/* contrib/btree_gist/btree_gist--1.4--1.5.sql */

-- complain if script is sourced in psql, rather than via CREATE EXTENSION

\echo Use "ALTER EXTENSION btree_gist UPDATE TO '1.5'" to load this file. \quit

--

--

--

-- enum ops

--

--

--

-- define the GiST support methods

CREATE FUNCTION gbt_enum_consistent(internal,anyenum,int2,oid,internal)

RETURNS bool

AS 'MODULE_PATHNAME'

LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION gbt_enum_compress(internal)

RETURNS internal

AS 'MODULE_PATHNAME'

LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION gbt_enum_fetch(internal)

RETURNS internal

AS 'MODULE_PATHNAME'

LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION gbt_enum_penalty(internal,internal,internal)

RETURNS internal

AS 'MODULE_PATHNAME'

LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION gbt_enum_picksplit(internal, internal)

RETURNS internal

AS 'MODULE_PATHNAME'

LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION gbt_enum_union(internal, internal)

RETURNS gbtreekey8

AS 'MODULE_PATHNAME'

LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION gbt_enum_same(gbtreekey8, gbtreekey8, internal)

RETURNS internal

AS 'MODULE_PATHNAME'

LANGUAGE C IMMUTABLE STRICT;

-- Create the operator class

CREATE OPERATOR CLASS gist_enum_ops

DEFAULT FOR TYPE anyenum USING gist

AS

OPERATOR 1 < ,

OPERATOR 2 <= ,

OPERATOR 3 = ,

OPERATOR 4 >= ,

OPERATOR 5 > ,

FUNCTION 1 gbt_enum_consistent (internal, anyenum, int2, oid, internal),

FUNCTION 2 gbt_enum_union (internal, internal),

FUNCTION 3 gbt_enum_compress (internal),

FUNCTION 4 gbt_decompress (internal),

FUNCTION 5 gbt_enum_penalty (internal, internal, internal),

FUNCTION 6 gbt_enum_picksplit (internal, internal),

FUNCTION 7 gbt_enum_same (gbtreekey8, gbtreekey8, internal),

STORAGE gbtreekey8;

ALTER OPERATOR FAMILY gist_enum_ops USING gist ADD

OPERATOR 6 <> (anyenum, anyenum) ,

FUNCTION 9 (anyenum, anyenum) gbt_enum_fetch (internal) ;