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| author | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2021-01-20 11:58:03 +0200 |
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| committer | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2021-01-20 11:58:25 +0200 |
| commit | b8403d140f4e7d753d21116c0fa79dc4ca5ca5cb (patch) | |
| tree | 664cedcb51870a7a144b52fe79b63ccff0ab7e7c /src/backend/access/gist/gistbuild.c | |
| parent | 31e0f9d76bb0196b92f6870a8e1e3e2a4e5e2b28 (diff) | |
| download | postgresql-b8403d140f4e7d753d21116c0fa79dc4ca5ca5cb.tar.gz postgresql-b8403d140f4e7d753d21116c0fa79dc4ca5ca5cb.zip | |
Fix bug in detecting concurrent page splits in GiST insert
In commit 9eb5607e699, I got the condition on checking for split or
deleted page wrong: I used && instead of ||. The comment correctly said
"concurrent split _or_ deletion".
As a result, GiST insertion could miss a concurrent split, and insert to
wrong page. Duncan Sands demonstrated this with a test script that did a
lot of concurrent inserts.
Backpatch to v12, where this was introduced. REINDEX is required to fix
indexes that were affected by this bug.
Backpatch-through: 12
Reported-by: Duncan Sands
Discussion: https://www.postgresql.org/message-id/a9690483-6c6c-3c82-c8ba-dc1a40848f11%40deepbluecap.com
Diffstat (limited to 'src/backend/access/gist/gistbuild.c')
0 files changed, 0 insertions, 0 deletions