/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you under the Apache License, Version 2.0 (the | |
* "License"); you may not use this file except in compliance | |
* with the License. You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, | |
* software distributed under the License is distributed on an | |
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
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package org.apache.openjpa.persistence.query; | |
import javax.persistence.EntityManager; | |
import org.apache.openjpa.persistence.test.SingleEMTestCase; | |
public class TestSubstring extends SingleEMTestCase { | |
public void setUp() { | |
super.setUp(SimpleEntity.class, CLEAR_TABLES, | |
"openjpa.Compatibility", "JPQL=extended"); | |
EntityManager em = emf.createEntityManager(); | |
em.getTransaction().begin(); | |
em.persist(new SimpleEntity("foo", "bar")); | |
em.getTransaction().commit(); | |
em.close(); | |
} | |
public void testSingleCharacterSubstringInWhere() { | |
assertEquals((long) 1, em.createQuery("select count(o) from simple o " + | |
"where substring(o.value, 1, 1) = 'b'").getSingleResult()); | |
assertEquals((long) 1, em.createQuery("select count(o) from simple o " + | |
"where substring(o.value, 2, 1) = 'a'").getSingleResult()); | |
assertEquals((long) 1, em.createQuery("select count(o) from simple o " + | |
"where substring(o.value, 3, 1) = 'r'").getSingleResult()); | |
} | |
public void testMultiCharacterSubstringInWhere() { | |
assertEquals((long) 1, em.createQuery("select count(o) from simple o " + | |
"where substring(o.value, 1, 2) = 'ba'").getSingleResult()); | |
assertEquals((long) 1, em.createQuery("select count(o) from simple o " + | |
"where substring(o.value, 2, 2) = 'ar'").getSingleResult()); | |
} | |
public void testSubstringInSelect() { | |
assertEquals("b", em.createQuery("select substring(o.value, 1, 1) " + | |
"from simple o").getSingleResult()); | |
assertEquals("a", em.createQuery("select substring(o.value, 2, 1) " + | |
"from simple o").getSingleResult()); | |
assertEquals("r", em.createQuery("select substring(o.value, 3, 1) " + | |
"from simple o").getSingleResult()); | |
} | |
} |