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Avoid unnecessary shared invalidations in ROLLBACK PREPARED

author Michael Paquier <michael@paquier.xyz>

2021年8月12日 11:12:47 +0000 (20:12 +0900)

committer Michael Paquier <michael@paquier.xyz>

2021年8月12日 11:12:47 +0000 (20:12 +0900)

commit 710796f0542180cca18ee93889da692df642bdf2

tree 242a175047a7df55c02b0ebe347915b486d9f8d1 tree

parent c3928b467a4f0ed2b0ef21a33848e9fcdade37b4 commit | diff

Avoid unnecessary shared invalidations in ROLLBACK PREPARED

The performance gain is minimal, but this makes the logic more
consistent with AtEOXact_Inval(). No other invalidation is needed in
this case as PREPARE takes already care of sending any local ones.

Author: Liu Huailing
Reviewed-by: Tom Lane, Michael Paquier
Discussion: https://postgr.es/m/OSZPR01MB6215AA84D71EF2B3D354CF86BE139@OSZPR01MB6215.jpnprd01.prod.outlook.com

src/backend/access/transam/twophase.c diff | blob | blame | history

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