monetdb-java: src/main/java/nl/cwi/monetdb/jdbc/MonetConnection.java annotate

author	Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
date	Thu, 20 Oct 2016 16:58:20 +0200 (2016-10-20)
parents	a27ee2cb14a0
children	7e0d71a22677 c2bf983dc79b

rev	line source
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	1 /*
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	2 * This Source Code Form is subject to the terms of the Mozilla Public
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	3 * License, v. 2.0. If a copy of the MPL was not distributed with this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	4 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	5 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	6 * Copyright 1997 - July 2008 CWI, August 2008 - 2016 MonetDB B.V.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	7 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	8
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	9 package nl.cwi.monetdb.jdbc;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	10
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	11 import java.io.File;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	12 import java.io.IOException;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	13 import java.net.SocketException;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	14 import java.net.SocketTimeoutException;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	15 import java.sql.Array;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	16 import java.sql.Blob;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	17 import java.sql.CallableStatement;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	18 import java.sql.Clob;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	19 import java.sql.Connection;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	20 import java.sql.DatabaseMetaData;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	21 import java.sql.NClob;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	22 import java.sql.PreparedStatement;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	23 import java.sql.ResultSet;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	24 import java.sql.SQLException;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	25 import java.sql.SQLFeatureNotSupportedException;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	26 import java.sql.SQLWarning;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	27 import java.sql.SQLXML;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	28 import java.sql.Savepoint;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	29 import java.sql.Statement;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	30 import java.sql.Struct;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	31 import java.util.ArrayList;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	32 import java.util.Calendar;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	33 import java.util.HashMap;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	34 import java.util.List;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	35 import java.util.Map;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	36 import java.util.Map.Entry;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	37 import java.util.Properties;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	38 import java.util.WeakHashMap;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	39 import java.util.concurrent.Executor;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	40 import java.util.concurrent.locks.Condition;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	41 import java.util.concurrent.locks.Lock;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	42 import java.util.concurrent.locks.ReentrantLock;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	43
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	44 import nl.cwi.monetdb.jdbc.types.INET;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	45 import nl.cwi.monetdb.jdbc.types.URL;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	46 import nl.cwi.monetdb.mcl.MCLException;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	47 import nl.cwi.monetdb.mcl.io.BufferedMCLReader;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	48 import nl.cwi.monetdb.mcl.io.BufferedMCLWriter;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	49 import nl.cwi.monetdb.mcl.net.MapiSocket;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	50 import nl.cwi.monetdb.mcl.parser.HeaderLineParser;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	51 import nl.cwi.monetdb.mcl.parser.MCLParseException;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	52 import nl.cwi.monetdb.mcl.parser.StartOfHeaderParser;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	53
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	54 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	55 * A {@link Connection} suitable for the MonetDB database.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	56 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	57 * This connection represents a connection (session) to a MonetDB
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	58 * database. SQL statements are executed and results are returned within
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	59 * the context of a connection. This Connection object holds a physical
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	60 * connection to the MonetDB database.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	61 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	62 * A Connection object's database should able to provide information
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	63 * describing its tables, its supported SQL grammar, its stored
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	64 * procedures, the capabilities of this connection, and so on. This
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	65 * information is obtained with the getMetaData method.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	66 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	67 * Note: By default a Connection object is in auto-commit mode, which
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	68 * means that it automatically commits changes after executing each
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	69 * statement. If auto-commit mode has been disabled, the method commit
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	70 * must be called explicitly in order to commit changes; otherwise,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	71 * database changes will not be saved.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	72 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	73 * The current state of this connection is that it nearly implements the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	74 * whole Connection interface.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	75 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	76 * @author Fabian Groffen
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	77 * @version 1.2
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	78 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	79 public class MonetConnection extends MonetWrapper implements Connection {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	80 /** The hostname to connect to */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	81 private final String hostname;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	82 /** The port to connect on the host to */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	83 private final int port;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	84 /** The database to use (currently not used) */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	85 private final String database;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	86 /** The username to use when authenticating */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	87 private final String username;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	88 /** The password to use when authenticating */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	89 private final String password;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	90 /** A connection to mserver5 using a TCP socket */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	91 private final MapiSocket server;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	92 /** The Reader from the server */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	93 private final BufferedMCLReader in;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	94 /** The Writer to the server */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	95 private final BufferedMCLWriter out;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	96
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	97 /** A StartOfHeaderParser declared for reuse. */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	98 private StartOfHeaderParser sohp = new StartOfHeaderParser();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	99
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	100 /** Whether this Connection is closed (and cannot be used anymore) */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	101 private boolean closed;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	102
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	103 /** Whether this Connection is in autocommit mode */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	104 private boolean autoCommit = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	105
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	106 /** The stack of warnings for this Connection object */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	107 private SQLWarning warnings = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	108 /** The Connection specific mapping of user defined types to Java
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	109 * types */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	110 private Map<String,Class<?>> typeMap = new HashMap<String,Class<?>>() {/**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	111 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	112 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	113 private static final long serialVersionUID = 1L;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	114 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	115 put("inet", INET.class);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	116 put("url", URL.class);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	117 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	118 };
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	119
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	120 // See javadoc for documentation about WeakHashMap if you don't know what
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	121 // it does !!!NOW!!! (only when you deal with it of course)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	122 /** A Map containing all (active) Statements created from this Connection */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	123 private Map<Statement,?> statements = new WeakHashMap<Statement, Object>();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	124
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	125 /** The number of results we receive from the server at once */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	126 private int curReplySize = -1; // the server by default uses -1 (all)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	127
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	128 /** A template to apply to each query (like pre and post fixes) */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	129 String[] queryTempl;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	130 /** A template to apply to each command (like pre and post fixes) */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	131 String[] commandTempl;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	132
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	133 /** the SQL language */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	134 final static int LANG_SQL = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	135 /** the MAL language (officially NOT supported) */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	136 final static int LANG_MAL = 3;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	137 /** an unknown language */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	138 final static int LANG_UNKNOWN = -1;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	139 /** The language which is used */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	140 final int lang;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	141
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	142 /** Whether or not BLOB is mapped to BINARY within the driver */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	143 private final boolean blobIsBinary;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	144
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	145 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	146 * Constructor of a Connection for MonetDB. At this moment the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	147 * current implementation limits itself to storing the given host,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	148 * database, username and password for later use by the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	149 * createStatement() call. This constructor is only accessible to
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	150 * classes from the jdbc package.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	151 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	152 * @param props a Property hashtable holding the properties needed for
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	153 * connecting
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	154 * @throws SQLException if a database error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	155 * @throws IllegalArgumentException is one of the arguments is null or empty
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	156 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	157 MonetConnection(Properties props)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	158 throws SQLException, IllegalArgumentException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	159 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	160 this.hostname = props.getProperty("host");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	161 int port;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	162 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	163 port = Integer.parseInt(props.getProperty("port"));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	164 } catch (NumberFormatException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	165 port = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	166 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	167 this.port = port;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	168 this.database = props.getProperty("database");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	169 this.username = props.getProperty("user");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	170 this.password = props.getProperty("password");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	171 String language = props.getProperty("language");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	172 boolean debug = Boolean.valueOf(props.getProperty("debug")).booleanValue();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	173 String hash = props.getProperty("hash");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	174 blobIsBinary = Boolean.valueOf(props.getProperty("treat_blob_as_binary")).booleanValue();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	175 int sockTimeout = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	176 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	177 sockTimeout = Integer.parseInt(props.getProperty("so_timeout"));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	178 } catch (NumberFormatException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	179 sockTimeout = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	180 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	181 // check input arguments
8 a27ee2cb14a0 Replace String methods equals("") and "".equals( with isEmpty() Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	182 if (hostname == null \|\| hostname.trim().isEmpty())
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	183 throw new IllegalArgumentException("hostname should not be null or empty");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	184 if (port == 0)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	185 throw new IllegalArgumentException("port should not be 0");
8 a27ee2cb14a0 Replace String methods equals("") and "".equals( with isEmpty() Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	186 if (username == null \|\| username.trim().isEmpty())
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	187 throw new IllegalArgumentException("user should not be null or empty");
8 a27ee2cb14a0 Replace String methods equals("") and "".equals( with isEmpty() Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	188 if (password == null \|\| password.trim().isEmpty())
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	189 throw new IllegalArgumentException("password should not be null or empty");
8 a27ee2cb14a0 Replace String methods equals("") and "".equals( with isEmpty() Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 0 diff changeset	190 if (language == null \|\| language.trim().isEmpty()) {
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	191 language = "sql";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	192 addWarning("No language given, defaulting to 'sql'", "M1M05");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	193 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	194
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	195 // initialise query templates (filled later, but needed below)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	196 queryTempl = new String[3]; // pre, post, sep
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	197 commandTempl = new String[3]; // pre, post, sep
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	198
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	199 server = new MapiSocket();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	200
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	201 if (hash != null) server.setHash(hash);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	202 if (database != null) server.setDatabase(database);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	203 server.setLanguage(language);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	204
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	205 // we're debugging here... uhm, should be off in real life
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	206 if (debug) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	207 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	208 String fname = props.getProperty("logfile", "monet_" +
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	209 System.currentTimeMillis() + ".log");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	210 File f = new File(fname);
25 5ec116ba7d71 When single character use faster version of indexOf(<char>) Martin van Dinther <martin.van.dinther@monetdbsolutions.com> parents: 8 diff changeset	211 int ext = fname.lastIndexOf('.');
0 a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	212 if (ext < 0) ext = fname.length();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	213 String pre = fname.substring(0, ext);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	214 String suf = fname.substring(ext);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	215
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	216 for (int i = 1; f.exists(); i++) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	217 f = new File(pre + "-" + i + suf);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	218 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	219
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	220 server.debug(f.getAbsolutePath());
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	221 } catch (IOException ex) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	222 throw new SQLException("Opening logfile failed: " + ex.getMessage(), "08M01");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	223 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	224 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	225
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	226 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	227 List<String> warnings =
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	228 server.connect(hostname, port, username, password);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	229 for (String warning : warnings) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	230 addWarning(warning, "01M02");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	231 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	232
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	233 // apply NetworkTimeout value from legacy (pre 4.1) driver
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	234 // so_timeout calls
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	235 server.setSoTimeout(sockTimeout);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	236
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	237 in = server.getReader();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	238 out = server.getWriter();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	239
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	240 String error = in.waitForPrompt();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	241 if (error != null)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	242 throw new SQLException(error.substring(6), "08001");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	243 } catch (IOException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	244 throw new SQLException("Unable to connect (" + hostname + ":" + port + "): " + e.getMessage(), "08006");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	245 } catch (MCLParseException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	246 throw new SQLException(e.getMessage(), "08001");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	247 } catch (MCLException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	248 String[] connex = e.getMessage().split("\n");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	249 SQLException sqle = new SQLException(connex[0], "08001", e);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	250 for (int i = 1; i < connex.length; i++) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	251 sqle.setNextException(new SQLException(connex[1], "08001"));
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	252 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	253 throw sqle;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	254 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	255
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	256 // we seem to have managed to log in, let's store the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	257 // language used
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	258 if ("sql".equals(language)) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	259 lang = LANG_SQL;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	260 } else if ("mal".equals(language)) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	261 lang = LANG_MAL;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	262 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	263 lang = LANG_UNKNOWN;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	264 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	265
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	266 // fill the query templates
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	267 if (lang == LANG_SQL) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	268 queryTempl[0] = "s"; // pre
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	269 queryTempl[1] = "\n;"; // post
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	270 queryTempl[2] = "\n;\n"; // separator
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	271
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	272 commandTempl[0] = "X"; // pre
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	273 commandTempl[1] = null; // post
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	274 commandTempl[2] = "\nX"; // separator
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	275 } else if (lang == LANG_MAL) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	276 queryTempl[0] = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	277 queryTempl[1] = ";\n";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	278 queryTempl[2] = ";\n";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	279
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	280 commandTempl[0] = null; // pre
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	281 commandTempl[1] = null; // post
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	282 commandTempl[2] = null; // separator
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	283 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	284
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	285 // the following initialisers are only valid when the language
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	286 // is SQL...
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	287 if (lang == LANG_SQL) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	288 // enable auto commit
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	289 setAutoCommit(true);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	290 // set our time zone on the server
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	291 Calendar cal = Calendar.getInstance();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	292 int offset = cal.get(Calendar.ZONE_OFFSET) + cal.get(Calendar.DST_OFFSET);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	293 offset /= (60 * 1000); // milliseconds to minutes
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	294 String tz = offset < 0 ? "-" : "+";
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	295 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	296 offset -= (offset / 60) * 60;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	297 tz += (offset < 10 ? "0" : "") + offset;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	298 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	299 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	300
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	301 // 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	302 closed = false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	303 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	304
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	305 //== methods of interface Connection
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	306
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	307 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	308 * 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	309 * 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	310 * new warning is reported for this Connection object.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	311 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	312 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	313 public void clearWarnings() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	314 warnings = null;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	315 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	316
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	317 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	318 * 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	319 * 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	320 * 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	321 * closed when this method is called.
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 * 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	324 * closed is a no-op.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	325 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	326 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	327 public void close() {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	328 synchronized (server) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	329 for (Statement st : statements.keySet()) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	330 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	331 st.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	332 } catch (SQLException e) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	333 // better luck next time!
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	334 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	335 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	336 // close the socket
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	337 server.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	338 // close active SendThread if any
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	339 if (sendThread != null) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	340 sendThread.shutdown();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	341 sendThread = null;
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 // report ourselves as closed
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	344 closed = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	345 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	346 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	347
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	348 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	349 * 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	350 * 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	351 * 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	352 * auto-commit mode has been disabled.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	353 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	354 * @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	355 * Connection object is in auto-commit mode
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	356 * @see #setAutoCommit(boolean)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	357 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	358 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	359 public void commit() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	360 // 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	361 // to process the auto_commit state the server gives
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	362
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	363 // create a container for the result
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	364 ResponseList l = new ResponseList(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	365 0,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	366 0,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	367 ResultSet.FETCH_FORWARD,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	368 ResultSet.CONCUR_READ_ONLY
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 // send commit to the server
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	371 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	372 l.processQuery("COMMIT");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	373 } finally {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	374 l.close();
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	375 }
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
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	378 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	379 * Factory method for creating Array objects.
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 * Note: When createArrayOf is used to create an array object that
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	382 * maps to a primitive data type, then it is implementation-defined
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	383 * whether the Array object is an array of that primitive data type
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	384 * or an array of Object.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	385 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	386 * Note: The JDBC driver is responsible for mapping the elements
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	387 * Object array to the default JDBC SQL type defined in
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	388 * java.sql.Types for the given class of Object. The default mapping
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	389 * is specified in Appendix B of the JDBC specification. If the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	390 * resulting JDBC type is not the appropriate type for the given
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	391 * typeName then it is implementation defined whether an
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	392 * SQLException is thrown or the driver supports the resulting
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	393 * conversion.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	394 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	395 * @param typeName the SQL name of the type the elements of the
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	396 * array map to. The typeName is a database-specific name
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	397 * which may be the name of a built-in type, a user-defined
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	398 * type or a standard SQL type supported by this database.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	399 * This is the value returned by Array.getBaseTypeName
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	400 * @return an Array object whose elements map to the specified SQL
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	401 * type
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	402 * @throws SQLException if a database error occurs, the JDBC type
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	403 * is not appropriate for the typeName and the conversion is
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	404 * not supported, the typeName is null or this method is
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	405 * called on a closed connection
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	406 * @throws SQLFeatureNotSupportedException the JDBC driver does
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	407 * not support this data type
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	408 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	409 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	410 public Array createArrayOf(String typeName, Object[] elements)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	411 throws SQLException
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 throw new SQLFeatureNotSupportedException("createArrayOf(String, Object[]) not supported", "0A000");
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	414 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	415
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	416 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	417 * 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	418 * database. SQL statements without parameters are normally
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	419 * 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	420 * 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	421 * PreparedStatement object.
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 * 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	424 * 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	425 * CONCUR_READ_ONLY.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	426 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	427 * @return a new default Statement object
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	428 * @throws SQLException if a database access error occurs
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 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	431 public Statement createStatement() throws SQLException {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	432 return createStatement(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	433 ResultSet.TYPE_FORWARD_ONLY,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	434 ResultSet.CONCUR_READ_ONLY,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	435 ResultSet.HOLD_CURSORS_OVER_COMMIT);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	436 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	437
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	438 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	439 * 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	440 * 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	441 * 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	442 * result set type and concurrency to be overridden.
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 * @param resultSetType a result set type; one of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	445 * ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	446 * or ResultSet.TYPE_SCROLL_SENSITIVE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	447 * @param resultSetConcurrency a concurrency type; one of
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	448 * ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	449 * @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	450 * the given type and concurrency
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	451 * @throws SQLException if a database access error occurs
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	452 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	453 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	454 public Statement createStatement(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	455 int resultSetType,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	456 int resultSetConcurrency)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	457 throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	458 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	459 return createStatement(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	460 resultSetType,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	461 resultSetConcurrency,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	462 ResultSet.HOLD_CURSORS_OVER_COMMIT);
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
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	465 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	466 * 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	467 * 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	468 * 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	469 * 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	470 * overridden.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	471 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	472 * @param resultSetType one of the following ResultSet constants:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	473 * ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	474 * or ResultSet.TYPE_SCROLL_SENSITIVE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	475 * @param resultSetConcurrency one of the following ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	476 * constants: ResultSet.CONCUR_READ_ONLY or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	477 * ResultSet.CONCUR_UPDATABLE
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	478 * @param resultSetHoldability one of the following ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	479 * constants: ResultSet.HOLD_CURSORS_OVER_COMMIT or
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	480 * ResultSet.CLOSE_CURSORS_AT_COMMIT
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	481 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	482 * @return a new Statement object that will generate ResultSet
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	483 * objects with the given type, concurrency, and holdability
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	484 * @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	485 * given parameters are not ResultSet constants indicating type,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	486 * concurrency, and holdability
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	487 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	488 @Override
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	489 public Statement createStatement(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	490 int resultSetType,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	491 int resultSetConcurrency,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	492 int resultSetHoldability)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	493 throws SQLException
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	494 {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	495 try {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	496 Statement ret =
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	497 new MonetStatement(
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	498 this,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	499 resultSetType,
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31. Sjoerd Mullender <sjoerd@acm.org> parents: diff changeset	500 resultSetConcurrency,

