Bug 326977

Description David Minsky 2010-10-04 18:05:29 EDT

If you use a query-key defined for a field inside an aggregate then in-memory
querying does not work.  This can break conforming, in-memory querying and
update/delete-all invalidation.

This is because in conforming an expression if we can't find a mapping for
the query-key we try to find a mapping for the query-key's field.  This works
out ok for direct-mappings but if the mapping was inside an aggregate we find
the aggregate then end up comparing the aggregate object with the direct
value and think the object does not conform (or does if inside a not).


Needs to be fixed by only using the mapping for the field if the query-key
was a direct-query-key and if the mapping is a direct-mapping.

Also noticed the code in this method (QueryKeyExpression.valueFromCollection)
under,

// For bug 2780817 get the mapping directly from the object.  In EJB 2.0

Is wrong, as it uses the expression's name not the mapping's, which will
cause a null-pointer if the mapping was null (for query-key's field).