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OPENJPA-703 add testcase for getSingleResult 

git-svn-id: https://svn.apache.org/repos/asf/openjpa/trunk@741737 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Catalina Wei 2009-02-06 21:26:32 +00:00
parent 6bbbb786c2
commit 72fa143e53
1 changed files with 27 additions and 5 deletions
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32
openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/jdbc/TestOptimizeForClause.java
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@ -18,12 +18,12 @@
*/ */
package org.apache.openjpa.persistence.jdbc; package org.apache.openjpa.persistence.jdbc;
import javax.persistence.NoResultException;
import javax.persistence.Query; import javax.persistence.Query;
import org.apache.openjpa.persistence.test.SQLListenerTestCase; import org.apache.openjpa.persistence.test.SQLListenerTestCase;
import org.apache.openjpa.persistence.simple.AllFieldTypes; import org.apache.openjpa.persistence.simple.AllFieldTypes;
import org.apache.openjpa.persistence.OpenJPAPersistence; import org.apache.openjpa.persistence.OpenJPAPersistence;
import org.apache.openjpa.persistence.OpenJPAEntityManager;
import org.apache.openjpa.persistence.OpenJPAQuery; import org.apache.openjpa.persistence.OpenJPAQuery;
import org.apache.openjpa.persistence.InvalidStateException; import org.apache.openjpa.persistence.InvalidStateException;
import org.apache.openjpa.persistence.OpenJPAEntityManagerSPI; import org.apache.openjpa.persistence.OpenJPAEntityManagerSPI;
@ -39,17 +39,39 @@ public class TestOptimizeForClause
setUp(AllFieldTypes.class); setUp(AllFieldTypes.class);
} }
public void testOptimizeForClauseViaGetSingleResult() {
OpenJPAEntityManagerSPI em = emf.createEntityManager();
DBDictionary dict = ((JDBCConfiguration) em.getConfiguration())
.getDBDictionaryInstance();
sql.clear();
try {
Object result = em.createQuery
("select o from AllFieldTypes o where o.intField = 0").
getSingleResult();
assertNull(result);
if (dict instanceof DB2Dictionary ) {
assertContainsSQL(" optimize for 1 row");
}
} catch (NoResultException pe) {
;
}
em.close();
}
public void testOptimizeForClauseViaHint() { public void testOptimizeForClauseViaHint() {
testOptimizeForClause(true,false,false); tstOptimizeForClause(true,false,false);
} }
public void testOptimizeForClauseViaFind() { public void testOptimizeForClauseViaFind() {
testOptimizeForClause(false,true,false); tstOptimizeForClause(false,true,false);
} }
public void testOptimizeForClauseViaQueryHint() { public void testOptimizeForClauseViaQueryHint() {
testOptimizeForClause(false,true,true); tstOptimizeForClause(false,true,true);
} }
public void testOptimizeForClause(boolean hint, public void tstOptimizeForClause(boolean hint,
boolean find, boolean queryHint) { boolean find, boolean queryHint) {
OpenJPAEntityManagerSPI em = emf.createEntityManager(); OpenJPAEntityManagerSPI em = emf.createEntityManager();
DBDictionary dict = ((JDBCConfiguration) em.getConfiguration()) DBDictionary dict = ((JDBCConfiguration) em.getConfiguration())