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
Branch
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REL9_5_STABLE
Details
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https://git.postgresql.org/pg/commitdiff/4fc4856849deb51c8d8822d79b6f10d571dab4f6
Modified Files
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src/backend/access/gin/ginbtree.c | 7 -------
src/backend/access/gin/gindatapage.c | 3 +++
src/backend/access/gin/ginvacuum.c | 2 +-
src/backend/access/gin/ginxlog.c | 2 +-
4 files changed, 5 insertions(+), 9 deletions(-)
