postgresql/contrib/intarray/intarray--1.0--1.1.sql
Heikki Linnakangas c6fbe6d6fb Add selectivity estimation functions for intarray operators.
Uriy Zhuravlev and Alexander Korotkov, reviewed by Jeff Janes, some cleanup
by me.
2015-07-21 20:59:24 +03:00

50 lines
1.8 KiB
SQL

/* contrib/intarray/intarray--1.0--1.1.sql */
-- complain if script is sourced in psql, rather than via CREATE EXTENSION
\echo Use "ALTER EXTENSION intarray UPDATE TO '1.1'" to load this file. \quit
CREATE FUNCTION _int_matchsel(internal, oid, internal, integer)
RETURNS float8
AS 'MODULE_PATHNAME'
LANGUAGE C STRICT STABLE;
ALTER OPERATOR @@ (_int4, query_int) SET (RESTRICT = _int_matchsel);
ALTER OPERATOR ~~ (query_int, _int4) SET (RESTRICT = _int_matchsel);
CREATE FUNCTION _int_overlap_sel(internal, oid, internal, integer)
RETURNS float8
AS 'MODULE_PATHNAME'
LANGUAGE C STRICT STABLE;
CREATE FUNCTION _int_contains_sel(internal, oid, internal, integer)
RETURNS float8
AS 'MODULE_PATHNAME'
LANGUAGE C STRICT STABLE;
CREATE FUNCTION _int_contained_sel(internal, oid, internal, integer)
RETURNS float8
AS 'MODULE_PATHNAME'
LANGUAGE C STRICT STABLE;
CREATE FUNCTION _int_overlap_joinsel(internal, oid, internal, smallint, internal)
RETURNS float8
AS 'MODULE_PATHNAME'
LANGUAGE C STRICT STABLE;
CREATE FUNCTION _int_contains_joinsel(internal, oid, internal, smallint, internal)
RETURNS float8
AS 'MODULE_PATHNAME'
LANGUAGE C STRICT STABLE;
CREATE FUNCTION _int_contained_joinsel(internal, oid, internal, smallint, internal)
RETURNS float8
AS 'MODULE_PATHNAME'
LANGUAGE C STRICT STABLE;
ALTER OPERATOR && (_int4, _int4) SET (RESTRICT = _int_overlap_sel, JOIN = _int_overlap_joinsel);
ALTER OPERATOR @> (_int4, _int4) SET (RESTRICT = _int_contains_sel, JOIN = _int_contains_joinsel);
ALTER OPERATOR <@ (_int4, _int4) SET (RESTRICT = _int_contained_sel, JOIN = _int_contained_joinsel);
ALTER OPERATOR @ (_int4, _int4) SET (RESTRICT = _int_contains_sel, JOIN = _int_contains_joinsel);
ALTER OPERATOR ~ (_int4, _int4) SET (RESTRICT = _int_contained_sel, JOIN = _int_contained_joinsel);