0

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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1 /*

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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2 * This Source Code Form is subject to the terms of the Mozilla Public

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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3 * License, v. 2.0. If a copy of the MPL was not distributed with this

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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diff changeset

5 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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diff changeset

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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7 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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8

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

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9 package nl.cwi.monetdb.jdbc;

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Sjoerd Mullender <sjoerd@acm.org>

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10

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

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11 import java.io.File;

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Sjoerd Mullender <sjoerd@acm.org>

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12 import java.io.IOException;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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13 import java.net.SocketException;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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14 import java.net.SocketTimeoutException;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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15 import java.sql.Array;

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Sjoerd Mullender <sjoerd@acm.org>

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16 import java.sql.Blob;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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17 import java.sql.CallableStatement;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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18 import java.sql.Clob;

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19 import java.sql.Connection;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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20 import java.sql.DatabaseMetaData;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

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21 import java.sql.NClob;

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Sjoerd Mullender <sjoerd@acm.org>

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22 import java.sql.PreparedStatement;

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23 import java.sql.ResultSet;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

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24 import java.sql.SQLException;

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25 import java.sql.SQLFeatureNotSupportedException;

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26 import java.sql.SQLWarning;

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27 import java.sql.SQLXML;

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28 import java.sql.Savepoint;

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29 import java.sql.Statement;

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30 import java.sql.Struct;

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31 import java.util.ArrayList;

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32 import java.util.Calendar;

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33 import java.util.HashMap;

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34 import java.util.List;

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35 import java.util.Map;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

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36 import java.util.Map.Entry;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

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diff changeset

37 import java.util.Properties;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

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38 import java.util.WeakHashMap;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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39 import java.util.concurrent.Executor;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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40 import java.util.concurrent.locks.Condition;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

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diff changeset

41 import java.util.concurrent.locks.Lock;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

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42 import java.util.concurrent.locks.ReentrantLock;

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Sjoerd Mullender <sjoerd@acm.org>

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43

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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diff changeset

44 import nl.cwi.monetdb.jdbc.types.INET;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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diff changeset

45 import nl.cwi.monetdb.jdbc.types.URL;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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diff changeset

46 import nl.cwi.monetdb.mcl.MCLException;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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diff changeset

47 import nl.cwi.monetdb.mcl.io.BufferedMCLReader;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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48 import nl.cwi.monetdb.mcl.io.BufferedMCLWriter;

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49 import nl.cwi.monetdb.mcl.net.MapiSocket;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

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diff changeset

50 import nl.cwi.monetdb.mcl.parser.HeaderLineParser;

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Sjoerd Mullender <sjoerd@acm.org>

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diff changeset

51 import nl.cwi.monetdb.mcl.parser.MCLParseException;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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diff changeset

52 import nl.cwi.monetdb.mcl.parser.StartOfHeaderParser;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

53

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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diff changeset

54 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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diff changeset

55 * A {@link Connection} suitable for the MonetDB database.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

56 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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diff changeset

57 * This connection represents a connection (session) to a MonetDB

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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diff changeset

58 * database. SQL statements are executed and results are returned within

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

59 * the context of a connection. This Connection object holds a physical

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

60 * connection to the MonetDB database.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

61 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

62 * A Connection object's database should able to provide information

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

63 * describing its tables, its supported SQL grammar, its stored

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

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64 * procedures, the capabilities of this connection, and so on. This

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65 * information is obtained with the getMetaData method.

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66 *

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67 * Note: By default a Connection object is in auto-commit mode, which

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68 * means that it automatically commits changes after executing each

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69 * statement. If auto-commit mode has been disabled, the method commit

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70 * must be called explicitly in order to commit changes; otherwise,

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71 * database changes will not be saved.

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72 *

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73 * The current state of this connection is that it nearly implements the

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74 * whole Connection interface.

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75 *

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76 * @author Fabian Groffen

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77 * @version 1.2

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78 */

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79 public class MonetConnection extends MonetWrapper implements Connection {

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80 /** The hostname to connect to */

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81 private final String hostname;

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82 /** The port to connect on the host to */

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83 private final int port;

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84 /** The database to use (currently not used) */

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85 private final String database;

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86 /** The username to use when authenticating */

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87 private final String username;

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88 /** The password to use when authenticating */

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89 private final String password;

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90 /** A connection to mserver5 using a TCP socket */

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91 private final MapiSocket server;

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92 /** The Reader from the server */

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93 private final BufferedMCLReader in;

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94 /** The Writer to the server */

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95 private final BufferedMCLWriter out;

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96

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97 /** A StartOfHeaderParser declared for reuse. */

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98 private StartOfHeaderParser sohp = new StartOfHeaderParser();

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99

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100 /** Whether this Connection is closed (and cannot be used anymore) */

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101 private boolean closed;

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102

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103 /** Whether this Connection is in autocommit mode */

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104 private boolean autoCommit = true;

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105

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106 /** The stack of warnings for this Connection object */

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107 private SQLWarning warnings = null;

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108 /** The Connection specific mapping of user defined types to Java

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109 * types */

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110 private Map<String,Class<?>> typeMap = new HashMap<String,Class<?>>() {/**

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111 *

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112 */

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113 private static final long serialVersionUID = 1L;

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114 {

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115 put("inet", INET.class);

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116 put("url", URL.class);

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117 }

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118 };

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119

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120 // See javadoc for documentation about WeakHashMap if you don't know what

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121 // it does !!!NOW!!! (only when you deal with it of course)

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122 /** A Map containing all (active) Statements created from this Connection */

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123 private Map<Statement,?> statements = new WeakHashMap<Statement, Object>();

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124

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125 /** The number of results we receive from the server at once */

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126 private int curReplySize = -1; // the server by default uses -1 (all)

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127

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128 /** A template to apply to each query (like pre and post fixes) */

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129 String[] queryTempl;

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130 /** A template to apply to each command (like pre and post fixes) */

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131 String[] commandTempl;

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132

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133 /** the SQL language */

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134 final static int LANG_SQL = 0;

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135 /** the MAL language (officially *NOT* supported) */

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136 final static int LANG_MAL = 3;

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137 /** an unknown language */

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138 final static int LANG_UNKNOWN = -1;

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139 /** The language which is used */

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140 final int lang;

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141

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142 /** Whether or not BLOB is mapped to BINARY within the driver */

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143 private final boolean blobIsBinary;

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144

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145 /**

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146 * Constructor of a Connection for MonetDB. At this moment the

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147 * current implementation limits itself to storing the given host,

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148 * database, username and password for later use by the

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149 * createStatement() call. This constructor is only accessible to

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150 * classes from the jdbc package.

