Simon Charette 3434dbd39d Fixed #34754 -- Fixed JSONField check constraints validation on NULL values. ...

The __isnull lookup of JSONField must special case
Value(None, JSONField()) left-hand-side in order to be coherent with
its convoluted null handling.

Since psycopg>=3 offers no way to pass a NULL::jsonb the issue is
resolved by optimizing IsNull(Value(None), True | False) to
True | False.

Regression in 5c23d9f0c3.

Thanks Alexandre Collet for the report.

2023-08-04 10:14:03 +02:00

3.6 KiB

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