/* contrib/btree_gist/btree_gist--1.3--1.4.sql */

-- complain if script is sourced in psql, rather than via ALTER EXTENSION
\echo Use "ALTER EXTENSION btree_gist UPDATE TO '1.4'" to load this file. \quit

-- Add support for indexing macaddr8 columns

-- define the GiST support methods
CREATE FUNCTION gbt_macad8_consistent(internal,macaddr8,int2,oid,internal)
RETURNS bool
AS 'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION gbt_macad8_compress(internal)
RETURNS internal
AS 'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION gbt_macad8_fetch(internal)
RETURNS internal
AS 'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION gbt_macad8_penalty(internal,internal,internal)
RETURNS internal
AS 'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION gbt_macad8_picksplit(internal, internal)
RETURNS internal
AS 'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION gbt_macad8_union(internal, internal)
RETURNS gbtreekey16
AS 'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION gbt_macad8_same(gbtreekey16, gbtreekey16, internal)
RETURNS internal
AS 'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE STRICT;

-- Create the operator class
CREATE OPERATOR CLASS gist_macaddr8_ops
DEFAULT FOR TYPE macaddr8 USING gist
AS
	OPERATOR	1	< ,
	OPERATOR	2	<= ,
	OPERATOR	3	= ,
	OPERATOR	4	>= ,
	OPERATOR	5	> ,
	FUNCTION	1	gbt_macad8_consistent (internal, macaddr8, int2, oid, internal),
	FUNCTION	2	gbt_macad8_union (internal, internal),
	FUNCTION	3	gbt_macad8_compress (internal),
	FUNCTION	4	gbt_decompress (internal),
	FUNCTION	5	gbt_macad8_penalty (internal, internal, internal),
	FUNCTION	6	gbt_macad8_picksplit (internal, internal),
	FUNCTION	7	gbt_macad8_same (gbtreekey16, gbtreekey16, internal),
	STORAGE		gbtreekey16;

ALTER OPERATOR FAMILY gist_macaddr8_ops USING gist ADD
	OPERATOR	6	<> (macaddr8, macaddr8) ,
	FUNCTION	9 (macaddr8, macaddr8) gbt_macad8_fetch (internal);