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ConnectionTest.java

/*
 Copyright (C) 2002-2004 MySQL AB

 This program is free software; you can redistribute it and/or modify
 it under the terms of version 2 of the GNU General Public License as 
 published by the Free Software Foundation.

 There are special exceptions to the terms and conditions of the GPL 
 as it is applied to this software. View the full text of the 
 exception in file EXCEPTIONS-CONNECTOR-J in the directory of this 
 software distribution.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA



 */
package testsuite.simple;

import testsuite.BaseTestCase;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Savepoint;
import java.sql.Statement;

import java.util.Properties;
import java.util.StringTokenizer;

import com.mysql.jdbc.ConnectionPropertiesTransform;
import com.mysql.jdbc.NonRegisteringDriver;
import com.mysql.jdbc.SQLError;
import com.mysql.jdbc.StringUtils;
import com.mysql.jdbc.log.StandardLogger;

/**
 * Tests java.sql.Connection functionality ConnectionTest.java,v 1.1 2002/12/06
 * 22:01:05 mmatthew Exp
 * 
 * @author Mark Matthews
 */
00056 public class ConnectionTest extends BaseTestCase {
      /**
       * Constructor for ConnectionTest.
       * 
       * @param name
       *            the name of the test to run
       */
00063       public ConnectionTest(String name) {
            super(name);
      }

      /**
       * Runs all test cases in this test suite
       * 
       * @param args
       */
00072       public static void main(String[] args) {
            junit.textui.TestRunner.run(ConnectionTest.class);
      }

      /**
       * Tests catalog functionality
       * 
       * @throws Exception
       *             if an error occurs
       */
00082       public void testCatalog() throws Exception {
            String currentCatalog = this.conn.getCatalog();
            this.conn.setCatalog(currentCatalog);
            assertTrue(currentCatalog.equals(this.conn.getCatalog()));
      }

      /**
       * Tests a cluster connection for failover, requires a two-node cluster URL
       * specfied in com.mysql.jdbc.testsuite.ClusterUrl system proeprty.
       * 
       * @throws Exception
       *             DOCUMENT ME!
       */
00095       public void testClusterConnection() throws Exception {
            String url = System.getProperty("com.mysql.jdbc.testsuite.ClusterUrl");

            if ((url != null) && (url.length() > 0)) {
                  Object versionNumObj = getSingleValueWithQuery("SHOW VARIABLES LIKE 'version'");

                  if ((versionNumObj != null)
                              && (versionNumObj.toString().indexOf("cluster") != -1)) {
                        Connection clusterConn = null;
                        Statement clusterStmt = null;

                        try {
                              clusterConn = new NonRegisteringDriver().connect(url, null);

                              clusterStmt = clusterConn.createStatement();
                              clusterStmt
                                          .executeQuery("DROP TABLE IF EXISTS testClusterConn");
                              clusterStmt
                                          .executeQuery("CREATE TABLE testClusterConn (field1 INT) TYPE=ndbcluster");
                              clusterStmt
                                          .executeQuery("INSERT INTO testClusterConn VALUES (1)");

                              clusterConn.setAutoCommit(false);

                              clusterStmt.executeQuery("SELECT * FROM testClusterConn");
                              clusterStmt
                                          .executeUpdate("UPDATE testClusterConn SET field1=4");

                              // Kill the connection
                              String connectionId = getSingleValueWithQuery(
                                          "SELECT CONNECTION_ID()").toString();

                              System.out
                                          .println("Please kill the MySQL server now and press return...");
                              System.in.read();

                              System.out.println("Waiting for TCP/IP timeout...");
                              Thread.sleep(10);

                              System.out.println("Attempting auto reconnect");

                              try {
                                    clusterConn.setAutoCommit(true);
                                    clusterConn.setAutoCommit(false);
                              } catch (SQLException sqlEx) {
                                    System.out.println(sqlEx);
                              }

                              //
                              // Test that this 'new' connection is not read-only
                              //
                              clusterStmt
                                          .executeUpdate("UPDATE testClusterConn SET field1=5");

                              ResultSet rs = clusterStmt
                                          .executeQuery("SELECT * FROM testClusterConn WHERE field1=5");

                              assertTrue("One row should be returned", rs.next());
                        } finally {
                              if (clusterStmt != null) {
                                    clusterStmt
                                                .executeQuery("DROP TABLE IF EXISTS testClusterConn");
                                    clusterStmt.close();
                              }

                              if (clusterConn != null) {
                                    clusterConn.close();
                              }
                        }
                  }
            }
      }

