Horton

Prevent setting a column as identity if its not-null constraint is invalid

Álvaro Herrera <alvherre@kurilemu.de>

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Commit: cf8be022538937fe9fe22de776fb8cfe6460a784
Author: Álvaro Herrera <alvherre@kurilemu.de>
Date: 2025-11-03T14:58:19Z
Releases: 19 (unreleased) 
Prevent setting a column as identity if its not-null constraint is invalid

We don't allow null values to appear in identity-generated columns in
other ways, so we shouldn't let unvalidated not-null constraints do it
either.  Oversight in commit a379061a22a8.

Author: jian he <jian.universality@gmail.com>
Backpatch-through: 18
Discussion: https://postgr.es/m/CACJufxGQM_+vZoYJMaRoZfNyV=L2jxosjv_0TLAScbuLJXWRfQ@mail.gmail.com

Files

PathChange+/−
src/backend/commands/tablecmds.c modified +25 −0
src/test/regress/expected/constraints.out modified +4 −0
src/test/regress/sql/constraints.sql modified +3 −0

Discussion