Mercurial > hg > monetdb-java
view tests/Test_Csendthread.java @ 0:a5a898f6886c
Copy of MonetDB java directory changeset e6e32756ad31.
author | Sjoerd Mullender <sjoerd@acm.org> |
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date | Wed, 21 Sep 2016 09:34:48 +0200 (2016-09-21) |
parents | |
children | 04fbf3655452 |
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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 - 2016 MonetDB B.V. */ import java.sql.*; public class Test_Csendthread { public static void main(String[] args) throws Exception { Class.forName("nl.cwi.monetdb.jdbc.MonetDriver"); System.out.println("0. active threads: " + Thread.activeCount()); StringBuilder sb = new StringBuilder(); sb.append("SELECT 1"); for (int i = 0; i < 256; i++) { sb.append("-- ADDING DUMMY TEXT AS COMMENT TO MAKE THE QUERY VERY VERY VERY VERY LONG\n"); } sb.append(";\n"); String longQuery = sb.toString(); for (int i = 0; i < 10; i++) { for (int j = 0; j < 10; j++) { Connection conn = DriverManager.getConnection(args[0]); try { Statement st = conn.createStatement(); st.execute(longQuery); st.close(); } finally { conn.close(); } } System.out.println("1. active threads: " + Thread.activeCount()); } System.out.println("2. active threads: " + Thread.activeCount()); } }