/*
* 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 );
}
}