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Add cross-type comparisons to contrib/btree_gin.

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Extend the infrastructure in btree_gin.c to permit cross-type
operators, and add the code to support them for the int2, int4,
and int8 opclasses.  (To keep this patch digestible, I left
the other datatypes for a separate patch.)  This improves the
usability of btree_gin indexes by allowing them to support the
same set of queries that a regular btree index does.

Author: Tom Lane <tgl@sss.pgh.pa.us>
Reviewed-by: Arseniy Mukhin <arseniy.mukhin.dev@gmail.com>
Discussion: https://postgr.es/m/262624.1738460652@sss.pgh.pa.us
This commit is contained in:
Tom Lane
2025-07-03 16:24:31 -04:00
parent 0059bbe1ec
commit e2b64fcef3
13 changed files with 932 additions and 86 deletions
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2
contrib/btree_gin/btree_gin.control
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@@ -1,6 +1,6 @@
# btree_gin extension
comment = 'support for indexing common datatypes in GIN'
default_version = '1.3'
default_version = '1.4'
module_pathname = '$libdir/btree_gin'
relocatable = true
trusted = true