Wednesday, December 4, 2013

Why is Fetch(join) is not working with HQL?

@Fetch(JOIN) will be ignored if you use the Query interface (e.g.: session.createQuery()) but it will be properly used if you use the Criteria interface.

This is practically a bug in Hibernate which was never resolved. It is unfortunate because a lot of applications use the Query interface and cannot be migrated easily to the Criteria interface.

If you use the Query interface you always have to add JOIN FETCH statements into the HQL manually.

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