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151 *

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152 * @param props a Property hashtable holding the properties needed for

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153 * connecting

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154 * @throws SQLException if a database error occurs

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155 * @throws IllegalArgumentException is one of the arguments is null or empty

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156 */

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157 MonetConnection(Properties props)

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158 throws SQLException, IllegalArgumentException

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159 {

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160 this.hostname = props.getProperty("host");

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161 int port;

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162 try {

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163 port = Integer.parseInt(props.getProperty("port"));

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164 } catch (NumberFormatException e) {

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165 port = 0;

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166 }

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167 this.port = port;

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168 this.database = props.getProperty("database");

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169 this.username = props.getProperty("user");

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170 this.password = props.getProperty("password");

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171 String language = props.getProperty("language");

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172 boolean debug = Boolean.valueOf(props.getProperty("debug")).booleanValue();

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173 String hash = props.getProperty("hash");

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174 blobIsBinary = Boolean.valueOf(props.getProperty("treat_blob_as_binary")).booleanValue();

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175 int sockTimeout = 0;

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176 try {

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177 sockTimeout = Integer.parseInt(props.getProperty("so_timeout"));

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178 } catch (NumberFormatException e) {

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179 sockTimeout = 0;

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180 }

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181 // check input arguments

8

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182 if (hostname == null || hostname.trim().isEmpty())

0

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183 throw new IllegalArgumentException("hostname should not be null or empty");

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184 if (port == 0)

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185 throw new IllegalArgumentException("port should not be 0");

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186 if (username == null || username.trim().isEmpty())

0

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187 throw new IllegalArgumentException("user should not be null or empty");

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188 if (password == null || password.trim().isEmpty())

0

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189 throw new IllegalArgumentException("password should not be null or empty");

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190 if (language == null || language.trim().isEmpty()) {

0

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191 language = "sql";

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192 addWarning("No language given, defaulting to 'sql'", "M1M05");

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193 }

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194

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195 // initialise query templates (filled later, but needed below)

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196 queryTempl = new String[3]; // pre, post, sep

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197 commandTempl = new String[3]; // pre, post, sep

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198

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199 server = new MapiSocket();

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200

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201 if (hash != null) server.setHash(hash);

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202 if (database != null) server.setDatabase(database);

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203 server.setLanguage(language);

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204

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205 // we're debugging here... uhm, should be off in real life

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206 if (debug) {

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207 try {

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208 String fname = props.getProperty("logfile", "monet_" +

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209 System.currentTimeMillis() + ".log");

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210 File f = new File(fname);

0

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212 if (ext < 0) ext = fname.length();

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213 String pre = fname.substring(0, ext);

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214 String suf = fname.substring(ext);

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215

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216 for (int i = 1; f.exists(); i++) {

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217 f = new File(pre + "-" + i + suf);

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218 }

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219

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220 server.debug(f.getAbsolutePath());

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221 } catch (IOException ex) {

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222 throw new SQLException("Opening logfile failed: " + ex.getMessage(), "08M01");

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223 }

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224 }

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225

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226 try {

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227 List<String> warnings =

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228 server.connect(hostname, port, username, password);

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229 for (String warning : warnings) {

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230 addWarning(warning, "01M02");

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231 }

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232

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233 // apply NetworkTimeout value from legacy (pre 4.1) driver

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234 // so_timeout calls

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235 server.setSoTimeout(sockTimeout);

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236

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237 in = server.getReader();

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238 out = server.getWriter();

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239

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240 String error = in.waitForPrompt();

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241 if (error != null)

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242 throw new SQLException(error.substring(6), "08001");

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243 } catch (IOException e) {

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244 throw new SQLException("Unable to connect (" + hostname + ":" + port + "): " + e.getMessage(), "08006");

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245 } catch (MCLParseException e) {

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246 throw new SQLException(e.getMessage(), "08001");

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247 } catch (MCLException e) {

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248 String[] connex = e.getMessage().split("\n");

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249 SQLException sqle = new SQLException(connex[0], "08001", e);

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250 for (int i = 1; i < connex.length; i++) {

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251 sqle.setNextException(new SQLException(connex[1], "08001"));

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252 }

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253 throw sqle;

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254 }

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255

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256 // we seem to have managed to log in, let's store the

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257 // language used

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258 if ("sql".equals(language)) {

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259 lang = LANG_SQL;

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260 } else if ("mal".equals(language)) {

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261 lang = LANG_MAL;

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262 } else {

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263 lang = LANG_UNKNOWN;

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264 }

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265

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266 // fill the query templates

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267 if (lang == LANG_SQL) {

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268 queryTempl[0] = "s"; // pre

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269 queryTempl[1] = "\n;"; // post

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270 queryTempl[2] = "\n;\n"; // separator

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271

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272 commandTempl[0] = "X"; // pre

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273 commandTempl[1] = null; // post

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274 commandTempl[2] = "\nX"; // separator

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275 } else if (lang == LANG_MAL) {

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276 queryTempl[0] = null;

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277 queryTempl[1] = ";\n";

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278 queryTempl[2] = ";\n";

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279

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280 commandTempl[0] = null; // pre

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281 commandTempl[1] = null; // post

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282 commandTempl[2] = null; // separator

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283 }

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284

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285 // the following initialisers are only valid when the language

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286 // is SQL...

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287 if (lang == LANG_SQL) {

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288 // enable auto commit

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289 setAutoCommit(true);

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290 // set our time zone on the server

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291 Calendar cal = Calendar.getInstance();

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292 int offset = cal.get(Calendar.ZONE_OFFSET) + cal.get(Calendar.DST_OFFSET);

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293 offset /= (60 * 1000); // milliseconds to minutes

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294 String tz = offset < 0 ? "-" : "+";

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295 tz += (Math.abs(offset) / 60 < 10 ? "0" : "") + (Math.abs(offset) / 60) + ":";

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296 offset -= (offset / 60) * 60;

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297 tz += (offset < 10 ? "0" : "") + offset;

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298 sendIndependentCommand("SET TIME ZONE INTERVAL '" + tz + "' HOUR TO MINUTE");

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299 }

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300

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301 // we're absolutely not closed, since we're brand new

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302 closed = false;

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diff changeset

303 }

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diff changeset

304

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diff changeset

305 //== methods of interface Connection

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diff changeset

306

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diff changeset

307 /**

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308 * Clears all warnings reported for this Connection object. After a

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309 * call to this method, the method getWarnings returns null until a

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310 * new warning is reported for this Connection object.

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diff changeset

311 */

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diff changeset

312 @Override

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313 public void clearWarnings() {

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314 warnings = null;

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diff changeset

315 }

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diff changeset

316

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diff changeset

317 /**

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diff changeset

318 * Releases this Connection object's database and JDBC resources

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319 * immediately instead of waiting for them to be automatically

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320 * released. All Statements created from this Connection will be

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diff changeset

321 * closed when this method is called.

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diff changeset

322 *

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Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

323 * 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

324 * closed is a no-op.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

325 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

326 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

327 public void close() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

328 synchronized (server) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

329 for (Statement st : statements.keySet()) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

330 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

331 st.close();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

332 } catch (SQLException e) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

333 // better luck next time!

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Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

334 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

335 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

336 // close the socket

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

337 server.close();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

338 // close active SendThread if any

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

339 if (sendThread != null) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

340 sendThread.shutdown();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

341 sendThread = null;

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 // report ourselves as closed

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Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

344 closed = true;

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Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

345 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

346 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

347

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

348 /**

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Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

349 * 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

350 * 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

351 * 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

352 * auto-commit mode has been disabled.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

353 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

354 * @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

355 * Connection object is in auto-commit mode

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

356 * @see #setAutoCommit(boolean)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

357 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

358 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

359 public void commit() throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

360 // 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

361 // to process the auto_commit state the server gives

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

362

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

363 // create a container for the result

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

364 ResponseList l = new ResponseList(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

365 0,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

366 0,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

367 ResultSet.FETCH_FORWARD,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

368 ResultSet.CONCUR_READ_ONLY

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 // send commit to the server

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

371 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

372 l.processQuery("COMMIT");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

373 } finally {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

374 l.close();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

375 }

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

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

378 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

379 * Factory method for creating Array objects.

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 * Note: When createArrayOf is used to create an array object that

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

382 * maps to a primitive data type, then it is implementation-defined

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

383 * whether the Array object is an array of that primitive data type

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

384 * or an array of Object.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

385 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

386 * Note: The JDBC driver is responsible for mapping the elements

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

387 * Object array to the default JDBC SQL type defined in

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

388 * java.sql.Types for the given class of Object. The default mapping

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

389 * is specified in Appendix B of the JDBC specification. If the

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

390 * resulting JDBC type is not the appropriate type for the given

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

391 * typeName then it is implementation defined whether an

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

392 * SQLException is thrown or the driver supports the resulting

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

393 * conversion.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

394 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

395 * @param typeName the SQL name of the type the elements of the

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

396 * array map to. The typeName is a database-specific name

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

397 * which may be the name of a built-in type, a user-defined

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

398 * type or a standard SQL type supported by this database.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

399 * This is the value returned by Array.getBaseTypeName

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

400 * @return an Array object whose elements map to the specified SQL

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

401 * type

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

402 * @throws SQLException if a database error occurs, the JDBC type

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

403 * is not appropriate for the typeName and the conversion is

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

404 * not supported, the typeName is null or this method is

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

405 * called on a closed connection

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

406 * @throws SQLFeatureNotSupportedException the JDBC driver does

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

407 * not support this data type

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

408 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

409 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

410 public Array createArrayOf(String typeName, Object[] elements)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

411 throws SQLException

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 throw new SQLFeatureNotSupportedException("createArrayOf(String, Object[]) not supported", "0A000");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

414 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

415

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

416 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

417 * 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

418 * database. SQL statements without parameters are normally

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

419 * 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

420 * 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

421 * PreparedStatement object.

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 * 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

424 * 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

425 * CONCUR_READ_ONLY.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

426 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

427 * @return a new default Statement object

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

428 * @throws SQLException if a database access error occurs

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 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

431 public Statement createStatement() throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

432 return createStatement(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

433 ResultSet.TYPE_FORWARD_ONLY,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

434 ResultSet.CONCUR_READ_ONLY,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

435 ResultSet.HOLD_CURSORS_OVER_COMMIT);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

436 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

437

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

438 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

439 * 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

440 * 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

441 * 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

442 * result set type and concurrency to be overridden.

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 * @param resultSetType a result set type; one of

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

445 * ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

446 * or ResultSet.TYPE_SCROLL_SENSITIVE

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

447 * @param resultSetConcurrency a concurrency type; one of

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

448 * ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

449 * @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

450 * the given type and concurrency

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

451 * @throws SQLException if a database access error occurs

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

452 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

453 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

454 public Statement createStatement(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

455 int resultSetType,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

456 int resultSetConcurrency)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

457 throws SQLException

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

458 {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

459 return createStatement(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

460 resultSetType,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

461 resultSetConcurrency,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

462 ResultSet.HOLD_CURSORS_OVER_COMMIT);

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

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

465 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

466 * 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

467 * 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

468 * 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

469 * 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

470 * overridden.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

471 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

472 * @param resultSetType one of the following ResultSet constants:

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

473 * ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

474 * or ResultSet.TYPE_SCROLL_SENSITIVE

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

475 * @param resultSetConcurrency one of the following ResultSet

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

476 * constants: ResultSet.CONCUR_READ_ONLY or

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

477 * ResultSet.CONCUR_UPDATABLE

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

478 * @param resultSetHoldability one of the following ResultSet

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

479 * constants: ResultSet.HOLD_CURSORS_OVER_COMMIT or

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

480 * ResultSet.CLOSE_CURSORS_AT_COMMIT

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

481 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

482 * @return a new Statement object that will generate ResultSet

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

483 * objects with the given type, concurrency, and holdability

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

484 * @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

485 * given parameters are not ResultSet constants indicating type,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

486 * concurrency, and holdability

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

487 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

488 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

489 public Statement createStatement(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

490 int resultSetType,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

491 int resultSetConcurrency,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

492 int resultSetHoldability)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

493 throws SQLException

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

494 {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

495 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

496 Statement ret =

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

497 new MonetStatement(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

498 this,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

499 resultSetType,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

500 resultSetConcurrency,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

501 resultSetHoldability

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

502 );

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

503 // 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

504 statements.put(ret, null);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

505 return ret;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

506 } catch (IllegalArgumentException e) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

507 throw new SQLException(e.toString(), "M0M03");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

508 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

509 // 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

510 // be thrown

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

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

513 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

514 * Constructs an object that implements the Clob interface. The

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

515 * object returned initially contains no data. The setAsciiStream,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

516 * setCharacterStream and setString methods of the Clob interface

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

517 * may be used to add data to the Clob.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

518 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

519 * @return a MonetClob instance

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

520 * @throws SQLFeatureNotSupportedException the JDBC driver does

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

521 * not support MonetClob objects that can be filled in

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

522 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

523 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

524 public Clob createClob() throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

525 throw new SQLFeatureNotSupportedException("createClob() not supported", "0A000");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

526 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

527

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

528 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

529 * Constructs an object that implements the Blob interface. The

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

530 * object returned initially contains no data. The setBinaryStream

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

531 * and setBytes methods of the Blob interface may be used to add

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

532 * data to the Blob.

