Postgres Pro
Downloads
Home   >   mailing lists

pgsql: Revert "Use CP_SMALL_TLIST for hash aggregate" - Mailing list pgsql-committers

From Jeff Davis
Subject pgsql: Revert "Use CP_SMALL_TLIST for hash aggregate"
Date
Msg-id E1jurj2-0003qr-18@gemulon.postgresql.org
Whole thread Raw
List pgsql-committers
Tree view 
Revert "Use CP_SMALL_TLIST for hash aggregate"

This reverts commit 4cad2534da6d17067d98cf04be2dfc1bda8f2cd0 due to a
performance regression. It will be replaced by a new approach in an
upcoming commit.

Reported-by: Andres Freund
Discussion: https://postgr.es/m/20200614181418.mx4bvljmfkkhoqzl@alap3.anarazel.de
Backpatch-through: 13

Branch
------
REL_13_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/926ecf83c0bab7e985eaf5727bb69cdf8ce6b067

Modified Files
--------------
contrib/postgres_fdw/expected/postgres_fdw.out |  4 ++--
src/backend/optimizer/plan/createplan.c        | 28 ++++----------------------
2 files changed, 6 insertions(+), 26 deletions(-)

pgsql-committers by date:

Previous
From: Jeff Davis
Date:
Subject: pgsql: HashAgg: before spilling tuples, set unneeded columns to NULL.
Next
From: Alexander Korotkov
Date:
Subject: pgsql: Improvements to psql \dAo and \dAp commands