      /**
       * DOCUMENT ME!
       * 
       * @throws Exception
       *             DOCUMENT ME!
       */
00174       public void testDeadlockDetection() throws Exception {
            try {
                  this.rs = this.stmt
                              .executeQuery("SHOW VARIABLES LIKE 'innodb_lock_wait_timeout'");
                  this.rs.next();

                  int timeoutSecs = this.rs.getInt(2);

                  this.stmt.executeUpdate("DROP TABLE IF EXISTS t1");
                  this.stmt
                              .executeUpdate("CREATE TABLE t1 (id INTEGER, x INTEGER) TYPE=INNODB");
                  this.stmt.executeUpdate("INSERT INTO t1 VALUES(0, 0)");
                  this.conn.setAutoCommit(false);
                  this.conn.createStatement().executeQuery(
                              "SELECT * FROM t1 WHERE id=0 FOR UPDATE");

                  Connection deadlockConn = getConnectionWithProps(new Properties());
                  deadlockConn.setAutoCommit(false);

                  // The following query should hang because con1 is locking the page
                  deadlockConn.createStatement().executeUpdate(
                              "UPDATE t1 SET x=2 WHERE id=0");
                  deadlockConn.commit();

                  Thread.sleep(timeoutSecs * 2 * 1000);
            } catch (SQLException sqlEx) {
                  System.out
                              .println("Caught SQLException due to deadlock/lock timeout");
                  System.out.println("SQLState: " + sqlEx.getSQLState());
                  System.out.println("Vendor error: " + sqlEx.getErrorCode());
                  System.out.println("Message: " + sqlEx.getMessage());

                  //
                  // Check whether the driver thinks it really is deadlock...
                  //
                  assertTrue(SQLError.SQL_STATE_DEADLOCK.equals(sqlEx.getSQLState()));
                  assertTrue(sqlEx.getErrorCode() == 1205);
            } finally {
                  this.conn.setAutoCommit(true);
                  this.stmt.executeUpdate("DROP TABLE IF EXISTS t1");
            }
      }

      /**
       * DOCUMENT ME!
       * 
       * @throws Exception
       *             DOCUMENT ME!
       */
00223       public void testCharsets() throws Exception {
            if (versionMeetsMinimum(4, 1)) {
                  try {
                        Properties props = new Properties();
                        props.setProperty("useUnicode", "true");
                        props.setProperty("characterEncoding", "UTF-8");

                        Connection utfConn = getConnectionWithProps(props);

                        this.stmt = utfConn.createStatement();

                        this.stmt.executeUpdate("DROP TABLE IF EXISTS t1");
                        // this.stmt.executeUpdate("SET CHARACTER SET latin1");

                        this.stmt.executeUpdate("CREATE TABLE t1 ("
                                    + "comment CHAR(32) ASCII NOT NULL,"
                                    + "koi8_ru_f CHAR(32) CHARACTER SET koi8r NOT NULL"
                                    + ") CHARSET=latin5");

                        this.stmt
                                    .executeUpdate("ALTER TABLE t1 CHANGE comment comment CHAR(32) CHARACTER SET latin2 NOT NULL");
                        this.stmt
                                    .executeUpdate("ALTER TABLE t1 ADD latin5_f CHAR(32) NOT NULL");
                        this.stmt.executeUpdate("ALTER TABLE t1 CHARSET=latin2");
                        this.stmt
                                    .executeUpdate("ALTER TABLE t1 ADD latin2_f CHAR(32) NOT NULL");
                        this.stmt
                                    .executeUpdate("ALTER TABLE t1 DROP latin2_f, DROP latin5_f");

                        this.stmt
                                    .executeUpdate("INSERT INTO t1 (koi8_ru_f,comment) VALUES ('a','LAT SMALL A')");
                        /*
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('b','LAT SMALL B')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('c','LAT SMALL C')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('d','LAT SMALL D')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('e','LAT SMALL E')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('f','LAT SMALL F')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('g','LAT SMALL G')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('h','LAT SMALL H')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('i','LAT SMALL I')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('j','LAT SMALL J')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('k','LAT SMALL K')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('l','LAT SMALL L')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('m','LAT SMALL M')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('n','LAT SMALL N')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('o','LAT SMALL O')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('p','LAT SMALL P')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('q','LAT SMALL Q')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('r','LAT SMALL R')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('s','LAT SMALL S')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('t','LAT SMALL T')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('u','LAT SMALL U')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('v','LAT SMALL V')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('w','LAT SMALL W')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('x','LAT SMALL X')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('y','LAT SMALL Y')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('z','LAT SMALL Z')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('A','LAT CAPIT A')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('B','LAT CAPIT B')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('C','LAT CAPIT C')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('D','LAT CAPIT D')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('E','LAT CAPIT E')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('F','LAT CAPIT F')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('G','LAT CAPIT G')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('H','LAT CAPIT H')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('I','LAT CAPIT I')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('J','LAT CAPIT J')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('K','LAT CAPIT K')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('L','LAT CAPIT L')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('M','LAT CAPIT M')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('N','LAT CAPIT N')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('O','LAT CAPIT O')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('P','LAT CAPIT P')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('Q','LAT CAPIT Q')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('R','LAT CAPIT R')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('S','LAT CAPIT S')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('T','LAT CAPIT T')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('U','LAT CAPIT U')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('V','LAT CAPIT V')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('W','LAT CAPIT W')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('X','LAT CAPIT X')"); this.stmt.executeUpdate("INSERT
                         * INTO t1 (koi8_ru_f,comment) VALUES ('Y','LAT CAPIT Y')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES ('Z','LAT CAPIT Z')");
                         */