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 a MonetBlob instance

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

535 * @throws SQLFeatureNotSupportedException the JDBC driver does

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

536 * not support MonetBlob objects that can be filled in

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

537 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

538 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

539 public Blob createBlob() throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

540 throw new SQLFeatureNotSupportedException("createBlob() not supported", "0A000");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

541 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

542

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

543 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

544 * Constructs an object that implements the NClob interface. The

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

545 * object returned initially contains no data. The setAsciiStream,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

546 * setCharacterStream and setString methods of the NClob interface

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

547 * may be used to add data to the NClob.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

548 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

549 * @return an NClob instance

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

550 * @throws SQLFeatureNotSupportedException the JDBC driver does

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

551 * not support MonetClob objects that can be filled in

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 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

554 public NClob createNClob() throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

555 throw new SQLFeatureNotSupportedException("createNClob() not supported", "0A000");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

556 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

557

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

558 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

559 * Factory method for creating Struct objects.

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 * @param typeName the SQL type name of the SQL structured type that

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

562 * this Struct object maps to. The typeName is the name of a

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

563 * user-defined type that has been defined for this database.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

564 * It is the value returned by Struct.getSQLTypeName.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

565 * @param attributes the attributes that populate the returned

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

566 * object

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

567 * @return a Struct object that maps to the given SQL type and is

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

568 * populated with the given attributes

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

569 * @throws SQLException if a database error occurs, the typeName

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

570 * is null or this method is called on a closed connection

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

571 * @throws SQLFeatureNotSupportedException the JDBC driver does

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

572 * not support this data type

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

573 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

574 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

575 public Struct createStruct(String typeName, Object[] attributes)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

576 throws SQLException

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

577 {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

578 throw new SQLFeatureNotSupportedException("createStruct() not supported", "0A000");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

579 }

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 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

582 * Constructs an object that implements the SQLXML interface. The

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

583 * object returned initially contains no data. The

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

584 * createXmlStreamWriter object and setString method of the SQLXML

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

585 * interface may be used to add data to the SQLXML object.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

586 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

587 * @return An object that implements the SQLXML interface

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

588 * @throws SQLFeatureNotSupportedException the JDBC driver does

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

589 * not support this data type

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

590 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

591 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

592 public SQLXML createSQLXML() throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

593 throw new SQLFeatureNotSupportedException("createSQLXML() not supported", "0A000");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

594 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

595

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

596 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

597 * Retrieves the current auto-commit mode for this Connection

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

598 * object.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

599 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

600 * @return the current state of this Connection object's auto-commit

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

601 * mode

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

602 * @see #setAutoCommit(boolean)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

603 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

604 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

605 public boolean getAutoCommit() throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

606 return autoCommit;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

607 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

608

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 * Retrieves this Connection object's current catalog name.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

611 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

612 * @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

613 * @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

614 * current language is not SQL

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 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

617 public String getCatalog() throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

618 // MonetDB does NOT support catalogs

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

619 return null;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

620 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

621

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

622 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

623 * Not implemented by MonetDB's JDBC driver.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

624 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

625 * @param name The name of the client info property to retrieve

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

626 * @return The value of the client info property specified

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

627 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

628 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

629 public String getClientInfo(String name) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

630 // This method will also return null if the specified client

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

631 // info property name is not supported by the driver.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

632 return null;

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>

parents:

diff changeset

635 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

636 * Not implemented by MonetDB's JDBC driver.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

637 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

638 * @return A Properties object that contains the name and current

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

639 * value of each of the client info properties supported by

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

640 * the driver.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

641 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

642 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

643 public Properties getClientInfo() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

644 return new Properties();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

645 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

646

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

647 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

648 * Retrieves the current holdability of ResultSet objects created

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

649 * using this Connection object.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

650 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

651 * @return the holdability, one of

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

652 * ResultSet.HOLD_CURSORS_OVER_COMMIT or

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

653 * ResultSet.CLOSE_CURSORS_AT_COMMIT

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

654 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

655 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

656 public int getHoldability() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

657 // 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

658 // CLOSE_CURSORS_AT_COMMIT

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

659 return ResultSet.HOLD_CURSORS_OVER_COMMIT;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

660 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

661

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

662 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

663 * Retrieves a DatabaseMetaData object that contains metadata about

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

664 * 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

665 * connection. The metadata includes information about the

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

666 * 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

667 * 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

668 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

669 * @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

670 * @return a DatabaseMetaData object for this Connection object

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

671 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

672 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

673 public DatabaseMetaData getMetaData() throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

674 if (lang != LANG_SQL)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

675 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

676

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

677 return new MonetDatabaseMetaData(this);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

678 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

679

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

680 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

681 * Retrieves this Connection object's current transaction isolation

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

682 * level.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

683 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

684 * @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

685 * Connection.TRANSACTION_SERIALIZABLE

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

686 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

687 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

688 public int getTransactionIsolation() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

689 return TRANSACTION_SERIALIZABLE;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

690 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

691

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

692 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

693 * 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

694 * 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

695 * will be empty.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

696 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

697 * @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

698 * object

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

699 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

700 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

701 public Map<String,Class<?>> getTypeMap() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

702 return typeMap;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

703 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

704

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

705 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

706 * 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

707 * 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

708 * 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

709 * 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

710 * retrieved previously.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

711 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

712 * 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

713 * will cause an SQLException to be thrown.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

714 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

715 * 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

716 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

717 * @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

718 * @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

719 * called on a closed connection

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

720 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

721 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

722 public SQLWarning getWarnings() throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

723 if (closed)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

724 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

725

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

726 // 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

727 // specification.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

728 return warnings;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

729 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

730

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

731 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

732 * 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

733 * connection is closed if the method close has been called on it or

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

734 * if certain fatal errors have occurred. This method is guaranteed

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

735 * to return true only when it is called after the method

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

736 * Connection.close has been called.

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 * This method generally cannot be called to determine whether a

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

739 * connection to a database is valid or invalid. A typical client

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

740 * can determine that a connection is invalid by catching any

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

741 * exceptions that might be thrown when an operation is attempted.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

742 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

743 * @return true if this Connection object is closed; false if it is

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

744 * still open

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

745 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

746 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

747 public boolean isClosed() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

748 return closed;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

749 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

750

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

751 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

752 * Retrieves whether this Connection object is in read-only mode.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

753 * 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

754 * updates are possible. Hence the Connection object is never in

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

755 * read-only mode.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

756 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

757 * @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

758 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

759 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

760 public boolean isReadOnly() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

761 return false;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

762 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

763

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 * Returns true if the connection has not been closed and is still

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

766 * valid. The driver shall submit a query on the connection or use

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

767 * some other mechanism that positively verifies the connection is

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

768 * still valid when this method is called.

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 * The query submitted by the driver to validate the connection

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

771 * shall be executed in the context of the current transaction.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

772 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

773 * @param timeout The time in seconds to wait for the database

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

774 * operation used to validate the connection to complete. If

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

775 * the timeout period expires before the operation completes,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

776 * this method returns false. A value of 0 indicates a

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

777 * timeout is not applied to the database operation.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

778 * @return true if the connection is valid, false otherwise

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

779 * @throws SQLException if the value supplied for timeout is less

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

780 * than 0

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

781 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

782 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

783 public boolean isValid(int timeout) throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

784 if (timeout < 0)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

785 throw new SQLException("timeout is less than 0", "M1M05");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

786 if (closed)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

787 return false;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

788 // ping db using select 1;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

789 Statement stmt = null;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

790 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

791 stmt = createStatement();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

792 // the timeout parameter is ignored here, since

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

793 // MonetStatement.setQueryTimeout(timeout) is not supported.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

794 stmt.executeQuery("SELECT 1");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

795 stmt.close();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

796 return true;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

797 } catch (Exception e) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

798 if (stmt != null) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

799 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

800 stmt.close();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

801 } catch (Exception e2) {}

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 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

804 return false;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

805 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

806

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

807 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

808 public String nativeSQL(String sql) {return sql;}

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

809 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

810 public CallableStatement prepareCall(String sql) {return null;}

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

811 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

812 public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) {return null;}

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

813 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

814 public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) {return null;}

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

815

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

816 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

817 * Creates a PreparedStatement object for sending parameterized SQL

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

818 * statements to the database.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

819 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

820 * 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

821 * 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

822 * used to efficiently execute this statement multiple times.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

823 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

824 * 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

825 * statements that benefit from precompilation. If the driver

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

826 * supports precompilation, the method prepareStatement will send

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

827 * 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

828 * 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

829 * 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

830 * 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

831 * affect which methods throw certain SQLException objects.

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 * Result sets created using the returned PreparedStatement object

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

834 * 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

835 * level of CONCUR_READ_ONLY.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

836 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

837 * @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

838 * parameter placeholders

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

839 * @return a new default PreparedStatement object containing the

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

840 * pre-compiled SQL statement

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

841 * @throws SQLException if a database access error occurs

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 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

844 public PreparedStatement prepareStatement(String sql) throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

845 return prepareStatement(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

846 sql,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

847 ResultSet.TYPE_FORWARD_ONLY,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

848 ResultSet.CONCUR_READ_ONLY,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

849 ResultSet.HOLD_CURSORS_OVER_COMMIT

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

850 );

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

851 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

852

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

853 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

854 * Creates a PreparedStatement object that will generate ResultSet

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

855 * 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

856 * 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

857 * 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

858 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

859 * @param sql a String object that is the SQL statement to be sent to the

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

860 * database; may contain one or more ? IN parameters

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

861 * @param resultSetType a result set type; one of

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

862 * ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

863 * or ResultSet.TYPE_SCROLL_SENSITIVE

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

864 * @param resultSetConcurrency a concurrency type; one of

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

865 * ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

866 * @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

867 * 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

868 * type and concurrency

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

869 * @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

870 * parameters are not ResultSet constants indicating

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

871 * type and concurrency

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

872 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

873 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

874 public PreparedStatement prepareStatement(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

875 String sql,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

876 int resultSetType,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

877 int resultSetConcurrency)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

878 throws SQLException

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

879 {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

880 return prepareStatement(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

881 sql,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

882 resultSetType,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

883 resultSetConcurrency,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

884 ResultSet.HOLD_CURSORS_OVER_COMMIT

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 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

887

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

888 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

889 * Creates a PreparedStatement object that will generate ResultSet

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

890 * objects with the given type, concurrency, and holdability.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

891 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

892 * 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

893 * 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

894 * holdability to be overridden.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

895 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

896 * @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

897 * 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

898 * @param resultSetType one of the following ResultSet constants:

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

899 * ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

900 * or ResultSet.TYPE_SCROLL_SENSITIVE

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

901 * @param resultSetConcurrency one of the following ResultSet

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

902 * constants: ResultSet.CONCUR_READ_ONLY or

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

903 * ResultSet.CONCUR_UPDATABLE

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

904 * @param resultSetHoldability one of the following ResultSet

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

905 * constants: ResultSet.HOLD_CURSORS_OVER_COMMIT or

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

906 * ResultSet.CLOSE_CURSORS_AT_COMMIT

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

907 * @return a new PreparedStatement object, containing the

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

908 * pre-compiled SQL statement, that will generate ResultSet objects

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

909 * with the given type, concurrency, and holdability

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

910 * @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

911 * given parameters are not ResultSet constants indicating type,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

912 * concurrency, and holdability

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

913 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

914 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

915 public PreparedStatement prepareStatement(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

916 String sql,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

917 int resultSetType,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

918 int resultSetConcurrency,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

919 int resultSetHoldability)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

920 throws SQLException

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

921 {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

922 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

923 PreparedStatement ret = new MonetPreparedStatement(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

924 this,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

925 resultSetType,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

926 resultSetConcurrency,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

927 resultSetHoldability,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

928 sql

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

929 );

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

930 // 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

931 statements.put(ret, null);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

932 return ret;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

933 } catch (IllegalArgumentException e) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

934 throw new SQLException(e.toString(), "M0M03");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

935 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

936 // 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

937 // be thrown

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

938 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

939

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

940 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

941 * Creates a default PreparedStatement object that has the

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

942 * 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

943 * 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

944 * 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

945 * statement is not an INSERT statement.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

946 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

947 * 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

948 * statements that benefit from precompilation. If the driver

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

949 * supports precompilation, the method prepareStatement will send

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

950 * 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

951 * 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

952 * 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

953 * 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

954 * affect which methods throw certain SQLExceptions.

