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SET search_path = public;
BEGIN;
CREATE FUNCTION hstore_in(cstring)
RETURNS hstore
AS 'MODULE_PATHNAME'
LANGUAGE 'C' with (isstrict);
CREATE FUNCTION hstore_out(hstore)
RETURNS cstring
AS 'MODULE_PATHNAME'
LANGUAGE 'C' with (isstrict);
CREATE TYPE hstore (
INTERNALLENGTH = -1,
INPUT = hstore_in,
OUTPUT = hstore_out,
STORAGE = extended
);
CREATE FUNCTION fetchval(hstore,text)
RETURNS text
AS 'MODULE_PATHNAME'
LANGUAGE 'C' with (isstrict,iscachable);
CREATE OPERATOR -> (
LEFTARG = hstore,
RIGHTARG = text,
PROCEDURE = fetchval
);
CREATE FUNCTION isexists(hstore,text)
RETURNS bool
AS 'MODULE_PATHNAME','exists'
LANGUAGE 'C' with (isstrict,iscachable);
CREATE FUNCTION isdefined(hstore,text)
RETURNS bool
AS 'MODULE_PATHNAME','defined'
LANGUAGE 'C' with (isstrict,iscachable);
CREATE FUNCTION delete(hstore,text)
RETURNS hstore
AS 'MODULE_PATHNAME','delete'
LANGUAGE 'C' with (isstrict,iscachable);
CREATE FUNCTION hs_concat(hstore,hstore)
RETURNS hstore
AS 'MODULE_PATHNAME'
LANGUAGE 'C' with (isstrict,iscachable);
CREATE OPERATOR || (
LEFTARG = hstore,
RIGHTARG = hstore,
PROCEDURE = hs_concat
);
CREATE FUNCTION hs_contains(hstore,hstore)
RETURNS bool
AS 'MODULE_PATHNAME'
LANGUAGE 'C' with (isstrict,iscachable);
CREATE FUNCTION hs_contained(hstore,hstore)
RETURNS bool
AS 'MODULE_PATHNAME'
LANGUAGE 'C' with (isstrict,iscachable);
CREATE OPERATOR @> (
LEFTARG = hstore,
RIGHTARG = hstore,
PROCEDURE = hs_contains,
COMMUTATOR = '<@',
RESTRICT = contsel,
JOIN = contjoinsel
);
CREATE OPERATOR <@ (
LEFTARG = hstore,
RIGHTARG = hstore,
PROCEDURE = hs_contained,
COMMUTATOR = '@>',
RESTRICT = contsel,
JOIN = contjoinsel
);
-- obsolete:
CREATE OPERATOR @ (
LEFTARG = hstore,
RIGHTARG = hstore,
PROCEDURE = hs_contains,
COMMUTATOR = '~',
RESTRICT = contsel,
JOIN = contjoinsel
);
CREATE OPERATOR ~ (
LEFTARG = hstore,
RIGHTARG = hstore,
PROCEDURE = hs_contained,
COMMUTATOR = '@',
RESTRICT = contsel,
JOIN = contjoinsel
);
CREATE FUNCTION tconvert(text,text)
RETURNS hstore
AS 'MODULE_PATHNAME'
LANGUAGE 'C' with (isstrict,iscachable);
CREATE OPERATOR => (
LEFTARG = text,
RIGHTARG = text,
PROCEDURE = tconvert
);
CREATE FUNCTION akeys(hstore)
RETURNS _text
AS 'MODULE_PATHNAME'
LANGUAGE 'C' with (isstrict,iscachable);
CREATE FUNCTION avals(hstore)
RETURNS _text
AS 'MODULE_PATHNAME'
LANGUAGE 'C' with (isstrict,iscachable);
CREATE FUNCTION skeys(hstore)
RETURNS setof text
AS 'MODULE_PATHNAME'
LANGUAGE 'C' with (isstrict,iscachable);
CREATE FUNCTION svals(hstore)
RETURNS setof text
AS 'MODULE_PATHNAME'
LANGUAGE 'C' with (isstrict,iscachable);
create type hs_each as (key text, value text);
CREATE FUNCTION each(hstore)
RETURNS setof hs_each
AS 'MODULE_PATHNAME'
LANGUAGE 'C' with (isstrict,iscachable);
-- define the GiST support methods
CREATE FUNCTION ghstore_in(cstring)
RETURNS ghstore
AS 'MODULE_PATHNAME'
LANGUAGE 'C' with (isstrict);
CREATE FUNCTION ghstore_out(ghstore)
RETURNS cstring
AS 'MODULE_PATHNAME'
LANGUAGE 'C' with (isstrict);
CREATE TYPE ghstore (
INTERNALLENGTH = -1,
INPUT = ghstore_in,
OUTPUT = ghstore_out
);
CREATE FUNCTION ghstore_compress(internal)
RETURNS internal
AS 'MODULE_PATHNAME'
LANGUAGE 'C';
CREATE FUNCTION ghstore_decompress(internal)
RETURNS internal
AS 'MODULE_PATHNAME'
LANGUAGE 'C';
CREATE FUNCTION ghstore_penalty(internal,internal,internal)
RETURNS internal
AS 'MODULE_PATHNAME'
LANGUAGE 'C' WITH (isstrict);
CREATE FUNCTION ghstore_picksplit(internal, internal)
RETURNS internal
AS 'MODULE_PATHNAME'
LANGUAGE 'C';
CREATE FUNCTION ghstore_union(internal, internal)
RETURNS internal
AS 'MODULE_PATHNAME'
LANGUAGE 'C';
CREATE FUNCTION ghstore_same(internal, internal, internal)
RETURNS internal
AS 'MODULE_PATHNAME'
LANGUAGE 'C';
CREATE FUNCTION ghstore_consistent(internal,internal,int4)
RETURNS bool
AS 'MODULE_PATHNAME'
LANGUAGE 'C';
-- register the opclass for indexing (not as default)
CREATE OPERATOR CLASS gist_hstore_ops
DEFAULT FOR TYPE hstore USING gist
AS
OPERATOR 7 @> RECHECK,
--OPERATOR 8 <@ RECHECK,
OPERATOR 13 @ RECHECK,
--OPERATOR 14 ~ RECHECK,
FUNCTION 1 ghstore_consistent (internal, internal, int4),
FUNCTION 2 ghstore_union (internal, internal),
FUNCTION 3 ghstore_compress (internal),
FUNCTION 4 ghstore_decompress (internal),
FUNCTION 5 ghstore_penalty (internal, internal, internal),
FUNCTION 6 ghstore_picksplit (internal, internal),
FUNCTION 7 ghstore_same (internal, internal, internal),
STORAGE ghstore;
END;
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