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Use pg_memory_is_all_zeros() in pgstatfuncs.c.

Nathan Bossart <nathan@postgresql.org>

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Commit: e8d59294282bd01bc06f2af13c79b9155024a917
Author: Nathan Bossart <nathan@postgresql.org>
Date: 2024-12-11T20:19:14Z
Releases: 18.0 
Use pg_memory_is_all_zeros() in pgstatfuncs.c.

There are a few places in this file that use memset() and memcmp()
to determine whether a section of memory is all zeros.  This commit
modifies them to use pg_memory_is_all_zeros() instead.  These
aren't expected to be hot code paths, but this may optimize them a
bit.  Plus, this allows us to remove some variables that were only
needed for the memset() and memcmp().

Author: Bertrand Drouvot
Reviewed-by: Michael Paquier
Discussion: https://postgr.es/m/Z1hNubHfvMxlW6eu%40ip-10-97-1-34.eu-west-3.compute.internal

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PathChange+/−
src/backend/utils/adt/pgstatfuncs.c modified +6 −12

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