Mercurial > hg > monetdb-java
diff tests/Test_Sbatching.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_Sbatching.java @@ -0,0 +1,71 @@ +/* + * 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(); + } +}