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 * Result sets created using the returned PreparedStatement object

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

957 * 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

958 * level of CONCUR_READ_ONLY.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

959 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

960 * @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

961 * parameter placeholders

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

962 * @param autoGeneratedKeys a flag indicating whether auto-generated

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

963 * keys should be returned; one of

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

964 * Statement.RETURN_GENERATED_KEYS or

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

965 * Statement.NO_GENERATED_KEYS

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

966 * @return a new PreparedStatement object, containing the

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

967 * 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

968 * of returning auto-generated keys

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

969 * @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

970 * given parameter is not a Statement constant indicating

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

971 * whether auto-generated keys should be returned

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 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

974 public PreparedStatement prepareStatement(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

975 String sql,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

976 int autoGeneratedKeys)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

977 throws SQLException

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

978 {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

979 if (autoGeneratedKeys != Statement.RETURN_GENERATED_KEYS &&

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

980 autoGeneratedKeys != Statement.NO_GENERATED_KEYS)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

981 throw new SQLException("Invalid argument, expected RETURN_GENERATED_KEYS or NO_GENERATED_KEYS", "M1M05");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

982

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

983 /* 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

984 * thing ;) */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

985 return prepareStatement(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

986 sql,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

987 ResultSet.TYPE_FORWARD_ONLY,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

988 ResultSet.CONCUR_READ_ONLY

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 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

991

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

992 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

993 public PreparedStatement prepareStatement(String sql, int[] columnIndexes) {return null;}

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

994 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

995 public PreparedStatement prepareStatement(String sql, String[] columnNames) {return null;}

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

996

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

997 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

998 * 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

999 * 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

1000 * cause an SQLException to be thrown.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1001 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1002 * @param savepoint the Savepoint object to be removed

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1003 * @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

1004 * 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

1005 * transaction

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1006 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1007 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1008 public void releaseSavepoint(Savepoint savepoint) throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1009 if (!(savepoint instanceof MonetSavepoint)) throw

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1010 new SQLException("This driver can only handle savepoints it created itself", "M0M06");

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 MonetSavepoint sp = (MonetSavepoint)savepoint;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1013

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1014 // 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

1015 // to process the auto_commit state the server gives

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1016

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1017 // create a container for the result

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1018 ResponseList l = new ResponseList(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1019 0,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1020 0,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1021 ResultSet.FETCH_FORWARD,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1022 ResultSet.CONCUR_READ_ONLY

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1023 );

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1024 // send the appropriate query string to the database

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1025 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1026 l.processQuery("RELEASE SAVEPOINT " + sp.getName());

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1027 } finally {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1028 l.close();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1029 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1030 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1031

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1032 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1033 * Undoes all changes made in the current transaction and releases

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1034 * any database locks currently held by this Connection object. This

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1035 * method should be used only when auto-commit mode has been

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1036 * disabled.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1037 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1038 * @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

1039 * Connection object is in auto-commit mode

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1040 * @see #setAutoCommit(boolean)

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 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1043 public void rollback() throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1044 // 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

1045 // to process the auto_commit state the server gives

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1046

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1047 // create a container for the result

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1048 ResponseList l = new ResponseList(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1049 0,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1050 0,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1051 ResultSet.FETCH_FORWARD,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1052 ResultSet.CONCUR_READ_ONLY

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1053 );

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1054 // send rollback to the server

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1055 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1056 l.processQuery("ROLLBACK");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1057 } finally {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1058 l.close();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1059 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1060 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1061

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1062 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1063 * Undoes all changes made after the given Savepoint object was set.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1064 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1065 * This method should be used only when auto-commit has been

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1066 * disabled.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1067 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1068 * @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

1069 * @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

1070 * 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

1071 * object is currently in auto-commit mode

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1072 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1073 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1074 public void rollback(Savepoint savepoint) throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1075 if (!(savepoint instanceof MonetSavepoint)) throw

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1076 new SQLException("This driver can only handle savepoints it created itself", "M0M06");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1077

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1078 MonetSavepoint sp = (MonetSavepoint)savepoint;

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 // 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

1081 // to process the auto_commit state the server gives

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1082

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1083 // create a container for the result

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1084 ResponseList l = new ResponseList(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1085 0,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1086 0,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1087 ResultSet.FETCH_FORWARD,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1088 ResultSet.CONCUR_READ_ONLY

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 // send the appropriate query string to the database

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1091 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1092 l.processQuery("ROLLBACK TO SAVEPOINT " + sp.getName());

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1093 } finally {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1094 l.close();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1095 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1096 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1097

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 * 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

1100 * 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

1101 * will be executed and committed as individual transactions.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1102 * 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

1103 * are terminated by a call to either the method commit or the

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1104 * method rollback. By default, new connections are in auto-commit

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1105 * mode.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1106 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1107 * 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

1108 * 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

1109 * 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

1110 * 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

1111 * 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

1112 * 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

1113 * 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

1114 * output parameter values have been retrieved.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1115 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1116 * 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

1117 * transaction is committed.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1118 *

8

a27ee2cb14a0 Replace String methods equals("") and "".equals( with isEmpty()

Martin van Dinther <martin.van.dinther@monetdbsolutions.com>

parents: 0

diff changeset

1119 * @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

1120 * @throws SQLException if a database access error occurs

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1121 * @see #getAutoCommit()

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 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1124 public void setAutoCommit(boolean autoCommit) throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1125 if (this.autoCommit != autoCommit) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1126 sendControlCommand("auto_commit " + (autoCommit ? "1" : "0"));

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1127 this.autoCommit = autoCommit;

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 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1132 * 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

1133 * Connection object's database in which to work. If the driver

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1134 * does not support catalogs, it will silently ignore this request.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1135 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1136 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1137 public void setCatalog(String catalog) throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1138 // 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

1139 }

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 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1142 * Not implemented by MonetDB's JDBC driver.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1143 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1144 * @param name The name of the client info property to set

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1145 * @param value The value to set the client info property to. If the

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1146 * value is null, the current value of the specified property

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1147 * is cleared.

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 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1150 public void setClientInfo(String name, String value) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1151 addWarning("clientInfo: " + name + "is not a recognised property", "01M07");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1152 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1153

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 * Not implemented by MonetDB's JDBC driver.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1156 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1157 * @param props The list of client info properties to set

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1158 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1159 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1160 public void setClientInfo(Properties props) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1161 for (Entry<Object, Object> entry : props.entrySet()) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1162 setClientInfo(entry.getKey().toString(),

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1163 entry.getValue().toString());

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1164 }

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

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1167 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1168 public void setHoldability(int holdability) {}

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1169

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1170 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1171 * 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

1172 * 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

1173 * 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

1174 * to true here.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1175 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1176 * @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

1177 * @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

1178 * method is called during a transaction.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1179 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1180 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1181 public void setReadOnly(boolean readOnly) throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1182 if (readOnly == true)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1183 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

1184 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1185

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1186 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1187 * 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

1188 * returns the new Savepoint object that represents it.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1189 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1190 * @return the new Savepoint object

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1191 * @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

1192 * object is currently in auto-commit mode

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1193 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1194 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1195 public Savepoint setSavepoint() throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1196 // create a new Savepoint object

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1197 MonetSavepoint sp = new MonetSavepoint();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1198

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1199 // 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

1200 // to process the auto_commit state the server gives

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1201

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1202 // create a container for the result

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1203 ResponseList l = new ResponseList(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1204 0,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1205 0,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1206 ResultSet.FETCH_FORWARD,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1207 ResultSet.CONCUR_READ_ONLY

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1208 );

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1209 // send the appropriate query string to the database

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1210 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1211 l.processQuery("SAVEPOINT " + sp.getName());

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1212 } finally {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1213 l.close();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1214 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1215

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1216 return sp;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1217 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1218

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1219 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1220 * Creates a savepoint with the given name in the current

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1221 * transaction and returns the new Savepoint object that represents

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1222 * it.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1223 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1224 * @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

1225 * @return the new Savepoint object

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1226 * @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

1227 * object is currently in auto-commit mode

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1228 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1229 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1230 public Savepoint setSavepoint(String name) throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1231 // create a new Savepoint object

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1232 MonetSavepoint sp;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1233 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1234 sp = new MonetSavepoint(name);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1235 } catch (IllegalArgumentException e) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1236 throw new SQLException(e.getMessage(), "M0M03");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1237 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1238

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1239 // 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

1240 // to process the auto_commit state the server gives

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1241

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1242 // create a container for the result

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1243 ResponseList l = new ResponseList(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1244 0,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1245 0,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1246 ResultSet.FETCH_FORWARD,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1247 ResultSet.CONCUR_READ_ONLY

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1248 );

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1249 // send the appropriate query string to the database

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1250 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1251 l.processQuery("SAVEPOINT " + sp.getName());

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1252 } finally {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1253 l.close();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1254 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1255

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1256 return sp;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1257 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1258

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1259 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1260 * 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

1261 * Connection object to the one given. The constants defined in the

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1262 * interface Connection are the possible transaction isolation

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1263 * levels.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1264 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1265 * @param level one of the following Connection constants:

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1266 * Connection.TRANSACTION_READ_UNCOMMITTED,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1267 * Connection.TRANSACTION_READ_COMMITTED,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1268 * Connection.TRANSACTION_REPEATABLE_READ, or

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1269 * Connection.TRANSACTION_SERIALIZABLE.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1270 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1271 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1272 public void setTransactionIsolation(int level) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1273 if (level != TRANSACTION_SERIALIZABLE) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1274 addWarning("MonetDB only supports fully serializable " +

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1275 "transactions, continuing with transaction level " +

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1276 "raised to TRANSACTION_SERIALIZABLE", "01M09");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1277 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1278 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1279

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1280 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1281 * 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

1282 * 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

1283 * mapping of SQL structured types and distinct types.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1284 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1285 * @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

1286 * this Connection object's default type map

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1287 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1288 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1289 public void setTypeMap(Map<String, Class<?>> map) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1290 typeMap = map;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1291 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1292

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1293 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1294 * Returns a string identifying this Connection to the MonetDB

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1295 * server.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1296 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1297 * @return a String representing this Object

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1298 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1299 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1300 public String toString() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1301 return "MonetDB Connection (" + getJDBCURL() + ") " +

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1302 (closed ? "connected" : "disconnected");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1303 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1304

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1305 //== 1.7 methods (JDBC 4.1)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1306

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1307 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1308 * Sets the given schema name to access.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1309 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1310 * @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

1311 * @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

1312 * method is called on a closed connection

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1313 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1314 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1315 public void setSchema(String schema) throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1316 if (closed)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1317 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

1318 if (schema != null)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1319 createStatement().execute("SET SCHEMA \"" + schema + "\"");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1320 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1321

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1322 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1323 * Retrieves this Connection object's current schema name.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1324 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1325 * @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

1326 * @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

1327 * method is called on a closed connection

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1328 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1329 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1330 public String getSchema() throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1331 if (closed)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1332 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

1333

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1334 String cur_schema;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1335 Statement st = createStatement();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1336 ResultSet rs = null;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1337 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1338 rs = st.executeQuery("SELECT CURRENT_SCHEMA");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1339 if (!rs.next())

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1340 throw new SQLException("Row expected", "02000");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1341 cur_schema = rs.getString(1);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1342 } finally {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1343 if (rs != null)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1344 rs.close();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1345 st.close();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1346 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1347 return cur_schema;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1348 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1349

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1350 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1351 * Terminates an open connection. Calling abort results in:

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1352 * * The connection marked as closed

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1353 * * Closes any physical connection to the database

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1354 * * Releases resources used by the connection

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1355 * * 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

1356 * connection will either progress to completion or throw an

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1357 * SQLException.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1358 * Calling abort marks the connection closed and releases any

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1359 * resources. Calling abort on a closed connection is a no-op.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1360 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1361 * @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

1362 * abort

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1363 * @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

1364 * executor is null

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1365 * @throws SecurityException if a security manager exists and

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1366 * its checkPermission method denies calling abort

