Mercurial > hg > monetdb-java
diff 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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new file mode 100644 --- /dev/null +++ b/tests/Test_Cautocommit.java @@ -0,0 +1,78 @@ +/* + * 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(); + } +}