                        String cyrillicSmallA = "\u0430";
                        this.stmt
                                    .executeUpdate("INSERT INTO t1 (koi8_ru_f,comment) VALUES ('"
                                                + cyrillicSmallA + "','CYR SMALL A')");

                        /*
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL BE')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL VE')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL GE')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL DE')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL IE')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL IO')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL ZHE')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL ZE')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL I')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL KA')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL EL')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL EM')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL EN')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL O')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL PE')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL ER')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL ES')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL TE')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL U')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL EF')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL HA')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL TSE')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL CHE')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL SHA')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL SCHA')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL HARD SIGN')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL YERU')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL SOFT SIGN')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL E')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL YU')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR SMALL YA')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT A')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT BE')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT VE')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT GE')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT DE')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT IE')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT IO')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT ZHE')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT ZE')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT I')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT KA')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT EL')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT EM')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT EN')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT O')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT PE')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT ER')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT ES')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT TE')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT U')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT EF')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT HA')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT TSE')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT CHE')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT SHA')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT SCHA')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT HARD SIGN')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT YERU')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT SOFT SIGN')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT E')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT YU')");
                         * this.stmt.executeUpdate("INSERT INTO t1 (koi8_ru_f,comment)
                         * VALUES (_koi8r'?申','CYR CAPIT YA')");
                         */

                        this.stmt
                                    .executeUpdate("ALTER TABLE t1 ADD utf8_f CHAR(32) CHARACTER SET utf8 NOT NULL");
                        this.stmt
                                    .executeUpdate("UPDATE t1 SET utf8_f=CONVERT(koi8_ru_f USING utf8)");
                        this.stmt.executeUpdate("SET CHARACTER SET koi8r");
                        // this.stmt.executeUpdate("SET CHARACTER SET UTF8");
                        this.rs = this.stmt.executeQuery("SELECT * FROM t1");

                        ResultSetMetaData rsmd = this.rs.getMetaData();

                        int numColumns = rsmd.getColumnCount();

                        for (int i = 0; i < numColumns; i++) {
                              System.out.print(rsmd.getColumnName(i + 1));
                              System.out.print("\t\t");
                        }

                        System.out.println();

                        while (this.rs.next()) {
                              System.out.println(this.rs.getString(1) + "\t\t"
                                          + this.rs.getString(2) + "\t\t"
                                          + this.rs.getString(3));

                              if (this.rs.getString(1).equals("CYR SMALL A")) {
                                    this.rs.getString(2);
                              }
                        }

                        System.out.println();

                        this.stmt.executeUpdate("SET NAMES utf8");
                        this.rs = this.stmt.executeQuery("SELECT _koi8r 0xC1;");

                        rsmd = this.rs.getMetaData();

                        numColumns = rsmd.getColumnCount();

                        for (int i = 0; i < numColumns; i++) {
                              System.out.print(rsmd.getColumnName(i + 1));
                              System.out.print("\t\t");
                        }

                        System.out.println();

                        while (this.rs.next()) {
                              System.out.println(this.rs.getString(1).equals("\u0430")
                                          + "\t\t");
                              System.out
                                          .println(new String(this.rs.getBytes(1), "KOI8_R"));

                        }

                        char[] c = new char[] { 0xd0b0 };

                        System.out.println(new String(c));
                        System.out.println("\u0430");
                  } finally {
                        // this.stmt.executeUpdate("DROP TABLE IF EXISTS t1");
                  }
            }
      }

