[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-7226) Result transformer set on Query is ignored
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https://hibernate.onjira.com/browse/HHH-7226?page=com.atlassian.jira.plug...
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Rafal Figas commented on HHH-7226:
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I've just discovered that transformer is applied, however in some strange way.
Running:
String queryStr = "select a from A a [some clauses that cause non-distinct
results]";
Query query = getSession().createQuery(queryStr);
return DistinctResultTransformer.INSTANCE.transformList(query.list());
causes return of list of five objects of type A.
However running:
String queryStr = "some query";
Query query = getSession().createQuery(queryStr);
query.setResultTransformer(DistinctResultTransformer.INSTANCE);
return query.list();
will also cause return of list of five objects, however those object will be of class
Object and cannot be cast to A.
Result transformer set on Query is ignored
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Key: HHH-7226
URL: https://hibernate.onjira.com/browse/HHH-7226
Project: Hibernate ORM
Issue Type: Bug
Affects Versions: 3.6.9
Reporter: Rafal Figas
Priority: Minor
When something like this is done:
String queryStr = "some query";
Query query = getSession().createQuery(queryStr);
query.setResultTransformer(DistinctResultTransformer.INSTANCE);
then query.list() is not transformed by given transformer.
Workaround exists:
DistinctResultTransformer.INSTANCE.transformList(query.list());
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