view tests/Test_Sbatching.java @ 0:a5a898f6886c

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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/*
 * 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_Sbatching {
	public static void main(String[] args) throws Exception {
		Class.forName("nl.cwi.monetdb.jdbc.MonetDriver");
		Connection con = DriverManager.getConnection(args[0]);
		Statement stmt = con.createStatement();
		ResultSet rs = null;
		//DatabaseMetaData dbmd = con.getMetaData();

		// >> true: auto commit should be on by default
		System.out.println("0. true\t" + con.getAutoCommit());

		try {
			System.out.print("1. create...");
			if (stmt.executeUpdate("CREATE TABLE table_Test_Sbatching ( id int )") != Statement.SUCCESS_NO_INFO)
				throw new SQLException("Wrong return status");
			System.out.println("passed :)");

			// start batching a large amount of inserts
			for (int i = 1; i <= 30000; i++) {
				stmt.addBatch("INSERT INTO table_Test_Sbatching VALUES (" + i + ")");
				if (i % 400 == 0) {
					System.out.print("2. executing batch (400 inserts)...");
					int[] cnts = stmt.executeBatch();
					System.out.println("passed :)");
					System.out.print("3. checking number of update counts...");
					if (cnts.length != 400) throw new SQLException("Invalid size: " + cnts.length);
					System.out.println(cnts.length + " passed :)");
					System.out.print("4. checking update counts (should all be 1)...");
					for (int j = 0; j < cnts.length; j++) {
						if (cnts[j] != 1) throw new SQLException("Unexpected value: " + cnts[j]);
					}
					System.out.println("passed :)");
					System.out.print("5. clearing the batch...");
					stmt.clearBatch();
					System.out.println("passed :)");
				}
			}
			System.out.print("6. executing batch...");
			stmt.executeBatch();
			System.out.println("passed :)");

			System.out.print("7. checking table count...");
			rs = stmt.executeQuery("SELECT COUNT(*) FROM table_Test_Sbatching");
			rs.next();
			System.out.println(rs.getInt(1) + " passed :)");

			System.out.print("8. clean up mess we made...");
			if (stmt.executeUpdate("DROP TABLE table_Test_Sbatching") != Statement.SUCCESS_NO_INFO)
				throw new SQLException("Wrong return status");
			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!!!");
		}

		if (rs != null) rs.close();

		con.close();
	}
}