      /**
       * Tests isolation level functionality
       * 
       * @throws Exception
       *             if an error occurs
       */
00537       public void testIsolationLevel() throws Exception {
            if (versionMeetsMinimum(4, 0)) {
                  String[] isoLevelNames = new String[] {
                              "Connection.TRANSACTION_NONE",
                              "Connection.TRANSACTION_READ_COMMITTED",
                              "Connection.TRANSACTION_READ_UNCOMMITTED",
                              "Connection.TRANSACTION_REPEATABLE_READ",
                              "Connection.TRANSACTION_SERIALIZABLE" };

                  int[] isolationLevels = new int[] { Connection.TRANSACTION_NONE,
                              Connection.TRANSACTION_READ_COMMITTED,
                              Connection.TRANSACTION_READ_UNCOMMITTED,
                              Connection.TRANSACTION_REPEATABLE_READ,
                              Connection.TRANSACTION_SERIALIZABLE };

                  DatabaseMetaData dbmd = this.conn.getMetaData();

                  for (int i = 0; i < isolationLevels.length; i++) {
                        if (dbmd.supportsTransactionIsolationLevel(isolationLevels[i])) {
                              this.conn.setTransactionIsolation(isolationLevels[i]);

                              assertTrue(
                                          "Transaction isolation level that was set ("
                                                      + isoLevelNames[i]
                                                      + ") was not returned, nor was a more restrictive isolation level used by the server",
                                          this.conn.getTransactionIsolation() == isolationLevels[i]
                                                      || this.conn.getTransactionIsolation() > isolationLevels[i]);
                        }
                  }
            }
      }

      /**
       * Tests the savepoint functionality in MySQL.
       * 
       * @throws Exception
       *             if an error occurs.
       */
00575       public void testSavepoint() throws Exception {
            if (!isRunningOnJdk131()) {
                  DatabaseMetaData dbmd = this.conn.getMetaData();
      
                  if (dbmd.supportsSavepoints()) {
                        System.out.println("Testing SAVEPOINTs");
      
                        try {
                              this.conn.setAutoCommit(true);
      
                              this.stmt.executeUpdate("DROP TABLE IF EXISTS testSavepoints");
                              this.stmt
                                          .executeUpdate("CREATE TABLE testSavepoints (field1 int) TYPE=InnoDB");
      
                              // Try with named save points
                              this.conn.setAutoCommit(false);
                              this.stmt
                                          .executeUpdate("INSERT INTO testSavepoints VALUES (1)");
      
                              Savepoint afterInsert = this.conn.setSavepoint("afterInsert");
                              this.stmt.executeUpdate("UPDATE testSavepoints SET field1=2");
      
                              Savepoint afterUpdate = this.conn.setSavepoint("afterUpdate");
                              this.stmt.executeUpdate("DELETE FROM testSavepoints");
      
                              assertTrue("Row count should be 0",
                                          getRowCount("testSavepoints") == 0);
                              this.conn.rollback(afterUpdate);
                              assertTrue("Row count should be 1",
                                          getRowCount("testSavepoints") == 1);
                              assertTrue("Value should be 2", "2".equals(getSingleValue(
                                          "testSavepoints", "field1", null).toString()));
                              this.conn.rollback(afterInsert);
                              assertTrue("Value should be 1", "1".equals(getSingleValue(
                                          "testSavepoints", "field1", null).toString()));
                              this.conn.rollback();
                              assertTrue("Row count should be 0",
                                          getRowCount("testSavepoints") == 0);
      
                              // Try with 'anonymous' save points
                              this.conn.rollback();
      
                              this.stmt
                                          .executeUpdate("INSERT INTO testSavepoints VALUES (1)");
                              afterInsert = this.conn.setSavepoint();
                              this.stmt.executeUpdate("UPDATE testSavepoints SET field1=2");
                              afterUpdate = this.conn.setSavepoint();
                              this.stmt.executeUpdate("DELETE FROM testSavepoints");
      
                              assertTrue("Row count should be 0",
                                          getRowCount("testSavepoints") == 0);
                              this.conn.rollback(afterUpdate);
                              assertTrue("Row count should be 1",
                                          getRowCount("testSavepoints") == 1);
                              assertTrue("Value should be 2", "2".equals(getSingleValue(
                                          "testSavepoints", "field1", null).toString()));
                              this.conn.rollback(afterInsert);
                              assertTrue("Value should be 1", "1".equals(getSingleValue(
                                          "testSavepoints", "field1", null).toString()));
                              this.conn.rollback();
      
                              this.conn.releaseSavepoint(this.conn.setSavepoint());
                        } finally {
                              this.conn.setAutoCommit(true);
                              this.stmt.executeUpdate("DROP TABLE IF EXISTS testSavepoints");
                        }
                  } else {
                        System.out.println("MySQL version does not support SAVEPOINTs");
                  }
            }
      }

      /**
       * Tests the ability to set the connection collation via properties.
       * 
       * @throws Exception
       *             if an error occurs or the test fails
       */
00653       public void testNonStandardConnectionCollation() throws Exception {
            if (versionMeetsMinimum(4, 1)) {
                  String collationToSet = "utf8_bin";
                  String characterSet = "utf8";

