pgsql: Improve comments for [Heap]CheckForSerializableConflictOut().

From: Thomas Munro <tmunro(at)postgresql(dot)org>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Improve comments for [Heap]CheckForSerializableConflictOut().
Date: 2020-06-11 23:01:26
Message-ID: E1jjWCM-0003c6-Hn@gemulon.postgresql.org
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Improve comments for [Heap]CheckForSerializableConflictOut().

Rewrite the documentation of these functions, in light of recent bug fix
commit 5940ffb2.

Back-patch to 13 where the check-for-conflict-out code was split up into
AM-specific and generic parts, and new documentation was added that now
looked wrong.

Reviewed-by: Peter Geoghegan <pg(at)bowt(dot)ie>
Discussion: https://postgr.es/m/db7b729d-0226-d162-a126-8a8ab2dc4443%40jepsen.io

Branch
------
REL_13_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/44eff28410598ef86d3d8bd812439aabf19f7ee0

Modified Files
--------------
src/backend/access/heap/heapam.c | 12 +++++-------
src/backend/storage/lmgr/predicate.c | 15 +++++++++------
2 files changed, 14 insertions(+), 13 deletions(-)

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