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

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

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

Jeevan Ladhe

Discussion: /messages/by-id/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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