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comparison tests/Test_Csendthread.java @ 0:a5a898f6886c

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Copy of MonetDB java directory changeset e6e32756ad31.
author Sjoerd Mullender <sjoerd@acm.org>
date Wed, 21 Sep 2016 09:34:48 +0200 (2016-09-21)
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children 04fbf3655452
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-1:000000000000 0:a5a898f6886c
1 /*
2 * This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
5 *
6 * Copyright 1997 - July 2008 CWI, August 2008 - 2016 MonetDB B.V.
7 */
8
9 import java.sql.*;
10
11 public class Test_Csendthread {
12 public static void main(String[] args) throws Exception {
13 Class.forName("nl.cwi.monetdb.jdbc.MonetDriver");
14
15 System.out.println("0. active threads: " + Thread.activeCount());
16
17 StringBuilder sb = new StringBuilder();
18 sb.append("SELECT 1");
19 for (int i = 0; i < 256; i++) {
20 sb.append("-- ADDING DUMMY TEXT AS COMMENT TO MAKE THE QUERY VERY VERY VERY VERY LONG\n");
21 }
22 sb.append(";\n");
23 String longQuery = sb.toString();
24
25 for (int i = 0; i < 10; i++) {
26 for (int j = 0; j < 10; j++) {
27 Connection conn = DriverManager.getConnection(args[0]);
28 try {
29 Statement st = conn.createStatement();
30 st.execute(longQuery);
31 st.close();
32 } finally {
33 conn.close();
34 }
35 }
36 System.out.println("1. active threads: " + Thread.activeCount());
37 }
38 System.out.println("2. active threads: " + Thread.activeCount());
39 }
40 }