diff tests/Test_Creplysize.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)
parents
children 04fbf3655452
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+++ b/tests/Test_Creplysize.java
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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_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();
+	}
+}