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Add stratnum GiST support function

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This is support function 12 for the GiST AM and translates
"well-known" RT*StrategyNumber values into whatever strategy number is
used by the opclass (since no particular numbers are actually
required).  We will use this to support temporal PRIMARY
KEY/UNIQUE/FOREIGN KEY/FOR PORTION OF functionality.

This commit adds two implementations, one for internal GiST opclasses
(just an identity function) and another for btree_gist opclasses.  It
updates btree_gist from 1.7 to 1.8, adding the support function for
all its opclasses.

(previously committed as 6db4598fcb, reverted by 8aee330af55; this is
essentially unchanged from those)

Author: Paul A. Jungwirth <pj@illuminatedcomputing.com>
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Reviewed-by: jian he <jian.universality@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/CA+renyUApHgSZF9-nd-a0+OPGharLQLO=mDHcY4_qQ0+noCUVg@mail.gmail.com
This commit is contained in:
Peter Eisentraut
2024-09-17 10:19:26 +02:00
parent 95d6e9af07
commit 7406ab623f
17 changed files with 273 additions and 8 deletions
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6
contrib/btree_gist/Makefile
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@ -33,12 +33,14 @@ EXTENSION = btree_gist
DATA = btree_gist--1.0--1.1.sql \
btree_gist--1.1--1.2.sql btree_gist--1.2.sql btree_gist--1.2--1.3.sql \
btree_gist--1.3--1.4.sql btree_gist--1.4--1.5.sql \
btree_gist--1.5--1.6.sql btree_gist--1.6--1.7.sql
btree_gist--1.5--1.6.sql btree_gist--1.6--1.7.sql \
btree_gist--1.7--1.8.sql
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 partitions
bytea bit varbit numeric uuid not_equal enum bool partitions \
stratnum
SHLIB_LINK += $(filter -lm, $(LIBS))