Mercurial > hg > monetdb-java
diff tests/Test_Creplysize.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_Creplysize.java @@ -0,0 +1,92 @@ +/* + * 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_Creplysize { + public static void main(String[] args) throws Exception { + Class.forName("nl.cwi.monetdb.jdbc.MonetDriver"); + Connection con1 = DriverManager.getConnection(args[0]); + Statement stmt1 = con1.createStatement(); + ResultSet rs = null; + //DatabaseMetaData dbmd = con.getMetaData(); + + 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(); + } +}