pgsql: Avoid useless "x = ANY(ARRAY[])" test for empty partition list.

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Avoid useless "x = ANY(ARRAY[])" test for empty partition list.
Date: 2017-06-26 14:43:26
Message-ID: E1dPVEc-00013i-6D@gemulon.postgresql.org
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Avoid useless "x = ANY(ARRAY[])" test for empty partition list.

This arises in practice if the partition only admits NULL values.

Jeevan Ladhe

Discussion: https://postgr.es/m/CAOgcT0OChrN--uuqH6wG6Z8+nxnCWJ+2Q-uhnK4KOANdRRxuAw@mail.gmail.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/5efccc1cb43005a832776ed9158d2704fd976f8f

Modified Files
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src/backend/catalog/partition.c | 57 +++++++++++++++++++++++++++--------------
1 file changed, 38 insertions(+), 19 deletions(-)

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