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Fix traversing to the deleted GIN page via downlink

author Alexander Korotkov <akorotkov@postgresql.org>

2019年11月19日 20:08:14 +0000 (23:08 +0300)

committer Alexander Korotkov <akorotkov@postgresql.org>

2019年11月19日 21:05:01 +0000 (00:05 +0300)

commit ee437ca7408b67f2b785e4221c7e567aecf68b47

tree db3158ff2f095828060f06cf506dc6ba9f315246 tree

parent 051c50c01c32ceb498d53e78f48297713744b7cb commit | diff

Fix traversing to the deleted GIN page via downlink

Current GIN code appears to don't handle traversing to the deleted page via
downlink. This commit fixes that by stepping right from the delete page like
we do in nbtree.

This commit also fixes setting 'deleted' flag to the GIN pages. Now other page
flags are not erased once page is deleted. That helps to keep our assertions
true if we arrive deleted page via downlink.

Discussion: https://postgr.es/m/CAPpHfdvMvsw-NcE5bRS7R1BbvA4BxoDnVVjkXC5W0Czvy9LVrg%40mail.gmail.com
Author: Alexander Korotkov
Reviewed-by: Peter Geoghegan
Backpatch-through: 9.4

src/backend/access/gin/ginbtree.c diff | blob | blame | history

src/backend/access/gin/gindatapage.c diff | blob | blame | history

src/backend/access/gin/ginvacuum.c diff | blob | blame | history

src/backend/access/gin/ginxlog.c diff | blob | blame | history

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