Mercurial > hg > monetdb-java
view tests/Test_PSsomeamount.java @ 261:d4baf8a4b43a
Update Copyright year to 2019
author | Martin van Dinther <martin.van.dinther@monetdbsolutions.com> |
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date | Thu, 03 Jan 2019 14:43:44 +0100 (2019-01-03) |
parents | c38d4eaf5479 |
children | 54137aeb1f92 |
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/* * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * Copyright 1997 - July 2008 CWI, August 2008 - 2019 MonetDB B.V. */ import java.sql.*; import java.util.*; /* Create a lot of PreparedStatements, to emulate webloads such as those * from Hibernate. */ public class Test_PSsomeamount { public static void main(String[] args) throws Exception { // Class.forName("nl.cwi.monetdb.jdbc.MonetDriver"); // not needed anymore for self registering JDBC drivers Connection con = DriverManager.getConnection(args[0]); Statement stmt = con.createStatement(); PreparedStatement pstmt; // >> true: auto commit should be on System.out.println("0. true\t" + con.getAutoCommit()); try { System.out.println("1. Preparing and executing a unique statement"); for (int i = 0; i < 10000; i++) { pstmt = con.prepareStatement("select " + i + ", " + i + " = ?"); pstmt.setInt(1, i); ResultSet rs = pstmt.executeQuery(); if (rs.next() && i % 1000 == 0) { System.out.println(rs.getInt(1) + ", " + rs.getBoolean(2)); } /* this call should cause resources on the server to be * freed */ pstmt.close(); } } catch (SQLException e) { System.out.println("FAILED :( "+ e.getMessage()); System.out.println("ABORTING TEST!!!"); } con.close(); } }