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Add callback for backend initialization in pgstats

author Michael Paquier <michael@paquier.xyz>

Thu, 5 Sep 2024 07:05:21 +0000 (16:05 +0900)

committer Michael Paquier <michael@paquier.xyz>

Thu, 5 Sep 2024 07:05:21 +0000 (16:05 +0900)

commit 1b373aed20e61e4a3033e1e396e4ba7c2a96bc20

tree 6d2311110471eb4adb465a6d92c59dc02081204d tree

parent 341e9a05e7b4c4fb2a1e539a5073dfd0e5b46735 commit | diff

Add callback for backend initialization in pgstats

pgstat_initialize() is currently used by the WAL stats as a code path to
take some custom actions when a backend starts. A callback is added to
generalize the concept so as all stats kinds can do the same, for
builtin and custom kinds, if set.

Reviewed-by: Bertrand Drouvot, Kyotaro Horiguchi
Discussion: https://postgr.es/m/ZtZr1K4PLdeWclXY@paquier.xyz

src/backend/utils/activity/pgstat.c diff | blob | blame | history

src/backend/utils/activity/pgstat_wal.c diff | blob | blame | history

src/include/utils/pgstat_internal.h diff | blob | blame | history

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