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postgres/contrib/amcheck
Heikki Linnakangas cbe04e5d72 Fix amcheck's handling of half-dead B-tree pages
amcheck incorrectly reported the following error if there were any
half-dead pages in the index:

ERROR:  mismatch between parent key and child high key in index
"amchecktest_id_idx"

It's expected that a half-dead page does not have a downlink in the
parent level, so skip the test.

Reported-by: Konstantin Knizhnik <knizhnik@garret.ru>
Reviewed-by: Peter Geoghegan <pg@bowt.ie>
Reviewed-by: Mihail Nikalayeu <mihailnikalayeu@gmail.com>
Discussion: https://www.postgresql.org/message-id/33e39552-6a2a-46f3-8b34-3f9f8004451f@garret.ru
Backpatch-through: 14
2025-12-02 21:11:15 +02:00
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