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1367 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1368 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1369 public void abort(Executor executor) throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1370 if (closed)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1371 return;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1372 if (executor == null)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1373 throw new SQLException("executor is null", "M1M05");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1374 // 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

1375 // everything (in particular the server connection)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1376 close();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1377 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1378

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1379 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1380 * 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

1381 * 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

1382 * 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

1383 * 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

1384 * 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

1385 * 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

1386 * 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

1387 * SQLException.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1388 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1389 * @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

1390 * setNetworkTimeout

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1391 * @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

1392 * database operation to complete

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1393 * @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

1394 * 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

1395 * null, or the value specified for seconds is less than 0.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1396 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1397 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1398 public void setNetworkTimeout(Executor executor, int millis)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1399 throws SQLException

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1400 {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1401 if (closed)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1402 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

1403 if (executor == null)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1404 throw new SQLException("executor is null", "M1M05");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1405 if (millis < 0)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1406 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

1407

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1408 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1409 server.setSoTimeout(millis);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1410 } catch (SocketException e) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1411 throw new SQLException(e.getMessage(), "08000");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1412 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1413 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1414

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1415 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1416 * 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

1417 * 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

1418 * SQLException is thrown.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1419 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1420 * @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

1421 * there is no limit

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1422 * @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

1423 * this method is called on a closed Connection

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1424 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1425 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1426 public int getNetworkTimeout() throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1427 if (closed)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1428 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

1429

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1430 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1431 return server.getSoTimeout();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1432 } catch (SocketException e) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1433 throw new SQLException(e.getMessage(), "08000");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1434 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1435 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1436

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1437 //== end methods of interface Connection

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1438

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1439 public String getJDBCURL() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1440 String language = "";

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1441 if (lang == LANG_MAL)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1442 language = "?language=mal";

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1443 return "jdbc:monetdb://" + hostname + ":" + port + "/" +

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1444 database + language;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1445 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1446

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1447 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1448 * Returns whether the BLOB type should be mapped to BINARY type.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1449 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1450 boolean getBlobAsBinary() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1451 return blobIsBinary;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1452 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1453

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1454 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1455 * 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

1456 * 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

1457 * returned information is discarded. Encountered errors are

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1458 * reported.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1459 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1460 * @param command the exact string to send to MonetDB

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1461 * @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

1462 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1463 void sendIndependentCommand(String command) throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1464 synchronized (server) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1465 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1466 out.writeLine(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1467 (queryTempl[0] == null ? "" : queryTempl[0]) +

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1468 command +

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1469 (queryTempl[1] == null ? "" : queryTempl[1]));

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1470 String error = in.waitForPrompt();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1471 if (error != null)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1472 throw new SQLException(error.substring(6),

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1473 error.substring(0, 5));

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1474 } catch (SocketTimeoutException e) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1475 close(); // JDBC 4.1 semantics: abort()

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1476 throw new SQLException("connection timed out", "08M33");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1477 } catch (IOException e) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1478 throw new SQLException(e.getMessage(), "08000");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1479 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1480 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1481 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1482

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1483 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1484 * 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

1485 * 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

1486 * returned information is discarded. Encountered errors are

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1487 * reported.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1488 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1489 * @param command the exact string to send to MonetDB

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1490 * @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

1491 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1492 void sendControlCommand(String command) throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1493 // send X command

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1494 synchronized (server) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1495 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1496 out.writeLine(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1497 (commandTempl[0] == null ? "" : commandTempl[0]) +

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1498 command +

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1499 (commandTempl[1] == null ? "" : commandTempl[1]));

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1500 String error = in.waitForPrompt();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1501 if (error != null)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1502 throw new SQLException(error.substring(6),

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1503 error.substring(0, 5));

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1504 } catch (SocketTimeoutException e) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1505 close(); // JDBC 4.1 semantics, abort()

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1506 throw new SQLException("connection timed out", "08M33");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1507 } catch (IOException e) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1508 throw new SQLException(e.getMessage(), "08000");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1509 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1510 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1511 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1512

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1513 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1514 * 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

1515 * 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

1516 * 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

1517 * appended to the current warning.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1518 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1519 * @param reason the warning message

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1520 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1521 void addWarning(String reason, String sqlstate) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1522 if (warnings == null) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1523 warnings = new SQLWarning(reason, sqlstate);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1524 } else {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1525 warnings.setNextWarning(new SQLWarning(reason, sqlstate));

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1526 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1527 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1528

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1529 /** the default number of rows that are (attempted to) read at once */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1530 private final static int DEF_FETCHSIZE = 250;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1531 /** The sequence counter */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1532 private static int seqCounter = 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 /** 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

1535 private SendThread sendThread = null;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1536

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 * 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

1539 * 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

1540 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1541 // {{{ interface Response

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1542 interface Response {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1543 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1544 * Adds a line to the underlying Response implementation.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1545 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1546 * @param line the header line as String

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1547 * @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

1548 * @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

1549 * or additional lines are not allowed.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1550 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1551 public abstract String addLine(String line, int linetype);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1552

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1553 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1554 * Returns whether this Reponse expects more lines to be added

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1555 * to it.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1556 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1557 * @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

1558 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1559 public abstract boolean wantsMore();

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 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1562 * 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

1563 * Response implementation.

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 * @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

1566 * consistent or sufficient.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1567 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1568 public abstract void complete() throws SQLException;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1569

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1570 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1571 * 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

1572 * necessary clean up procedures.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1573 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1574 * @throws SQLException

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1575 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1576 public abstract void close();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1577 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1578 // }}}

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1579

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1580 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1581 * 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

1582 * 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

1583 * Response look like:

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1584 * <pre>

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1585 * &1 1 28 2 10

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1586 * # name, value # name

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1587 * # varchar, varchar # type

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1588 * </pre>

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1589 * there the first line consists out of

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1590 * <tt>&"qt" "id" "tc" "cc" "rc"</tt>.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1591 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1592 // {{{ ResultSetResponse class implementation

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1593 class ResultSetResponse implements Response {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1594 /** The number of columns in this result */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1595 public final int columncount;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1596 /** 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

1597 public final int tuplecount;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1598 /** The numbers of rows to retrieve per DataBlockResponse */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1599 private int cacheSize;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1600 /** The table ID of this result */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1601 public final int id;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1602 /** The names of the columns in this result */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1603 private String[] name;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1604 /** The types of the columns in this result */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1605 private String[] type;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1606 /** 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

1607 private int[] columnLengths;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1608 /** The table for each column in this result */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1609 private String[] tableNames;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1610 /** The query sequence number */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1611 private final int seqnr;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1612 /** 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

1613 private DataBlockResponse[] resultBlocks;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1614

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1615 /** 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

1616 private boolean[] isSet;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1617 /** Whether this Response is closed */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1618 private boolean closed;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1619

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1620 /** 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

1621 private MonetConnection.ResponseList parent;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1622 /** 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

1623 private boolean cacheSizeSetExplicitly = false;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1624 /** 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

1625 * if we close this Response */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1626 private boolean destroyOnClose;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1627 /** the offset to be used on Xexport queries */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1628 private int blockOffset = 0;

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 /** A parser for header lines */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1631 HeaderLineParser hlp;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1632

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1633 private final static int NAMES = 0;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1634 private final static int TYPES = 1;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1635 private final static int TABLES = 2;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1636 private final static int LENS = 3;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1637

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1638

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1639 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1640 * Sole constructor, which requires a MonetConnection parent to

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1641 * be given.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1642 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1643 * @param id the ID of the result set

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1644 * @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

1645 * @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

1646 * @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

1647 * @param parent the parent that created this Response and will

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1648 * supply new result blocks when necessary

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1649 * @param seq the query sequence number

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 ResultSetResponse(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1652 int id,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1653 int tuplecount,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1654 int columncount,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1655 int rowcount,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1656 MonetConnection.ResponseList parent,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1657 int seq)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1658 throws SQLException

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1659 {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1660 isSet = new boolean[7];

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1661 this.parent = parent;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1662 if (parent.cachesize == 0) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1663 /* 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

1664 * 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

1665 * 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

1666 * need to stick to our defaults. */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1667 cacheSize = MonetConnection.DEF_FETCHSIZE;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1668 cacheSizeSetExplicitly = false;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1669 } else {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1670 cacheSize = parent.cachesize;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1671 cacheSizeSetExplicitly = true;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1672 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1673 /* 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

1674 * 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

1675 * 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

1676 * 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

1677 * 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

1678 * (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

1679 * 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

1680 * because it's a pseudo SQL result.) */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1681 if (rowcount > cacheSize)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1682 cacheSize = rowcount;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1683 seqnr = seq;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1684 closed = false;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1685 destroyOnClose = id > 0 && tuplecount > rowcount;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1686

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1687 this.id = id;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1688 this.tuplecount = tuplecount;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1689 this.columncount = columncount;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1690 this.resultBlocks =

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1691 new DataBlockResponse[(tuplecount / cacheSize) + 1];

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1692

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1693 hlp = new HeaderLineParser(columncount);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1694

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1695 resultBlocks[0] = new DataBlockResponse(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1696 rowcount,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1697 parent.rstype == ResultSet.TYPE_FORWARD_ONLY

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1698 );

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1699 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1700

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1701 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1702 * 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

1703 * 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

1704 * DataResponse.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1705 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1706 * @param tmpLine the string that contains the header

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1707 * @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

1708 * is unknown

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1709 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1710 // {{{ addLine

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1711 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1712 public String addLine(String tmpLine, int linetype) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1713 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

1714 return resultBlocks[0].addLine(tmpLine, linetype);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1715 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1716

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1717 if (linetype != BufferedMCLReader.HEADER)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1718 return "header expected, got: " + tmpLine;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1719

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1720 // 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

1721 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1722 switch (hlp.parse(tmpLine)) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1723 case HeaderLineParser.NAME:

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1724 name = hlp.values.clone();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1725 isSet[NAMES] = true;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1726 break;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1727 case HeaderLineParser.LENGTH:

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1728 columnLengths = hlp.intValues.clone();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1729 isSet[LENS] = true;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1730 break;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1731 case HeaderLineParser.TYPE:

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1732 type = hlp.values.clone();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1733 isSet[TYPES] = true;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1734 break;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1735 case HeaderLineParser.TABLE:

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1736 tableNames = hlp.values.clone();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1737 isSet[TABLES] = true;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1738 break;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1739 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1740 } catch (MCLParseException e) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1741 return e.getMessage();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1742 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1743

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1744 // all is well

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1745 return null;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1746 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1747 // }}}

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1748

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1749 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1750 * Returns whether this ResultSetResponse needs more lines.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1751 * 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

1752 * first DataBlockResponse reports to want more.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1753 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1754 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1755 public boolean wantsMore() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1756 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

1757 return resultBlocks[0].wantsMore();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1758 } else {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1759 return true;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1760 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1761 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1762

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1763 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1764 * 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

1765 * ',\t' separators.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1766 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1767 * @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

1768 * @param start where the relevant data starts

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1769 * @param stop where the relevant data stops

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1770 * @return an array of Strings

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1771 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1772 final private String[] getValues(char[] chrLine, int start, int stop) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1773 int elem = 0;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1774 String[] values = new String[columncount];

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 for (int i = start; i < stop; i++) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1777 if (chrLine[i] == '\t' && chrLine[i - 1] == ',') {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1778 values[elem++] =

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1779 new String(chrLine, start, i - 1 - start);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1780 start = i + 1;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1781 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1782 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1783 // at the left over part

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1784 values[elem++] = new String(chrLine, start, stop - start);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1785

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1786 return values;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1787 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1788

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1789 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1790 * Adds the given DataBlockResponse to this ResultSetResponse at

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1791 * the given block position.

