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| author | Peter Eisentraut <peter@eisentraut.org> | 2024-01-19 15:41:44 +0100 |
|---|---|---|
| committer | Peter Eisentraut <peter@eisentraut.org> | 2024-01-19 15:42:13 +0100 |
| commit | 6db4598fcb82a87a683c4572707e522504830a2b (patch) | |
| tree | 0a1b90ad4c3919e95cc72ba9a6754c6e39a8ef9d /src/backend/access/gist/gistxlog.c | |
| parent | b725b7eec431f7394d63abe621170efe3fcdcda4 (diff) | |
| download | postgresql-6db4598fcb82a87a683c4572707e522504830a2b.tar.gz postgresql-6db4598fcb82a87a683c4572707e522504830a2b.zip | |
Add stratnum GiST support function
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.
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
Diffstat (limited to 'src/backend/access/gist/gistxlog.c')
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