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Make replace_relid() leave argument unmodified

author Alexander Korotkov <akorotkov@postgresql.org>

2023年12月27日 01:34:29 +0000 (03:34 +0200)

committer Alexander Korotkov <akorotkov@postgresql.org>

2023年12月27日 01:57:57 +0000 (03:57 +0200)

commit e0477837ce49d73c9f21a5e00143b741ce6e1f89

tree e1029bfebccd8160cdfe381d292ba2dfbbc0aae0 tree

parent 7d58f2342bd3d2f0474207b63a3a548c29e20a9e commit | diff

Make replace_relid() leave argument unmodified

There are a lot of situations when we share the same pointer to a Bitmapset
structure across different places. In order to evade undesirable side effects
replace_relid() function should always return a copy.

Reported-by: Richard Guo
Discussion: https://postgr.es/m/CAMbWs4_wJthNtYBL%2BSsebpgF-5L2r5zFFk6xYbS0A78GKOTFHw%40mail.gmail.com
Reviewed-by: Richard Guo, Andres Freund, Ashutosh Bapat, Andrei Lepikhov

src/backend/optimizer/plan/analyzejoins.c diff | blob | blame | history

src/test/regress/expected/join.out diff | blob | blame | history

src/test/regress/sql/join.sql diff | blob | blame | history

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