Mercurial > hg > monetdb-java
view tests/Test_Creplysize.java @ 391:f523727db392
Moved Java classes from packages starting with nl.cwi.monetdb.* to package org.monetdb.*
This naming complies to the Java Package Naming convention as MonetDB's main website is www.monetdb.org.
author | Martin van Dinther <martin.van.dinther@monetdbsolutions.com> |
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date | Thu, 12 Nov 2020 22:02:01 +0100 (2020-11-12) |
parents | 54137aeb1f92 |
children | bf9f6b6ecf40 |
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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 - 2020 MonetDB B.V. */ import java.sql.*; public class Test_Creplysize { public static void main(String[] args) throws Exception { Connection con1 = DriverManager.getConnection(args[0]); Statement stmt1 = con1.createStatement(); ResultSet rs = null; con1.setAutoCommit(false); // >> true: auto commit should be off by now System.out.println("0. true\t" + con1.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_Creplysize ( id int )"); System.out.println("passed :)"); System.out.print("2. populating with 21 records... "); for (int i = 0; i < 21; i++) stmt1.executeUpdate("INSERT INTO table_Test_Creplysize (id) values (" + (i + 1) + ")"); System.out.println("passed :)"); System.out.print("3. hinting the driver to use fetchsize 10... "); stmt1.setFetchSize(10); System.out.println("passed :)"); System.out.print("4. selecting all values... "); rs = stmt1.executeQuery("SELECT * FROM table_Test_Creplysize"); int i = 0; while (rs.next()) i++; rs.close(); if (i == 21) { System.out.println("passed :)"); } else { throw new SQLException("got " + i + " records!!!"); } System.out.print("5. resetting driver fetchsize hint... "); stmt1.setFetchSize(0); System.out.println("passed :)"); System.out.print("6. instructing the driver to return at max 10 rows... "); stmt1.setMaxRows(10); System.out.println("passed :)"); System.out.print("7. selecting all values... "); rs = stmt1.executeQuery("SELECT * FROM table_Test_Creplysize"); i = 0; while (rs.next()) i++; rs.close(); if (i == 10) { System.out.println("passed :)"); } else { throw new SQLException("got " + i + " records!!!"); } System.out.print("8. hinting the driver to use fetchsize 5... "); stmt1.setFetchSize(5); System.out.println("passed :)"); System.out.print("9. selecting all values... "); rs = stmt1.executeQuery("SELECT * FROM table_Test_Creplysize"); i = 0; while (rs.next()) i++; rs.close(); if (i == 10) { System.out.println("passed :)"); } else { throw new SQLException("got " + i + " records!!!"); } } catch (SQLException e) { // this means we failed (table not there perhaps?) System.out.println("FAILED :( " + e.getMessage()); System.out.println("ABORTING TEST!!!"); con1.close(); System.exit(-1); } con1.close(); } }