pgsql: Get heap page max offset with buffer lock held.

From: Peter Geoghegan <pg(at)bowt(dot)ie>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Get heap page max offset with buffer lock held.
Date: 2020-12-31 01:22:01
Message-ID: E1kumfB-0006mS-1X@gemulon.postgresql.org
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Get heap page max offset with buffer lock held.

On further reflection it seems better to call PageGetMaxOffsetNumber()
after acquiring a buffer lock on the page. This shouldn't really
matter, but doing it this way is cleaner.

Follow-up to commit 42288174.

Backpatch: 12-, just like commit 42288174

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/32d6287d2eef6b6a4dde07e0513f3e4f321792ad

Modified Files
--------------
src/backend/access/heap/heapam.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

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