                  Properties props = new Properties();
                  props.setProperty("connectionCollation", collationToSet);
                  props.setProperty("characterEncoding", characterSet);

                  Connection collConn = null;
                  Statement collStmt = null;
                  ResultSet collRs = null;

                  try {
                        collConn = getConnectionWithProps(props);

                        collStmt = collConn.createStatement();

                        collRs = collStmt
                                    .executeQuery("SHOW VARIABLES LIKE 'collation_connection'");

                        assertTrue(collRs.next());
                        assertTrue(collationToSet.equalsIgnoreCase(collRs.getString(2)));
                  } finally {
                        if (collConn != null) {
                              collConn.close();
                        }
                  }
            }
      }

      public void testDumpQueriesOnException() throws Exception {
            Properties props = new Properties();
            props.setProperty("dumpQueriesOnException", "true");
            String bogusSQL = "SELECT 1 TO BAZ";
            Connection dumpConn = getConnectionWithProps(props);

            try {
                  dumpConn.createStatement().executeQuery(bogusSQL);
            } catch (SQLException sqlEx) {
                  assertTrue(sqlEx.getMessage().indexOf(bogusSQL) != -1);
            }

            try {
                  ((com.mysql.jdbc.Connection) dumpConn).clientPrepareStatement(
                              bogusSQL).executeQuery();
            } catch (SQLException sqlEx) {
                  assertTrue(sqlEx.getMessage().indexOf(bogusSQL) != -1);
            }

            try {
                  this.stmt
                              .executeUpdate("DROP TABLE IF EXISTS testDumpQueriesOnException");
                  this.stmt
                              .executeUpdate("CREATE TABLE testDumpQueriesOnException (field1 int UNIQUE)");
                  this.stmt
                              .executeUpdate("INSERT INTO testDumpQueriesOnException VALUES (1)");

                  PreparedStatement pStmt = dumpConn
                              .prepareStatement("INSERT INTO testDumpQueriesOnException VALUES (?)");
                  pStmt.setInt(1, 1);
                  pStmt.executeUpdate();
            } catch (SQLException sqlEx) {
                  assertTrue(sqlEx.getMessage().indexOf(
                              "INSERT INTO testDumpQueriesOnException") != -1);
            } finally {
                  this.stmt
                              .executeUpdate("DROP TABLE IF EXISTS testDumpQueriesOnException");
            }

            try {
                  dumpConn.prepareStatement(bogusSQL);
            } catch (SQLException sqlEx) {
                  assertTrue(sqlEx.getMessage().indexOf(bogusSQL) != -1);
            }
      }

      /**
       * Tests functionality of the ConnectionPropertiesTransform interface.
       * 
       * @throws Exception
       *             if the test fails.
       */
00736       public void testConnectionPropertiesTransform() throws Exception {
            String transformClassName = SimpleTransformer.class.getName();

            Properties props = new Properties();

            props.setProperty(NonRegisteringDriver.PROPERTIES_TRANSFORM_KEY,
                        transformClassName);

            NonRegisteringDriver driver = new NonRegisteringDriver();

            Properties transformedProps = driver
                        .parseURL(BaseTestCase.dbUrl, props);

            assertTrue("albequerque".equals(transformedProps
                        .getProperty(NonRegisteringDriver.HOST_PROPERTY_KEY)));
      }

      /**
       * Tests functionality of using URLs in 'LOAD DATA LOCAL INFILE' statements.
       * 
       * @throws Exception
       *             if the test fails.
       */
00759       public void testLocalInfileWithUrl() throws Exception {
            File infile = File.createTempFile("foo", "txt");
            infile.deleteOnExit();
            String url = infile.toURL().toExternalForm();
            FileWriter output = new FileWriter(infile);
            output.write("Test");
            output.flush();
            output.close();

            try {
                  this.stmt
                              .executeUpdate("DROP TABLE IF EXISTS testLocalInfileWithUrl");
                  this.stmt
                              .executeUpdate("CREATE TABLE testLocalInfileWithUrl (field1 LONGTEXT)");

                  Properties props = new Properties();
                  props.setProperty("allowUrlInLocalInfile", "true");

                  Connection loadConn = getConnectionWithProps(props);
                  Statement loadStmt = loadConn.createStatement();

                  try {
                        loadStmt.executeQuery("LOAD DATA LOCAL INFILE '" + url
                                    + "' INTO TABLE testLocalInfileWithUrl");
                  } catch (SQLException sqlEx) {
                        sqlEx.printStackTrace();

