+
−/*
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− * This Source Code Form is subject to the terms of the Mozilla Public
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− * License, v. 2.0.  If a copy of the MPL was not distributed with this
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− * file, You can obtain one at http://mozilla.org/MPL/2.0/.
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− *
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− * Copyright 1997 - July 2008 CWI, August 2008 - 2019 MonetDB B.V.
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− */
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−
+
−import java.sql.*;
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−
+
−public class Test_Ctransaction {
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−	public static void main(String[] args) throws Exception {
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−		// Class.forName("nl.cwi.monetdb.jdbc.MonetDriver");	// not needed anymore for self registering JDBC drivers
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−		Connection con1 = DriverManager.getConnection(args[0]);
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−		Statement stmt1 = con1.createStatement();
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−		//DatabaseMetaData dbmd = con.getMetaData();
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−
+
−		// >> true: auto commit should be on by default
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−		System.out.println("0. true\t" + con1.getAutoCommit());
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−
+
−		// test commit by checking if a change is visible in another connection
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−		try {
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−			System.out.print("1. commit...");
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−			con1.commit();
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−			System.out.println("PASSED :(");
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−			con1.close();
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−			System.exit(-1);
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−		} catch (SQLException e) {
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−			// this means we get what we expect
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−			System.out.println("failed :) " + e.getMessage());
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−		}
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−
+
−		// turn off auto commit
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−		con1.setAutoCommit(false);
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−
+
−		// >> false: we just disabled it
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−		System.out.println("2. false\t" + con1.getAutoCommit());
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−
+
−		// a change would not be visible now
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−		try {
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−			System.out.print("3. commit...");
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−			con1.commit();
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−			System.out.println("passed :)");
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−			System.out.print("4. commit...");
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−			con1.commit();
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−			System.out.println("passed :)");
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−			System.out.print("5. rollback...");
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−			con1.rollback();
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−			System.out.println("passed :)");
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−		} catch (SQLException e) {
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−			// this means we failed (table not there perhaps?)
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−			System.out.println("FAILED :( " + e.getMessage());
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−			System.out.println("ABORTING TEST!!!");
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−			con1.close();
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−			System.exit(-1);
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−		}
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−
+
−		// turn off auto commit
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−		con1.setAutoCommit(true);
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−
+
−		// >> false: we just disabled it
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−		System.out.println("6. true\t" + con1.getAutoCommit());
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−
+
−		try {
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−			System.out.print("7. start transaction...");
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−			stmt1.executeUpdate("START TRANSACTION");
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−			System.out.println("passed :)");
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−			System.out.print("8. commit...");
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−			con1.commit();
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−			System.out.println("passed :)");
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−			System.out.println("9. true\t" + con1.getAutoCommit());
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−			System.out.print("10. start transaction...");
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−			stmt1.executeUpdate("START TRANSACTION");
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−			System.out.println("passed :)");
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−			System.out.print("11. rollback...");
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−			con1.rollback();
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−			System.out.println("passed :)");
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−			System.out.println("12. true\t" + con1.getAutoCommit());
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−		} catch (SQLException e) {
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−			// this means we failed (table not there perhaps?)
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−			System.out.println("FAILED :(");
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−			System.out.println("ABORTING TEST!!!");
+
−		}
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−
+
−		try {
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−			// a commit now should fail
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−			System.out.print("13. commit...");
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−			con1.commit();
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−			System.out.println("PASSED :(");
+
−		} catch (SQLException e) {
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−			// this means we get what we expect
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−			System.out.println("failed :) " + e.getMessage());
+
−		}
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−
+
−		con1.close();
+
−	}
+
−}