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Tomas Vondra 0cf205e122 amcheck: Fix posting tree checks in gin_index_check() ... Fix two issues in parent_key validation in posting trees: * It's not enough to check stack->parentblk is valid to determine if the parentkey is valid. It's possible parentblk is set to a valid block number, but parentkey is invalid. So check parentkey directly. * We don't need to invalidate parentkey for all child pages of the rightmost page. It's enough to invalidate it for the rightmost child only, which means we can check more cases (less false negatives). Issues reported by Arseniy Mukhin, along with a proposed patch. Review by Andrey M. Borodin, cleanup and improvements by me. Author: Arseniy Mukhin <arseniy.mukhin.dev@gmail.com> Reviewed-by: Andrey M. Borodin <x4mmm@yandex-team.ru> Discussion: https://postgr.es/m/CAE7r3MJ611B9TE=YqBBncewp7-k64VWs+sjk7XF6fJUX77uFBA@mail.gmail.com		6 months ago
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001_verify_heapam.pl	Update copyright for 2025	12 months ago
002_cic.pl	amcheck: Add a GIN index to the CREATE INDEX CONCURRENTLY tests	9 months ago
003_cic_2pc.pl	amcheck: Add a GIN index to the CREATE INDEX CONCURRENTLY tests	9 months ago
004_verify_nbtree_unique.pl	Update copyright for 2025	12 months ago
005_pitr.pl	Update copyright for 2025	12 months ago
006_verify_gin.pl	amcheck: Fix posting tree checks in gin_index_check()	6 months ago