 linetype = in.getLineType();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2878 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2879 default: // Yeah... in Java this is correct!
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2880 // we have something we don't
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2881 // expect/understand, let's make it an error
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2882 // message
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2883 tmpLine = "!M0M10!protocol violation, unexpected line: " + tmpLine;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2884 // don't break; fall through...
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2885 case BufferedMCLReader.ERROR:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2886 // read everything till the prompt (should be
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2887 // 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
2888 // garbage here... but the log should reveal
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2889 // that
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2890 error = in.waitForPrompt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2891 linetype = in.getLineType();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2892 if (error != null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2893 error = tmpLine.substring(1) + "\n" + error;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2894 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2895 error = tmpLine.substring(1);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2896 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2897 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2898 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2899 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2900 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2901
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2902 // 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
2903 if (sendThreadInUse) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2904 String tmp = sendThread.getErrors();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2905 if (tmp != null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2906 if (error == null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2907 error = "08000!" + tmp;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2908 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2909 error += "\n08000!" + tmp;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2910 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2911 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2912 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2913 if (error != null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2914 SQLException ret = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2915 String[] errors = error.split("\n");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2916 for (int i = 0; i < errors.length; i++) {
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
2917 SQLException newErr;
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
2918 if (errors[i].length() >= 6) {
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
2919 newErr = new SQLException(errors[i].substring(6), errors[i].substring(0, 5));
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2920 } else {
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
2921 newErr = new SQLNonTransientConnectionException(errors[i], "08000");
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
2922 }
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
2923 if (ret == null) {
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
2924 ret = newErr;
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
2925 } else {
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
2926 ret.setNextException(newErr);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2927 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2928 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2929 throw ret;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2930 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2931 } catch (SocketTimeoutException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2932 close(); // JDBC 4.1 semantics, abort()
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
2933 throw new SQLNonTransientConnectionException("connection timed out", "08M33");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2934 } catch (IOException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2935 closed = true;
144
d6abd1ffffbb Use SQLNonTransientConnectionException instead of SQLException where applicable (SQLState starts with 08)
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 136
diff changeset
2936 throw new SQLNonTransientConnectionException(e.getMessage() + " (mserver5 still alive?)", "08006");
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2937 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2938 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2939 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2940 // }}}
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2941
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2942 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2943 * 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
2944 * 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
2945 * 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
2946 * 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
2947 * 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
2948 * 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
2949 * separate thread only will block.<br />
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2950 * 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
2951 * high.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2952 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2953 // {{{ SendThread class implementation
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2954 static class SendThread extends Thread {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2955 /** 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
2956 * something to do */
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
2957 private static final int WAIT = 0;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2958 /** The state QUERY represents this thread to be executing a query */
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
2959 private static final int QUERY = 1;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2960 /** The state SHUTDOWN is the final state that ends this thread */
186
4767b005a531 Making variables private where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 184
diff changeset
2961 private static final int SHUTDOWN = -1;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2962
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2963 private String[] templ;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2964 private String query;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2965 private BufferedMCLWriter out;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2966 private String error;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2967 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
2968
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2969 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
2970 final Condition queryAvailable = sendLock.newCondition();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2971 final Condition waiting = sendLock.newCondition();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2972
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2973 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2974 * 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
2975 * into daemon mode.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2976 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2977 * @param monet the socket to write to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2978 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2979 public SendThread(BufferedMCLWriter out) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2980 super("SendThread");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2981 setDaemon(true);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2982 this.out = out;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2983 start();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2984 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2985
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2986 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2987 public void run() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2988 sendLock.lock();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2989 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2990 while (true) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2991 while (state == WAIT) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2992 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2993 queryAvailable.await();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2994 } catch (InterruptedException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2995 // woken up, eh?
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2996 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2997 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2998 if (state == SHUTDOWN)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
2999 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3000
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3001 // state is QUERY here
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3002 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3003 out.writeLine(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3004 (templ[0] == null ? "" : templ[0]) +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3005 query +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3006 (templ[1] == null ? "" : templ[1]));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3007 } catch (IOException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3008 error = e.getMessage();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3009 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3010
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3011 // 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
3012 // for us in throwErrors
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3013 state = WAIT;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3014 waiting.signal();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3015 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3016 } finally {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3017 sendLock.unlock();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3018 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3019 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3020
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3021 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3022 * 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
3023 * 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
3024 * throwErrors()) before this method is called!
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3025 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3026 * @param templ the query template
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3027 * @param query the query itself
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3028 * @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
3029 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3030 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
3031 sendLock.lock();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3032 try {
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
3033 if (state != WAIT)
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3034 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
3035
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3036 this.templ = templ;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3037 this.query = query;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3038
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3039 // 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
3040 state = QUERY;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3041 queryAvailable.signal();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3042 } finally {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3043 sendLock.unlock();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3044 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3045 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3046
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3047 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3048 * Returns errors encountered during the sending process.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3049 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3050 * @return the errors or null if none
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3051 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3052 public String getErrors() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3053 sendLock.lock();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3054 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3055 // 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
3056 while (state == QUERY) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3057 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3058 waiting.await();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3059 } catch (InterruptedException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3060 // just try again
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3061 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3062 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3063 if (state == SHUTDOWN)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3064 error = "SendThread is shutting down";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3065 } finally {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3066 sendLock.unlock();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3067 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3068 return error;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3069 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3070
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3071 /**
45
c2bf983dc79b Implemented Connection methods: getClientInfo(name) and getClientInfo().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 25
diff changeset
3072 * Requests this SendThread to stop.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3073 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3074 public void shutdown() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3075 sendLock.lock();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3076 state = SHUTDOWN;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3077 sendLock.unlock();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3078 this.interrupt(); // break any wait conditions
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3079 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3080 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3081 // }}}
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
3082 }