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From: Alexander Korotkov <akorotkov@postgresql.org>
To: pgsql-committers@lists.postgresql.org
Subject: pgsql: Handle equality operator in contrib/pg_trgm
Date: Sun, 15 Nov 2020 05:53:10 +0000
Message-ID: <E1keAyM-0000qd-Dy@gemulon.postgresql.org> (raw)

Handle equality operator in contrib/pg_trgm

Obviously, in order to equality operator be satisfiable, target string must
contain all the trigrams of the search string.  On this base, we implement
equality operator in GiST/GIN indexes with recheck.

Discussion: https://postgr.es/m/CAOBaU_YWwtT7tdggtROacjdOdeYHCz-tmSwuC-j-TOG-g97J0w%40mail.gmail.com
Author: Julien Rouhaud
Reviewed-by: Tom Lane, Alexander Korotkov, Georgios Kokolatos, Erik Rijkers

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/935f6666502250abde8615bc7805a6e5aa05a066

Modified Files
--------------
contrib/pg_trgm/Makefile              |   2 +-
contrib/pg_trgm/expected/pg_trgm.out  | 204 +++++++++++++++++++++++++++++++++-
contrib/pg_trgm/pg_trgm--1.5--1.6.sql |  10 ++
contrib/pg_trgm/pg_trgm.control       |   2 +-
contrib/pg_trgm/sql/pg_trgm.sql       |  40 +++++++
contrib/pg_trgm/trgm.h                |   1 +
contrib/pg_trgm/trgm_gin.c            |   3 +
contrib/pg_trgm/trgm_gist.c           |   4 +-
doc/src/sgml/pgtrgm.sgml              |   8 +-
9 files changed, 264 insertions(+), 10 deletions(-)



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