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 * @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

1794 * @param rr the DataBlockResponse to add

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 void addDataBlockResponse(int offset, DataBlockResponse rr) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1797 int block = (offset - blockOffset) / cacheSize;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1798 resultBlocks[block] = rr;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1799 }

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 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1802 * 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

1803 * 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

1804 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1805 * @throws SQLException if the data currently in this Response is not

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1806 * sufficient to be consistant

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1807 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1808 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1809 public void complete() throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1810 String error = "";

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1811 if (!isSet[NAMES]) error += "name header missing\n";

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1812 if (!isSet[TYPES]) error += "type header missing\n";

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1813 if (!isSet[TABLES]) error += "table name header missing\n";

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1814 if (!isSet[LENS]) error += "column width header missing\n";

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1815 if (error != "") throw new SQLException(error, "M0M10");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1816 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1817

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1818 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1819 * Returns the names of the columns

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 * @return the names of the columns

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 String[] getNames() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1824 return name;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1825 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1826

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1827 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1828 * Returns the types of the columns

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 * @return the types of the columns

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 String[] getTypes() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1833 return type;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1834 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1835

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1836 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1837 * Returns the tables of the columns

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 * @return the tables of the columns

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 String[] getTableNames() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1842 return tableNames;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1843 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1844

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 * Returns the lengths of the columns

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1847 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1848 * @return the lengths of the columns

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 int[] getColumnLengths() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1851 return columnLengths;

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

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1854 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1855 * Returns the cache size used within this Response

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1856 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1857 * @return the cache size

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1858 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1859 int getCacheSize() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1860 return cacheSize;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1861 }

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 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1864 * Returns the current block offset

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 * @return the current block offset

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1867 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1868 int getBlockOffset() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1869 return blockOffset;

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

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 * Returns the ResultSet type, FORWARD_ONLY or not.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1874 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1875 * @return the ResultSet type

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1876 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1877 int getRSType() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1878 return parent.rstype;

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

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 * Returns the concurrency of the ResultSet.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1883 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1884 * @return the ResultSet concurrency

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 int getRSConcur() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1887 return parent.rsconcur;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1888 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1889

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1890 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1891 * Returns a line from the cache. If the line is already present in the

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1892 * cache, it is returned, if not apropriate actions are taken to make

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1893 * 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

1894 * line is fetched it is returned.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1895 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1896 * @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

1897 * @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

1898 * 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

1899 * @throws SQLException if an database error occurs

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1900 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1901 String getLine(int row) throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1902 if (row >= tuplecount || row < 0)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1903 return null;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1904

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1905 int block = (row - blockOffset) / cacheSize;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1906 int blockLine = (row - blockOffset) % cacheSize;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1907

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1908 // do we have the right block loaded? (optimistic try)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1909 DataBlockResponse rawr;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1910 // load block if appropriate

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1911 if ((rawr = resultBlocks[block]) == null) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1912 /// 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

1913 /// in memory when dealing with random access to

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1914 /// reduce memory blow-up

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1915

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1916 // 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

1917 // block loaded

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1918 if (parent.rstype == ResultSet.TYPE_FORWARD_ONLY) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1919 for (int i = 0; i < block; i++)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1920 resultBlocks[i] = null;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1921

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1922 if (MonetConnection.seqCounter - 1 == seqnr &&

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1923 !cacheSizeSetExplicitly &&

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1924 tuplecount - row > cacheSize &&

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1925 cacheSize < MonetConnection.DEF_FETCHSIZE * 10)

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 // there has no query been issued after this

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1928 // one, so we can consider this an uninterrupted

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1929 // continuation request. Let's once increase

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1930 // the cacheSize as it was not explicitly set,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1931 // 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

1932 // bother anyone else by doing so, and just

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1933 // gaining some performance.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1934

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1935 // store the previous position in the

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1936 // blockOffset variable

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1937 blockOffset += cacheSize;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1938

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1939 // increase the cache size (a lot)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1940 cacheSize *= 10;

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 // by changing the cacheSize, we also

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1943 // change the block measures. Luckily

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1944 // we don't care about previous blocks

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1945 // because we have a forward running

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1946 // pointer only. However, we do have

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1947 // to recalculate the block number, to

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1948 // ensure the next call to find this

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1949 // new block.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1950 block = (row - blockOffset) / cacheSize;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1951 blockLine = (row - blockOffset) % cacheSize;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1952 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1953 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1954

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1955 // ok, need to fetch cache block first

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1956 parent.executeQuery(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1957 commandTempl,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1958 "export " + id + " " + ((block * cacheSize) + blockOffset) + " " + cacheSize

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1959 );

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1960 rawr = resultBlocks[block];

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1961 if (rawr == null) throw

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1962 new AssertionError("block " + block + " should have been fetched by now :(");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1963 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1964

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1965 return rawr.getRow(blockLine);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1966 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1967

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1968 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1969 * 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

1970 * 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

1971 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1972 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1973 public void close() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1974 if (closed) return;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1975 // 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

1976 // 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

1977 // was larger than the reply size

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1978 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1979 if (destroyOnClose) sendControlCommand("close " + id);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1980 } catch (SQLException e) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1981 // probably a connection error...

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1982 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1983

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1984 // close the data block associated with us

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1985 for (int i = 1; i < resultBlocks.length; i++) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1986 DataBlockResponse r = resultBlocks[i];

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1987 if (r != null) r.close();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1988 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1989

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1990 closed = true;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1991 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1992

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1993 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1994 * Returns whether this Response is closed

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1995 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1996 * @return whether this Response is closed

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1997 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1998 boolean isClosed() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

1999 return closed;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2000 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2001 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2002 // }}}

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2003

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2004 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2005 * The DataBlockResponse is tabular data belonging to a

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2006 * ResultSetResponse. Tabular data from the server typically looks

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2007 * like:

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2008 * <pre>

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2009 * [ "value", 56 ]

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2010 * </pre>

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2011 * 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

2012 * by brackets ("[" and "]"). A DataBlockResponse object holds the

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2013 * 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

2014 * easy retrieval.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2015 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2016 * 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

2017 * 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

2018 * 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

2019 * 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

2020 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2021 // {{{ DataBlockResponse class implementation

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2022 static class DataBlockResponse implements Response {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2023 /** The String array to keep the data in */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2024 private final String[] data;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2025

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2026 /** 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

2027 private int pos;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2028 /** 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

2029 private boolean forwardOnly;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2030

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 * Constructs a DataBlockResponse object

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2033 * @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

2034 * @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

2035 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2036 DataBlockResponse(int size, boolean forward) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2037 pos = -1;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2038 data = new String[size];

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2039 forwardOnly = forward;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2040 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2041

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2042 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2043 * 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

2044 * 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

2045 * 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

2046 * specified.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2047 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2048 * @param line the header line as String

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2049 * @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

2050 * @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

2051 * or additional lines are not allowed.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2052 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2053 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2054 public String addLine(String line, int linetype) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2055 if (linetype != BufferedMCLReader.RESULT)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2056 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

2057 // add to the backing array

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2058 data[++pos] = line;

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 // all is well

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2061 return null;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2062 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2063

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2064 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2065 * 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

2066 * to it.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2067 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2068 * @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

2069 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2070 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2071 public boolean wantsMore() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2072 // remember: pos is the value already stored

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2073 return pos + 1 < data.length;

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 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2077 * 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

2078 * 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

2079 * 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

2080 * happen that this is NOT the case!

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2081 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2082 * @throws SQLException if not all rows are filled

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2083 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2084 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2085 public void complete() throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2086 if ((pos + 1) != data.length) throw

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2087 new SQLException("Inconsistent state detected! Current block capacity: " + data.length + ", block usage: " + (pos + 1) + ". Did MonetDB send what it promised to?", "M0M10");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2088 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2089

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2090 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2091 * 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

2092 * necessary clean up procedures.

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 * @throws SQLException

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2095 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2096 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2097 public void close() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2098 // feed all rows to the garbage collector

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2099 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

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 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2103 * 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

2104 * is out of bounds, an IndexOutOfBoundsException will be

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2105 * thrown.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2106 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2107 * @param line the row to retrieve

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2108 * @return the requested row as String

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2109 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2110 String getRow(int line) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2111 if (forwardOnly) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2112 String ret = data[line];

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2113 data[line] = null;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2114 return ret;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2115 } else {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2116 return data[line];

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2117 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2118 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2119 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2120 // }}}

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2121

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2122 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2123 * The UpdateResponse represents an update statement response. It

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2124 * 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

2125 * 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

2126 * 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

2127 * -1 if not applicable.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2128 * <tt>&2 0 -1</tt>

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 // {{{ UpdateResponse class implementation

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2131 static class UpdateResponse implements Response {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2132 public final int count;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2133 public final String lastid;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2134

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2135 public UpdateResponse(int cnt, String id) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2136 // fill the blank finals

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2137 this.count = cnt;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2138 this.lastid = id;

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 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2142 public String addLine(String line, int linetype) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2143 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

2144 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2145

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2146 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2147 public boolean wantsMore() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2148 return false;

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

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2151 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2152 public void complete() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2153 // empty, because there is nothing to check

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2154 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2155

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2156 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2157 public void close() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2158 // nothing to do here...

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2159 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2160 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2161 // }}}

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 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2164 * The SchemaResponse represents an schema modification response.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2165 * 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

2166 * 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

2167 * 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

2168 * 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

2169 * server.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2170 * <tt>&3</tt>

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 // {{{ SchemaResponse class implementation

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2173 class SchemaResponse implements Response {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2174 public final int state = Statement.SUCCESS_NO_INFO;

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 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2177 public String addLine(String line, int linetype) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2178 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

2179 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2180

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2181 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2182 public boolean wantsMore() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2183 return false;

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 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2187 public void complete() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2188 // empty, because there is nothing to check

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

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2191 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2192 public void close() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2193 // nothing to do here...

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2194 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2195 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2196 // }}}

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2197

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 * The AutoCommitResponse represents a transaction message. It

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2200 * stores (a change in) the server side auto commit mode.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2201 * <tt>&4 (t|f)</tt>

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 // {{{ AutoCommitResponse class implementation

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2204 class AutoCommitResponse extends SchemaResponse {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2205 public final boolean autocommit;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2206

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2207 public AutoCommitResponse(boolean ac) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2208 // fill the blank final

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2209 this.autocommit = ac;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2210 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2211 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2212 // }}}

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 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2215 * 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

2216 * 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

2217 * responsibility to the caller to prevent concurrent access.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2218 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2219 // {{{ ResponseList class implementation

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2220 class ResponseList {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2221 /** The cache size (number of rows in a DataBlockResponse object) */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2222 final int cachesize;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2223 /** The maximum number of results for this query */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2224 final int maxrows;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2225 /** The ResultSet type to produce */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2226 final int rstype;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2227 /** The ResultSet concurrency to produce */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2228 final int rsconcur;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2229 /** The sequence number of this ResponseList */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2230 final int seqnr;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2231 /** 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

2232 * in the right order */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2233 private List<Response> responses;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2234 /** A map of ResultSetResponses, used for additional

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2235 * DataBlockResponse mapping */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2236 private Map<Integer, ResultSetResponse> rsresponses;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2237

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2238 /** The current header returned by getNextResponse() */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2239 private int curResponse;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2240

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2241 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2242 * 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

2243 * 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

2244 * instance is supplied.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2245 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2246 * @param cachesize overall cachesize to use

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2247 * @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

2248 * @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

2249 * @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

2250 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2251 ResponseList(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2252 int cachesize,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2253 int maxrows,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2254 int rstype,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2255 int rsconcur

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2256 ) throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2257 this.cachesize = cachesize;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2258 this.maxrows = maxrows;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2259 this.rstype = rstype;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2260 this.rsconcur = rsconcur;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2261 responses = new ArrayList<Response>();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2262 curResponse = -1;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2263 seqnr = MonetConnection.seqCounter++;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2264 }

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 * 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

2268 * no more responses.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2269 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2270 * @return the next Response available or null

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2271 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2272 Response getNextResponse() throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2273 if (rstype == ResultSet.TYPE_FORWARD_ONLY) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2274 // free resources if we're running forward only

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2275 if (curResponse >= 0 && curResponse < responses.size()) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2276 Response tmp = responses.get(curResponse);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2277 if (tmp != null) tmp.close();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2278 responses.set(curResponse, null);

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 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2281 curResponse++;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2282 if (curResponse >= responses.size()) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2283 // ResponseList is obviously completed so, there are no

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2284 // more responses

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2285 return null;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2286 } else {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2287 // return this response

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2288 return responses.get(curResponse);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2289 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2290 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2291

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2292 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2293 * 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

2294 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2295 * @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

2296 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2297 void closeResponse(int i) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2298 if (i < 0 || i >= responses.size()) return;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2299 Response tmp = responses.set(i, null);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2300 if (tmp != null)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2301 tmp.close();

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 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2305 * Closes the current response.

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 void closeCurrentResponse() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2308 closeResponse(curResponse);

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

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 * Closes the current and previous responses.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2313 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2314 void closeCurOldResponses() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2315 for (int i = curResponse; i >= 0; i--) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2316 closeResponse(i);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2317 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2318 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2319

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2320 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2321 * 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

2322 * ResponseList.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2323 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2324 void close() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2325 for (int i = 0; i < responses.size(); i++) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2326 closeResponse(i);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2327 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2328 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2329

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2330 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2331 * Returns whether this ResponseList has still unclosed

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2332 * Responses.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2333 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2334 boolean hasUnclosedResponses() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2335 for (Response r : responses) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2336 if (r != null)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2337 return true;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2338 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2339 return false;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2340 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2341

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2342 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2343 * Executes the query contained in this ResponseList, and

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2344 * 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

2345 * ResponseList.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2346 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2347 * @throws SQLException if a database error occurs

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2348 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2349 void processQuery(String query) throws SQLException {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2350 executeQuery(queryTempl, query);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2351 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2352

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2353 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2354 * Internal executor of queries.

