+
−/*
+
− * 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 - 2018 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_PSlargeamount {
+
−	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
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−		System.out.println("0. true\t" + con.getAutoCommit());
+
−
+
−		try {
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−			System.out.println("1. Preparing and executing a unique statement");
+
−			for (int i = 0; i < 50000; i++) {
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−				pstmt = con.prepareStatement("select " + i + ", " + i + " = ?");
+
−				pstmt.setInt(1, i);
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−				ResultSet rs = pstmt.executeQuery();
+
−				if (rs.next() && i % 1000 == 0) {
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−					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();
+
−	}
+
−}