Horton

Do not use in-place updates for statistics import.

Jeff Davis <jdavis@postgresql.org>

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Commit: f3dae2ae5856dec9935a51e53216400566ef8d4f
Author: Jeff Davis <jdavis@postgresql.org>
Date: 2025-02-25T01:10:59Z
Releases: 18.0 
Do not use in-place updates for statistics import.

The use of in-place updates was originally there to follow the
precedent of ANALYZE and to reduce the potential for bloat on
pg_class. Per discussion, it's not worth the risks.

Reported-by: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/cpdanvzykcb5o64rmapkx6n5gjypoce3y52hff7ocxupgpbxu4@53jmlyvukijo

Files

PathChange+/−
src/backend/statistics/relation_stats.c modified +47 −91
src/test/regress/expected/stats_import.out modified +0 −53
src/test/regress/sql/stats_import.sql modified +0 −33

Discussion