Simplify hash_xlog_split_allocate_page()

Peter Eisentraut <peter@eisentraut.org>

Commit: 35988b31db7767ba446009611b9928add1d40f98
Author: Peter Eisentraut <peter@eisentraut.org>
Date: 2025-12-02T08:18:54Z
Simplify hash_xlog_split_allocate_page()

Instead of complicated pointer arithmetic, overlay a uint32 array and
just access the array members.  That's safe thanks to
XLogRecGetBlockData() returning a MAXALIGNed buffer.

Reviewed-by: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>
Reviewed-by: Jacob Champion <jacob.champion@enterprisedb.com>
Discussion: https://www.postgresql.org/message-id/flat/aSQy2JawavlVlEB0%40ip-10-97-1-34.eu-west-3.compute.internal

Files

PathChange+/−
src/backend/access/hash/hash_xlog.c modified +17 −18

Discussion