On 2010-05-10 22.16, Stanislav Muhametsin wrote:
Quoting Rickard Öberg <[email protected]>:
I would say yes, isNull should match even non-existing things. If you
compare to reality and ask all available Person instances (some of
which are Male and some of which are Female), then it does make sense
that all Females would be included. If you wanted to ask for Male that
does not have Wife, then that is what the query would be.
Follow-up on this: Should this also apply to, say, negated
EqualsPredicate? Is something non-equal to something else even if it
exists? Indeed, should it apply negated Comparison predicate? What about
ManyAssociation?
Good questions. I don't know. Sounds too complicated to even think about.
/Rickard
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