Очень похоже на ошибку в модели.
Check your relationship "tracks" to be "toMany"
"is NULL" behavior is usually for "toOne" relationships.
2008/7/8 Michael Bushkov <[EMAIL PROTECTED]>:
> Hi, Pierre! Thanks for the answer.
> I've actually tried using EOKeyValueQualifier("tracks",
> EOQualifier.QualifierOperatorEquals, NSKeyValueCoding.NullValue). It
> generates the following sql, which is just wrong:
> SELECT RTRIM(t0.artist), t0.guitarProSongId, t0.id, RTRIM(t0.title)
> FROM Song t0 WHERE t0.id is NULL
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