django__django-13757

Using __isnull=True on a KeyTransform should not match JSON null on SQLite and Oracle

Verdict: disputed: one of the two checks found quoted evidence (not counted as a flag).

The KeyTransformIsNull lookup borrows the logic from HasKey for isnull=False, which is correct. If isnull=True, the query should only match objects that do not have the key.

Disputed: one of the two checks found a pointer to the fix, the other found nothing. Not counted as a flag; the quote is on the task page.

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