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#624727 : fixed getSingleResult() for null usage

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This commit is contained in:
Timo Westkämper 2010-08-26 15:48:14 +00:00
parent 8c1c6d6a52
commit 8ea0c87972
2 changed files with 15 additions and 1 deletions
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9
querydsl-hql/src/main/java/com/mysema/query/hql/jpa/AbstractJPAQuery.java
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@ -9,6 +9,7 @@ import java.util.List;
import javax.annotation.Nullable;
import javax.persistence.EntityManager;
import javax.persistence.NoResultException;
import javax.persistence.Query;
import org.slf4j.Logger;
@ -176,6 +177,12 @@ public abstract class AbstractJPAQuery<Q extends AbstractJPAQuery<Q>> extends HQ
logQuery(queryString);
Query query = createQuery(queryString, null);
reset();
return (RT) query.getSingleResult();
try{
return (RT) query.getSingleResult();
}catch(NoResultException e){
logger.debug(e.getMessage(),e);
return null;
}
}
}

7
querydsl-hql/src/test/java/com/mysema/query/AbstractStandardTest.java
View File

@ -5,6 +5,7 @@
*/
package com.mysema.query;
import static org.junit.Assert.*;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
@ -16,6 +17,7 @@ import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.UUID;
import org.junit.Before;
import org.junit.Test;
@ -308,5 +310,10 @@ public abstract class AbstractStandardTest {
Param<String> name = new Param<String>(String.class,"name");
assertEquals("Bob123",query().from(cat).where(cat.name.eq(name)).uniqueResult(cat.name));
}
@Test
public void null_as_uniqueResult(){
assertNull(query().from(cat).where(cat.name.eq(UUID.randomUUID().toString())).uniqueResult(cat));
}
}