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Don't try to translate NULL in GetConfigOptionByNum().

author Andres Freund <andres@anarazel.de>

2022年3月23日 20:05:59 +0000 (13:05 -0700)

committer Andres Freund <andres@anarazel.de>

2022年3月23日 20:05:59 +0000 (13:05 -0700)

commit 3ac7d024122f26d828907f15d088dcd67d2eb4f1

tree 40f2a165b89a34d75a0a468c647095ddba444d5b tree

parent 1c6bb380e5aba195204a9c6d0b4713bd1b3dec9c commit | diff

Don't try to translate NULL in GetConfigOptionByNum().

Noticed via -fsanitize=undefined. Introduced when a few columns in
GetConfigOptionByNum() / pg_settings started to be translated in 72be8c29a /
PG 12.

Backpatch to all affected branches, for the same reasons as 46ab07ffda9.

Discussion: https://postgr.es/m/20220323173537.ll7klrglnp4gn2um@alap3.anarazel.de
Backpatch: 12-

src/backend/utils/misc/guc.c diff | blob | blame | history

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