                        throw sqlEx;
                  }

                  this.rs = this.stmt
                              .executeQuery("SELECT * FROM testLocalInfileWithUrl");
                  assertTrue(this.rs.next());
                  assertTrue("Test".equals(this.rs.getString(1)));
                  int count = this.stmt
                              .executeUpdate("DELETE FROM testLocalInfileWithUrl");
                  assertTrue(count == 1);

                  StringBuffer escapedPath = new StringBuffer();
                  String path = infile.getCanonicalPath();

                  for (int i = 0; i < path.length(); i++) {
                        char c = path.charAt(i);

                        if (c == '\\') {
                              escapedPath.append('\\');
                        }

                        escapedPath.append(c);
                  }

                  loadStmt.executeQuery("LOAD DATA LOCAL INFILE '"
                              + escapedPath.toString()
                              + "' INTO TABLE testLocalInfileWithUrl");
                  this.rs = this.stmt
                              .executeQuery("SELECT * FROM testLocalInfileWithUrl");
                  assertTrue(this.rs.next());
                  assertTrue("Test".equals(this.rs.getString(1)));

                  try {
                        loadStmt
                                    .executeQuery("LOAD DATA LOCAL INFILE 'foo:///' INTO TABLE testLocalInfileWithUrl");
                  } catch (SQLException sqlEx) {
                        assertTrue(sqlEx.getMessage() != null);
                        assertTrue(sqlEx.getMessage().indexOf("FileNotFoundException") != -1);
                  }

            } finally {
                  this.stmt
                              .executeUpdate("DROP TABLE IF EXISTS testLocalInfileWithUrl");
            }
      }

      public void testServerConfigurationCache() throws Exception {
            Properties props = new Properties();

            props.setProperty("cacheServerConfiguration", "true");
            props.setProperty("profileSQL", "true");
            props.setProperty("logFactory", "com.mysql.jdbc.log.StandardLogger");

            Connection conn1 = getConnectionWithProps(props);

            StandardLogger.saveLogsToBuffer();

            Connection conn2 = getConnectionWithProps(props);

            assertTrue("Configuration wasn't cached", StandardLogger.bufferedLog
                        .toString().indexOf("SHOW VARIABLES") == -1);

            if (versionMeetsMinimum(4, 1)) {
                  assertTrue("Configuration wasn't cached",
                              StandardLogger.bufferedLog.toString().indexOf(
                                          "SHOW COLLATION") == -1);

            }
      }

      /**
       * Tests whether or not the configuration 'useLocalSessionState' actually
       * prevents non-needed 'set autocommit=', 'set session transaction isolation
       * ...' and 'show variables like tx_isolation' queries.
       * 
       * @throws Exception
       *             if the test fails.
       */
00864       public void testUseLocalSessionState() throws Exception {
            Properties props = new Properties();

            props.setProperty("useLocalSessionState", "true");
            props.setProperty("profileSQL", "true");
            props.setProperty("logFactory", "com.mysql.jdbc.log.StandardLogger");

            Connection conn1 = getConnectionWithProps(props);
            conn1.setAutoCommit(true);
            conn1.setTransactionIsolation(Connection.TRANSACTION_REPEATABLE_READ);

            StandardLogger.saveLogsToBuffer();
            StandardLogger.bufferedLog.setLength(0);

            conn1.setAutoCommit(true);
            conn1.setTransactionIsolation(Connection.TRANSACTION_REPEATABLE_READ);
            conn1.getTransactionIsolation();

            String logAsString = StandardLogger.bufferedLog.toString();

            assertTrue(logAsString.indexOf("SET SESSION") == -1
                        && logAsString.indexOf("SHOW VARIABLES LIKE 'tx_isolation'") == -1
                        && logAsString.indexOf("SET autocommit=") == -1);

      }

      /**
       * Tests whether re-connect with non-read-only connection can happen.
       * 
       * @throws Exception
       *             if the test fails.
       */
00896       public void testFailoverConnection() throws Exception {

            if (!isServerRunningOnWindows()) { // windows sockets don't
                                                 // work for this test
                  Properties props = new Properties();
                  props.setProperty("autoReconnect", "true");
                  props.setProperty("failOverReadOnly", "false");
      
                  // Re-build the connection information
                  int firstIndexOfHost = BaseTestCase.dbUrl.indexOf("//") + 2;
                  int lastIndexOfHost = BaseTestCase.dbUrl.indexOf("/", firstIndexOfHost);
      
                  String hostPortPair = BaseTestCase.dbUrl.substring(firstIndexOfHost,
                              lastIndexOfHost);
                  System.out.println(hostPortPair);
      
                  StringTokenizer st = new StringTokenizer(hostPortPair, ":");
      
                  String host = null;
                  String port = null;
      
                  if (st.hasMoreTokens()) {
                        String possibleHostOrPort = st.nextToken();
      