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 * @param templ the template to fill in

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2357 * @param the query to execute

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2358 * @throws SQLException if a database error occurs

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2359 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2360 @SuppressWarnings("fallthrough")

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2361 void executeQuery(String[] templ, String query)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2362 throws SQLException

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2363 {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2364 boolean sendThreadInUse = false;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2365 String error = null;

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 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2368 synchronized (server) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2369 // 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

2370 // 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

2371 // 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

2372 // lines. Ignore errors from previous result sets.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2373 in.waitForPrompt();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2374

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2375 // {{{ set reply size

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 * 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

2378 * 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

2379 * 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

2380 * prompt after the server sent it's header.

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 int size = cachesize == 0 ? DEF_FETCHSIZE : cachesize;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2383 size = maxrows != 0 ? Math.min(maxrows, size) : size;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2384 // 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

2385 if (lang == LANG_SQL && size != curReplySize && templ != commandTempl) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2386 sendControlCommand("reply_size " + size);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2387

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2388 // store the reply size after a successful change

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2389 curReplySize = size;

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 // }}} set reply size

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2392

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2393 // 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

2394 // 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

2395 // 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

2396 // 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

2397 // 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

2398 // 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

2399 // 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

2400 // but block.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2401 if (query.length() > MapiSocket.BLOCK) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2402 // get a reference to the send thread

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2403 if (sendThread == null)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2404 sendThread = new SendThread(out);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2405 // tell it to do some work!

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2406 sendThread.runQuery(templ, query);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2407 sendThreadInUse = true;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2408 } else {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2409 // 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

2410 // always succeed for small queries.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2411 out.writeLine(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2412 (templ[0] == null ? "" : templ[0]) +

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2413 query +

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2414 (templ[1] == null ? "" : templ[1]));

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2415 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2416

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2417 // go for new results

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2418 String tmpLine = in.readLine();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2419 int linetype = in.getLineType();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2420 Response res = null;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2421 while (linetype != BufferedMCLReader.PROMPT) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2422 // 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

2423 // (or error)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2424 switch (linetype) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2425 case BufferedMCLReader.SOHEADER:

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2426 // make the response object, and fill it

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2427 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2428 switch (sohp.parse(tmpLine)) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2429 case StartOfHeaderParser.Q_PARSE:

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2430 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

2431 case StartOfHeaderParser.Q_TABLE:

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2432 case StartOfHeaderParser.Q_PREPARE: {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2433 int id = sohp.getNextAsInt();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2434 int tuplecount = sohp.getNextAsInt();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2435 int columncount = sohp.getNextAsInt();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2436 int rowcount = sohp.getNextAsInt();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2437 // enforce the maxrows setting

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2438 if (maxrows != 0 && tuplecount > maxrows)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2439 tuplecount = maxrows;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2440 res = new ResultSetResponse(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2441 id,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2442 tuplecount,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2443 columncount,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2444 rowcount,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2445 this,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2446 seqnr

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2447 );

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2448 // only add this resultset to

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2449 // the hashmap if it can possibly

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2450 // have an additional datablock

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2451 if (rowcount < tuplecount) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2452 if (rsresponses == null)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2453 rsresponses = new HashMap<Integer, ResultSetResponse>();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2454 rsresponses.put(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2455 Integer.valueOf(id),

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2456 (ResultSetResponse) res

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2457 );

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2458 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2459 } break;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2460 case StartOfHeaderParser.Q_UPDATE:

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2461 res = new UpdateResponse(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2462 sohp.getNextAsInt(), // count

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2463 sohp.getNextAsString() // key-id

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 break;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2466 case StartOfHeaderParser.Q_SCHEMA:

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2467 res = new SchemaResponse();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2468 break;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2469 case StartOfHeaderParser.Q_TRANS:

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2470 boolean ac = sohp.getNextAsString().equals("t") ? true : false;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2471 if (autoCommit && ac) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2472 addWarning("Server enabled auto commit " +

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2473 "mode while local state " +

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2474 "already was auto commit.", "01M11"

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 autoCommit = ac;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2478 res = new AutoCommitResponse(ac);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2479 break;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2480 case StartOfHeaderParser.Q_BLOCK: {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2481 // a new block of results for a

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2482 // response...

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2483 int id = sohp.getNextAsInt();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2484 sohp.getNextAsInt(); // columncount

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2485 int rowcount = sohp.getNextAsInt();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2486 int offset = sohp.getNextAsInt();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2487 ResultSetResponse t =

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2488 rsresponses.get(Integer.valueOf(id));

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2489 if (t == null) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2490 error = "M0M12!no ResultSetResponse with id " + id + " found";

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2491 break;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2492 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2493

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2494 DataBlockResponse r =

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2495 new DataBlockResponse(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2496 rowcount, // rowcount

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2497 t.getRSType() == ResultSet.TYPE_FORWARD_ONLY

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2498 );

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2499

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2500 t.addDataBlockResponse(offset, r);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2501 res = r;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2502 } break;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2503 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2504 } catch (MCLParseException e) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2505 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

2506 e.getMessage() +

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2507 " found: '" + tmpLine.charAt(e.getErrorOffset()) + "'" +

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2508 " in: \"" + tmpLine + "\"" +

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2509 " at pos: " + e.getErrorOffset();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2510 // flush all the rest

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2511 in.waitForPrompt();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2512 linetype = in.getLineType();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2513 break;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2514 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2515

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2516 // immediately handle errors after parsing

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2517 // the header (res may be null)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2518 if (error != null) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2519 in.waitForPrompt();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2520 linetype = in.getLineType();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2521 break;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2522 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2523

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2524 // here we have a res object, which

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2525 // we can start filling

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2526 while (res.wantsMore()) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2527 error = res.addLine(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2528 in.readLine(),

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2529 in.getLineType()

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2530 );

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2531 if (error != null) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2532 // right, some protocol violation,

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2533 // skip the rest of the result

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2534 error = "M0M10!" + error;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2535 in.waitForPrompt();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2536 linetype = in.getLineType();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2537 break;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2538 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2539 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2540 if (error != null)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2541 break;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2542 // it is of no use to store

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2543 // DataBlockReponses, you never want to

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2544 // retrieve them directly anyway

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2545 if (!(res instanceof DataBlockResponse))

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2546 responses.add(res);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2547

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2548 // read the next line (can be prompt, new

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2549 // result, error, etc.) before we start the

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2550 // loop over

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2551 tmpLine = in.readLine();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2552 linetype = in.getLineType();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2553 break;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2554 case BufferedMCLReader.INFO:

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2555 addWarning(tmpLine.substring(1), "01000");

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 // read the next line (can be prompt, new

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2558 // result, error, etc.) before we start the

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2559 // loop over

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2560 tmpLine = in.readLine();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2561 linetype = in.getLineType();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2562 break;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2563 default: // Yeah... in Java this is correct!

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2564 // we have something we don't

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2565 // expect/understand, let's make it an error

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2566 // message

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2567 tmpLine = "!M0M10!protocol violation, unexpected line: " + tmpLine;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2568 // don't break; fall through...

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2569 case BufferedMCLReader.ERROR:

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2570 // read everything till the prompt (should be

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2571 // 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

2572 // garbage here... but the log should reveal

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2573 // that

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2574 error = in.waitForPrompt();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2575 linetype = in.getLineType();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2576 if (error != null) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2577 error = tmpLine.substring(1) + "\n" + error;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2578 } else {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2579 error = tmpLine.substring(1);

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 break;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2582 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2583 }

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

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2586 // 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

2587 if (sendThreadInUse) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2588 String tmp = sendThread.getErrors();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2589 if (tmp != null) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2590 if (error == null) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2591 error = "08000!" + tmp;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2592 } else {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2593 error += "\n08000!" + tmp;

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 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2597 if (error != null) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2598 SQLException ret = null;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2599 String[] errors = error.split("\n");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2600 for (int i = 0; i < errors.length; i++) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2601 if (ret == null) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2602 ret = new SQLException(errors[i].substring(6),

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2603 errors[i].substring(0, 5));

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2604 } else {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2605 ret.setNextException(new SQLException(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2606 errors[i].substring(6),

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2607 errors[i].substring(0, 5)));

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2608 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2609 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2610 throw ret;

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 } catch (SocketTimeoutException e) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2613 close(); // JDBC 4.1 semantics, abort()

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2614 throw new SQLException("connection timed out", "08M33");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2615 } catch (IOException e) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2616 closed = true;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2617 throw new SQLException(e.getMessage() + " (mserver still alive?)", "08000");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

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 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2621 // }}}

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2622

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2623 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2624 * 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

2625 * 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

2626 * 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

2627 * 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

2628 * 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

2629 * 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

2630 * separate thread only will block.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2631 * 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

2632 * high.

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 // {{{ SendThread class implementation

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2635 static class SendThread extends Thread {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2636 /** 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

2637 * something to do */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2638 private final static int WAIT = 0;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2639 /** The state QUERY represents this thread to be executing a query */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2640 private final static int QUERY = 1;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2641 /** The state SHUTDOWN is the final state that ends this thread */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2642 private final static int SHUTDOWN = -1;

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 private String[] templ;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2645 private String query;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2646 private BufferedMCLWriter out;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2647 private String error;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2648 private int state = WAIT;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2649

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2650 final Lock sendLock = new ReentrantLock();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2651 final Condition queryAvailable = sendLock.newCondition();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2652 final Condition waiting = sendLock.newCondition();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2653

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2654 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2655 * 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

2656 * into daemon mode.

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 * @param monet the socket to write to

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2659 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2660 public SendThread(BufferedMCLWriter out) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2661 super("SendThread");

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2662 setDaemon(true);

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2663 this.out = out;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2664 start();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2665 }

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 @Override

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2668 public void run() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2669 sendLock.lock();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2670 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2671 while (true) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2672 while (state == WAIT) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2673 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2674 queryAvailable.await();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2675 } catch (InterruptedException e) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2676 // woken up, eh?

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2677 }

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 if (state == SHUTDOWN)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2680 break;

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 // state is QUERY here

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2683 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2684 out.writeLine(

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2685 (templ[0] == null ? "" : templ[0]) +

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2686 query +

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2687 (templ[1] == null ? "" : templ[1]));

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2688 } catch (IOException e) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2689 error = e.getMessage();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2690 }

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 // 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

2693 // for us in throwErrors

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2694 state = WAIT;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2695 waiting.signal();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2696 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2697 } finally {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2698 sendLock.unlock();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2699 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2700 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2701

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2702 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2703 * 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

2704 * 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

2705 * throwErrors()) before this method is called!

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 * @param templ the query template

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2708 * @param query the query itself

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2709 * @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

2710 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2711 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

2712 sendLock.lock();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2713 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2714 if (state != WAIT)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2715 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

2716

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2717 this.templ = templ;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2718 this.query = query;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2719

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2720 // 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

2721 state = QUERY;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2722 queryAvailable.signal();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2723 } finally {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2724 sendLock.unlock();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2725 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2726 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2727

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2728 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2729 * Returns errors encountered during the sending process.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2730 *

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2731 * @return the errors or null if none

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 public String getErrors() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2734 sendLock.lock();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2735 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2736 // 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

2737 while (state == QUERY) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2738 try {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2739 waiting.await();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2740 } catch (InterruptedException e) {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2741 // just try again

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2742 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2743 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2744 if (state == SHUTDOWN)

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2745 error = "SendThread is shutting down";

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2746 } finally {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2747 sendLock.unlock();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2748 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2749 return error;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2750 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2751

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2752 /**

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2753 * Requests this SendThread to stop.

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2754 */

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2755 public void shutdown() {

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2756 sendLock.lock();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2757 state = SHUTDOWN;

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2758 sendLock.unlock();

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2759 this.interrupt(); // break any wait conditions

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2760 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2761 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2762 // }}}

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2763 }

a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.

Sjoerd Mullender <sjoerd@acm.org>

parents:

diff changeset

2764

Mercurial > hg > monetdb-java

annotate src/main/java/nl/cwi/monetdb/jdbc/MonetConnection.java @ 25:5ec116ba7d71