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annotate tests/Test_PSsomeamount.java @ 391:f523727db392

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Moved Java classes from packages starting with nl.cwi.monetdb.* to package org.monetdb.* This naming complies to the Java Package Naming convention as MonetDB's main website is www.monetdb.org.
author Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
date Thu, 12 Nov 2020 22:02:01 +0100 (2020-11-12)
parents 3ee02e94bd1d
children bf9f6b6ecf40
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1 /*
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2 * This Source Code Form is subject to the terms of the Mozilla Public
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
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5 *
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54137aeb1f92 Update Copyright year.
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6 * Copyright 1997 - July 2008 CWI, August 2008 - 2020 MonetDB B.V.
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7 */
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9 import java.sql.*;
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11 /* Create a lot of PreparedStatements, to emulate webloads such as those
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12 * from Hibernate. */
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14 public class Test_PSsomeamount {
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15 public static void main(String[] args) throws Exception {
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16 Connection con = DriverManager.getConnection(args[0]);
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17 Statement stmt = con.createStatement();
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18 PreparedStatement pstmt;
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20 // >> true: auto commit should be on
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21 System.out.println("0. true\t" + con.getAutoCommit());
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23 try {
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24 System.out.println("1. Preparing and executing a unique statement");
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25 for (int i = 0; i < 100; i++) {
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26 pstmt = con.prepareStatement("select " + i + ", " + i + " = ?");
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27 pstmt.setInt(1, i);
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28 ResultSet rs = pstmt.executeQuery();
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29 if (rs.next() && i % 20 == 0) {
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30 System.out.println(rs.getInt(1) + ", " + rs.getBoolean(2));
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31 }
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32 /* this call should cause resources on the server to be
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33 * freed */
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34 pstmt.close();
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35 }
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36 } catch (SQLException e) {
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37 System.out.println("FAILED :( "+ e.getMessage());
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38 System.out.println("ABORTING TEST!!!");
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39 }
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41 stmt.close();
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42 con.close();
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43 }
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44 }