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authorAlexander Korotkov <akorotkov@postgresql.org>2024-01-09 00:08:35 +0200
committerAlexander Korotkov <akorotkov@postgresql.org>2024-01-09 00:09:06 +0200
commit30b4955a4668887044568743debef804b14418ca (patch)
tree9f50aaf37ede4ff7a7711148b0b5f12cf6ce0957 /src/backend/access/gist/gistvalidate.c
parentd3c5f37dd543498cc7c678815d3921823beec9e9 (diff)
downloadpostgresql-30b4955a4668887044568743debef804b14418ca.tar.gz
postgresql-30b4955a4668887044568743debef804b14418ca.zip
Fix misuse of RelOptInfo.unique_for_rels cache by SJE
When SJE uses RelOptInfo.unique_for_rels cache, it passes filtered quals to innerrel_is_unique_ext(). That might lead to an invalid match to cache entries made by previous non self-join checking calls. Add UniqueRelInfo.self_join flag to prevent such cases. Also, fix that SJE should require a strict match of outerrelids to make sure UniqueRelInfo.extra_clauses are valid. Reported-by: Alexander Lakhin Discussion: https://postgr.es/m/4788f781-31bd-9796-d7d6-588a751c8787%40gmail.com
Diffstat (limited to 'src/backend/access/gist/gistvalidate.c')
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