pgsql: Skip allocating hash table in EXPLAIN-only mode.

From: Heikki Linnakangas <heikki(dot)linnakangas(at)iki(dot)fi>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Skip allocating hash table in EXPLAIN-only mode.
Date: 2020-11-20 13:36:48
Message-ID: E1kg6am-0003rK-El@gemulon.postgresql.org
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Skip allocating hash table in EXPLAIN-only mode.

This is a backpatch of commit 2cccb627f1, backpatched due to popular
demand. Backpatch to all supported versions.

Author: Alexey Bashtanov
Discussion: https://www.postgresql.org/message-id/36823f65-050d-ae24-aa4d-a37726998240%40imap.cc

Branch
------
REL9_5_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/ded7db4c1dddcead3184b17619ddc5c203db42fe

Modified Files
--------------
src/backend/executor/nodeAgg.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

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