Thread: pgsql: Do not use in-place updates for statistics import.

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

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/f3dae2ae5856dec9935a51e53216400566ef8d4f

Modified Files
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src/backend/statistics/relation_stats.c    | 138 ++++++++++-------------------
src/test/regress/expected/stats_import.out |  53 -----------
src/test/regress/sql/stats_import.sql      |  33 -------
3 files changed, 47 insertions(+), 177 deletions(-)