postgresql/contrib/citext/citext--1.3--1.4.sql
Tom Lane f9d747a4e9 Support the new regexp_match() function for citext.
Emre Hasegeli

Patch: <CAE2gYzzF24ZHWqkMukkHwqa0otbES9Rex22LrjQUNbi=oKziNQ@mail.gmail.com>
2016-08-18 10:52:31 -04:00

13 lines
668 B
PL/PgSQL

/* contrib/citext/citext--1.3--1.4.sql */
-- complain if script is sourced in psql, rather than via ALTER EXTENSION
\echo Use "ALTER EXTENSION citext UPDATE TO '1.4'" to load this file. \quit
CREATE FUNCTION regexp_match( citext, citext ) RETURNS TEXT[] AS $$
SELECT pg_catalog.regexp_match( $1::pg_catalog.text, $2::pg_catalog.text, 'i' );
$$ LANGUAGE SQL IMMUTABLE STRICT PARALLEL SAFE;
CREATE FUNCTION regexp_match( citext, citext, text ) RETURNS TEXT[] AS $$
SELECT pg_catalog.regexp_match( $1::pg_catalog.text, $2::pg_catalog.text, CASE WHEN pg_catalog.strpos($3, 'c') = 0 THEN $3 || 'i' ELSE $3 END );
$$ LANGUAGE SQL IMMUTABLE STRICT PARALLEL SAFE;