pgsql: Fixes for Disk-based Hash Aggregation.

From: Jeff Davis <jdavis(at)postgresql(dot)org>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Fixes for Disk-based Hash Aggregation.
Date: 2020-03-23 22:45:04
Message-ID: E1jGVoe-0002JB-PB@gemulon.postgresql.org
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Fixes for Disk-based Hash Aggregation.

Justin Pryzby raised a couple issues with commit 1f39bce0. Fixed.

Also, tweak the way the size of a hash entry is estimated and the
number of buckets is estimated when calling BuildTupleHashTableExt().

Discussion: https://www.postgresql.org/message-id/20200319064222.GR26184@telsasoft.com

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/64fe6022790920ef6edee475bfa162a961f148d8

Modified Files
--------------
src/backend/commands/explain.c | 2 +-
src/backend/executor/nodeAgg.c | 19 +++++++------------
2 files changed, 8 insertions(+), 13 deletions(-)

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