Mercurial > hg > monetdb-java
view tests/Test_Cautocommit.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_Cautocommit { public static void main(String[] args) throws Exception { Class.forName("nl.cwi.monetdb.jdbc.MonetDriver"); Connection con1 = DriverManager.getConnection(args[0]); Connection con2 = DriverManager.getConnection(args[0]); Statement stmt1 = con1.createStatement(); Statement stmt2 = con2.createStatement(); ResultSet rs = null; //DatabaseMetaData dbmd = con.getMetaData(); // >> true: auto commit should be on by default System.out.println("0. true\t" + con1.getAutoCommit()); System.out.println("0. true\t" + con2.getAutoCommit()); // test commit by checking if a change is visible in another connection try { System.out.print("1. create..."); stmt1.executeUpdate("CREATE TABLE table_Test_Cautocommit ( id int )"); System.out.println("passed :)"); System.out.print("2. select..."); rs = stmt2.executeQuery("SELECT * FROM table_Test_Cautocommit"); System.out.println("passed :)"); } catch (SQLException e) { // this means we failed (table not there perhaps?) System.out.println("FAILED :( " + e.getMessage()); System.out.println("ABORTING TEST!!!"); con1.close(); con2.close(); System.exit(-1); } // turn off auto commit con1.setAutoCommit(false); con2.setAutoCommit(false); // >> false: we just disabled it System.out.println("3. false\t" + con1.getAutoCommit()); System.out.println("4. false\t" + con2.getAutoCommit()); // a change would not be visible now try { System.out.print("5. drop..."); stmt2.executeUpdate("DROP TABLE table_Test_Cautocommit"); System.out.println("passed :)"); System.out.print("6. select..."); rs = stmt1.executeQuery("SELECT * FROM table_Test_Cautocommit"); System.out.println("passed :)"); System.out.print("7. commit..."); con2.commit(); System.out.println("passed :)"); System.out.print("8. select..."); rs = stmt1.executeQuery("SELECT * FROM table_Test_Cautocommit"); System.out.println("passed :)"); System.out.print("9. commit..."); con1.commit(); System.out.println("passed :)"); } catch (SQLException e) { // this means we failed (table not there perhaps?) System.out.println("FAILED :("); System.out.println("ABORTING TEST!!!"); } if (rs != null) rs.close(); con1.close(); con2.close(); } }