Hibernate example source code file (DerbyDialectTestCase.java)

This example Hibernate source code file (DerbyDialectTestCase.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Hibernate tags/keywords

aa1111, aa1111, aa1112, aa1112, baseunittestcase, derbydialect, derbydialecttestcase, hhh-3972, localderbydialect, string, string, test, test, testforissue

The Hibernate DerbyDialectTestCase.java source code

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2009 by Red Hat Inc and/or its affiliates or by
 * third-party contributors as indicated by either @author tags or express
 * copyright attribution statements applied by the authors.  All
 * third-party contributions are distributed under license by Red Hat Inc.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.hibernate.dialect;

import org.junit.Test;

import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.junit4.BaseUnitTestCase;
import static org.junit.Assert.assertEquals;

/**
 * Testing of patched support for Derby limit and offset queries; see HHH-3972
 *
 * @author Evan Leonard
 */
@TestForIssue( jiraKey = "HHH-3972" )
public class DerbyDialectTestCase extends BaseUnitTestCase {

	private static class LocalDerbyDialect extends DerbyDialect {
		protected boolean isTenPointFiveReleaseOrNewer() {
			return true; // for test sake :)
		}
	}

	@Test
	public void testInsertLimitClause() {
		final int limit = 50;
		final String input = "select * from tablename t where t.cat = 5";
		final String expected = "select * from tablename t where t.cat = 5 fetch first " + limit + " rows only";

		final String actual = new LocalDerbyDialect().getLimitString( input, 0, limit );
		assertEquals( expected, actual );
	}

	@Test
	public void testInsertLimitWithOffsetClause() {
		final int limit = 50;
		final int offset = 200;
		final String input = "select * from tablename t where t.cat = 5";
		final String expected = "select * from tablename t where t.cat = 5 offset " + offset + " rows fetch next " + limit + " rows only";

		final String actual = new LocalDerbyDialect().getLimitString( input, offset, limit );
		assertEquals( expected, actual );
	}

	@Test
	public void testInsertLimitWithForUpdateClause() {
		final int limit = 50;
		final int offset = 200;
		final String input = "select c11 as col1, c12 as col2, c13 as col13 from t1 for update of c11, c13";
		final String expected = "select c11 as col1, c12 as col2, c13 as col13 from t1 offset " + offset
				+ " rows fetch next " + limit + " rows only for update of c11, c13";

		final String actual = new LocalDerbyDialect().getLimitString( input, offset, limit );
		assertEquals( expected, actual );
	}

	@Test
	public void testInsertLimitWithWithClause() {
		final int limit = 50;
		final int offset = 200;
		final String input = "select c11 as col1, c12 as col2, c13 as col13 from t1 where flight_id between 'AA1111' and 'AA1112' with rr";
		final String expected = "select c11 as col1, c12 as col2, c13 as col13 from t1 where flight_id between 'AA1111' and 'AA1112' offset " + offset
				+ " rows fetch next " + limit + " rows only with rr";

		final String actual = new LocalDerbyDialect().getLimitString( input, offset, limit );
		assertEquals( expected, actual );
	}

	@Test
	public void testInsertLimitWithForUpdateAndWithClauses() {
		final int limit = 50;
		final int offset = 200;
		final String input = "select c11 as col1, c12 as col2, c13 as col13 from t1 where flight_id between 'AA1111' and 'AA1112' for update of c11,c13 with rr";
		final String expected = "select c11 as col1, c12 as col2, c13 as col13 from t1 where flight_id between 'AA1111' and 'AA1112' offset " + offset
				+ " rows fetch next " + limit + " rows only for update of c11,c13 with rr";

		final String actual = new LocalDerbyDialect().getLimitString( input, offset, limit );
		assertEquals( expected, actual );
	}
}