                        if (Character.isDigit(possibleHostOrPort.charAt(0)) && 
                                    (possibleHostOrPort.indexOf(".") == -1 /* IPV4 */)  &&
                                    (possibleHostOrPort.indexOf("::") == -1 /* IPV6 */)) {
                              port = possibleHostOrPort;
                              host = "localhost";
                        } else {
                              host = possibleHostOrPort;
                        }
                  }
      
                  if (host == null) {
                        host = "localhost"; 
                  }
                  
                  if (st.hasMoreTokens()) {
                        port = st.nextToken();
                  }
      
                  StringBuffer newHostBuf = new StringBuffer();
                  newHostBuf.append(host);
                  if (port != null) {
                        newHostBuf.append(":");
                        newHostBuf.append(port);
                  }
                  newHostBuf.append(",");
                  newHostBuf.append(host);
                  if (port != null) {
                        newHostBuf.append(":");
                        newHostBuf.append(port);
                  }
      
                  props
                              .put(NonRegisteringDriver.HOST_PROPERTY_KEY, newHostBuf
                                          .toString());
      
                  Connection failoverConnection = null;
      
                  try {
                        failoverConnection = getConnectionWithProps(props);
      
                        String originalConnectionId = getSingleIndexedValueWithQuery(
                                    failoverConnection, 1, "SELECT connection_id()").toString();
                        System.out.println("Original Connection Id = "
                                    + originalConnectionId);
      
                        assertTrue("Connection should not be in READ_ONLY state",
                                    !failoverConnection.isReadOnly());
      
                        // Kill the connection
                        this.stmt.executeUpdate("KILL " + originalConnectionId);
      
                        // This takes a bit to occur
      
                        Thread.sleep(3000);
      
                        try {
                              failoverConnection.createStatement().executeQuery("SELECT 1");
                              fail("We expect an exception here, because the connection should be gone until the reconnect code picks it up again");
                        } catch (SQLException sqlEx) {
                              ; // do-nothing
                        }
      
                        // Tickle re-connect
      
                        failoverConnection.setAutoCommit(true);
      
                        String newConnectionId = getSingleIndexedValueWithQuery(
                                    failoverConnection, 1, "SELECT connection_id()").toString();
                        System.out.println("new Connection Id = " + newConnectionId);
      
                        assertTrue(
                                    "We should have a new connection to the server in this case",
                                    !newConnectionId.equals(originalConnectionId));
                        assertTrue("Connection should not be read-only",
                                    !failoverConnection.isReadOnly());
                  } finally {
                        if (failoverConnection != null) {
                              failoverConnection.close();
                        }
                  }
            }
      }

      public void testCannedConfigs() throws Exception {
            String url = "jdbc:mysql:///?useConfigs=clusterBase";

            Properties cannedProps = new NonRegisteringDriver().parseURL(url, null);

            assertTrue("true".equals(cannedProps.getProperty("autoReconnect")));
            assertTrue("false".equals(cannedProps.getProperty("failOverReadOnly")));
            assertTrue("true".equals(cannedProps
                        .getProperty("roundRobinLoadBalance")));

            // this will fail, but we test that too
            url = "jdbc:mysql:///?useConfigs=clusterBase,clusterBase2";

            try {
                  cannedProps = new NonRegisteringDriver().parseURL(url, null);
                  fail("should've bailed on that one!");
            } catch (SQLException sqlEx) {
                  assertTrue(SQLError.SQL_STATE_INVALID_CONNECTION_ATTRIBUTE
                              .equals(sqlEx.getSQLState()));
            }
      }

      public void testUseOldUTF8Behavior() throws Exception {

            Properties props = new Properties();
            props.setProperty("useOldUTF8Behavior", "true");
            props.setProperty("useUnicode", "true");
            props.setProperty("characterEncoding", "UTF-8");
            props.setProperty("logFactory", "com.mysql.jdbc.log.StandardLogger");
            props.setProperty("profileSQL", "true");
            StandardLogger.saveLogsToBuffer();
            StandardLogger.bufferedLog.setLength(0);

            try {
                  getConnectionWithProps(props);

                  assertTrue(StringUtils.indexOfIgnoreCase(StandardLogger.bufferedLog
                              .toString(), "SET NAMES utf8") == -1);
            } finally {
                  StandardLogger.bufferedLog = null;
            }
      }

