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OPENJPA-1715: OpenJPA generates wrong SQL if a result variable that references an aggregate expression is used in ORDER BY clause 

add testcase.

git-svn-id: https://svn.apache.org/repos/asf/openjpa/branches/2.0.x@961449 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Catalina Wei 2010-07-07 18:10:25 +00:00
parent ae5c2c881e
commit d7a9cdf3de
1 changed files with 17 additions and 0 deletions
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17
openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/jpql/expressions/TestJPQLScalarExpressions.java
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@ -20,6 +20,7 @@ package org.apache.openjpa.persistence.jpql.expressions;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.Query;
import org.apache.openjpa.persistence.common.apps.*;
import org.apache.openjpa.persistence.common.utils.AbstractTestCase;
@ -69,6 +70,22 @@ public class TestJPQLScalarExpressions extends AbstractTestCase {
endEm(em);
}
@SuppressWarnings("unchecked")
public void testAggregateResultVariable() {
EntityManager em = currentEntityManager();
String querys[] = {
"SELECT c.name as name, SUM(c.age) as sage FROM CompUser c group by c.name order by sage desc, name",
"SELECT c.name, AVG(c.age) as age FROM CompUser c group by c.name order by age desc, c.name",
};
for (int i = 0; i < querys.length; i++) {
Query query = em.createQuery(querys[i]);
query.setFirstResult(1);
query.setMaxResults(4);
List<Object[]> rs = query.getResultList();
assertTrue((Long)((Object[]) rs.get(0))[1] > 0);
}
}
@SuppressWarnings("unchecked")
public void testMathAndAggregate() {
EntityManager em = currentEntityManager();