diff 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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+++ b/tests/Test_Sbatching.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_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();
+	}
+}