      /**
       * Checks implementation of 'dontTrackOpenResources' property.
       * 
       * @throws Exception
       *             if the test fails.
       */
01052       public void testDontTrackOpenResources() throws Exception {
            Properties props = new Properties();

            props.setProperty("dontTrackOpenResources", "true");
            Connection noTrackConn = null;
            Statement noTrackStatement = null;
            PreparedStatement noTrackPstmt = null;
            ResultSet rs2 = null;

            try {
                  noTrackConn = getConnectionWithProps(props);
                  noTrackStatement = noTrackConn.createStatement();
                  noTrackPstmt = noTrackConn.prepareStatement("SELECT 1");
                  rs2 = noTrackPstmt.executeQuery();
                  rs2.next();

                  this.rs = noTrackStatement.executeQuery("SELECT 1");
                  this.rs.next();

                  noTrackConn.close();

                  // Under 'strict' JDBC requirements, these calls should fail
                  // (and _do_ if dontTrackOpenResources == false)

                  this.rs.getString(1);
                  rs2.getString(1);
            } finally {
                  if (rs2 != null) {
                        rs2.close();
                  }

                  if (noTrackStatement != null) {
                        noTrackStatement.close();
                  }

                  if (noTrackConn != null & !noTrackConn.isClosed()) {
                        noTrackConn.close();
                  }
            }
      }

      public void testPing() throws SQLException {
            Connection conn2 = getConnectionWithProps(null);

            ((com.mysql.jdbc.Connection) conn2).ping();
            conn2.close();

            try {
                  ((com.mysql.jdbc.Connection) conn2).ping();
                  fail("Should have failed with an exception");
            } catch (SQLException sqlEx) {
                  // ignore for now
            }

            //
            // This feature caused BUG#8975, so check for that too!

            Properties props = new Properties();
            props.setProperty("autoReconnect", "true");

            getConnectionWithProps(props);
      }

      public void testSessionVariables() throws Exception {
            String getInitialMaxAllowedPacket = getMysqlVariable("max_allowed_packet");

            int newMaxAllowedPacket = Integer.parseInt(getInitialMaxAllowedPacket) + 1024;

            Properties props = new Properties();
            props.setProperty("sessionVariables", "max_allowed_packet="
                        + newMaxAllowedPacket);
            props.setProperty("profileSQL", "true");

            Connection varConn = getConnectionWithProps(props);

            assertTrue(!getInitialMaxAllowedPacket.equals(getMysqlVariable(varConn,
                        "max_allowed_packet")));
      }

      /**
       * Tests setting profileSql on/off in the span of one connection.
       * 
       * @throws Exception
       *             if an error occurs.
       */
01137       public void testSetProfileSql() throws Exception {
            ((com.mysql.jdbc.Connection) this.conn).setProfileSql(false);
            stmt.executeQuery("SELECT 1");
            ((com.mysql.jdbc.Connection) this.conn).setProfileSql(true);
            stmt.executeQuery("SELECT 1");
      }

      public void testCreateDatabaseIfNotExist() throws Exception {
            if (isAdminConnectionConfigured()) {
                  Properties props = new Properties();
                  props.setProperty("createDatabaseIfNotExist", "true");
                  props.setProperty(NonRegisteringDriver.DBNAME_PROPERTY_KEY,
                              "testcreatedatabaseifnotexists");

                  Connection newConn = getAdminConnectionWithProps(props);
                  newConn.createStatement().executeUpdate(
                              "DROP DATABASE testcreatedatabaseifnotexists");
            }
      }
    
    /**
     * Tests if gatherPerfMetrics works.
     * 
     * @throws Exception if the test fails
     */
01162     public void testGatherPerfMetrics() throws Exception {
        if(versionMeetsMinimum(4, 1)) {
            try {
                Properties props = new Properties();
                props.put("autoReconnect", "true");
                props.put("relaxAutoCommit", "true");
                props.put("logSlowQueries", "true");
                props.put("slowQueryThresholdMillis", "2000");
                // these properties were reported as the cause of NullPointerException
                props.put("gatherPerfMetrics", "true"); 
                props.put("reportMetricsIntervalMillis", "3000"); 
                
                Connection conn1 = getConnectionWithProps(props);
                Statement stmt1 = conn1.createStatement();
                ResultSet rs1 = stmt1.executeQuery("SELECT 1");
                rs1.next();
                conn1.close();
            } catch (NullPointerException e) {
                e.printStackTrace();
                fail();
            }
        }
    }

    /**
     * Tests if useCompress works.
     * 
     * @throws Exception if the test fails
     */
01191     public void testUseCompress() throws Exception {
        Properties props = new Properties();
        props.put("useCompression", "true");
        props.put("traceProtocol", "true");
        Connection conn1 = getConnectionWithProps(props);
        Statement stmt1 = conn1.createStatement();
        ResultSet rs1 = stmt1.executeQuery("SELECT VERSION()");
        rs1.next();
        rs1.getString(1);
        stmt1.close();
        conn1.close();
    }
}

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