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Allow some exclusion constraints on partitions

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Previously we only allowed unique B-tree constraints on partitions
(and only if the constraint included all the partition keys).  But we
could allow exclusion constraints with the same restriction.  We also
require that those columns be compared for equality, not something
like &&.

Author: Paul A. Jungwirth <pj@illuminatedcomputing.com>
Reviewed-by: Ronan Dunklau <ronan.dunklau@aiven.io>
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Discussion: https://www.postgresql.org/message-id/flat/ec8b1d9b-502e-d1f8-e909-1bf9dffe6fa5@illuminatedcomputing.com
This commit is contained in:
Peter Eisentraut
2023-07-12 09:24:43 +02:00
parent ce0b0fa3e7
commit 8c852ba9a4
13 changed files with 284 additions and 73 deletions
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contrib/btree_gist/Makefile
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@ -38,7 +38,7 @@ PGFILEDESC = "btree_gist - B-tree equivalent GiST operator classes"
REGRESS = init int2 int4 int8 float4 float8 cash oid timestamp timestamptz \
time timetz date interval macaddr macaddr8 inet cidr text varchar char \
bytea bit varbit numeric uuid not_equal enum bool
bytea bit varbit numeric uuid not_equal enum bool partitions
SHLIB_LINK += $(filter -lm, $(LIBS))