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-- Create the user-defined type for the 1-D integer arrays (_int4)
--
BEGIN TRANSACTION;
-- Adjust this setting to control where the operators, functions, and
-- opclasses get created.
SET search_path = public;
-- Query type
CREATE FUNCTION bqarr_in(opaque)
RETURNS opaque
AS 'MODULE_PATHNAME'
LANGUAGE 'c' with (isstrict);
CREATE FUNCTION bqarr_out(opaque)
RETURNS opaque
AS 'MODULE_PATHNAME'
LANGUAGE 'c' with (isstrict);
CREATE TYPE query_int (
internallength = -1,
input = bqarr_in,
output = bqarr_out
);
--only for debug
CREATE FUNCTION querytree(query_int)
RETURNS text
AS 'MODULE_PATHNAME'
LANGUAGE 'c' with (isstrict);
CREATE FUNCTION boolop(_int4, query_int) RETURNS bool
AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
COMMENT ON FUNCTION boolop(_int4, query_int) IS 'boolean operation with array';
CREATE FUNCTION rboolop(query_int, _int4) RETURNS bool
AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
COMMENT ON FUNCTION rboolop(query_int, _int4) IS 'boolean operation with array';
CREATE OPERATOR @@ (
LEFTARG = _int4, RIGHTARG = query_int, PROCEDURE = boolop,
COMMUTATOR = '~~', RESTRICT = contsel, JOIN = contjoinsel
);
CREATE OPERATOR ~~ (
LEFTARG = query_int, RIGHTARG = _int4, PROCEDURE = rboolop,
COMMUTATOR = '@@', RESTRICT = contsel, JOIN = contjoinsel
);
--
-- External C-functions for R-tree methods
--
-- Comparison methods
CREATE FUNCTION _int_contains(_int4, _int4) RETURNS bool
AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
COMMENT ON FUNCTION _int_contains(_int4, _int4) IS 'contains';
CREATE FUNCTION _int_contained(_int4, _int4) RETURNS bool
AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
COMMENT ON FUNCTION _int_contained(_int4, _int4) IS 'contained in';
CREATE FUNCTION _int_overlap(_int4, _int4) RETURNS bool
AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
COMMENT ON FUNCTION _int_overlap(_int4, _int4) IS 'overlaps';
CREATE FUNCTION _int_same(_int4, _int4) RETURNS bool
AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
COMMENT ON FUNCTION _int_same(_int4, _int4) IS 'same as';
CREATE FUNCTION _int_different(_int4, _int4) RETURNS bool
AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
COMMENT ON FUNCTION _int_different(_int4, _int4) IS 'different';
-- support routines for indexing
CREATE FUNCTION _int_union(_int4, _int4) RETURNS _int4
AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
CREATE FUNCTION _int_inter(_int4, _int4) RETURNS _int4
AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
--
-- OPERATORS
--
CREATE OPERATOR && (
LEFTARG = _int4, RIGHTARG = _int4, PROCEDURE = _int_overlap,
COMMUTATOR = '&&',
RESTRICT = contsel, JOIN = contjoinsel
);
--CREATE OPERATOR = (
-- LEFTARG = _int4, RIGHTARG = _int4, PROCEDURE = _int_same,
-- COMMUTATOR = '=', NEGATOR = '<>',
-- RESTRICT = eqsel, JOIN = eqjoinsel,
-- SORT1 = '<', SORT2 = '<'
--);
CREATE OPERATOR <> (
LEFTARG = _int4, RIGHTARG = _int4, PROCEDURE = _int_different,
COMMUTATOR = '<>', NEGATOR = '=',
RESTRICT = neqsel, JOIN = neqjoinsel
);
CREATE OPERATOR @ (
LEFTARG = _int4, RIGHTARG = _int4, PROCEDURE = _int_contains,
COMMUTATOR = '~', RESTRICT = contsel, JOIN = contjoinsel
);
CREATE OPERATOR ~ (
LEFTARG = _int4, RIGHTARG = _int4, PROCEDURE = _int_contained,
COMMUTATOR = '@', RESTRICT = contsel, JOIN = contjoinsel
);
-- define the GiST support methods
CREATE FUNCTION g_int_consistent(opaque,_int4,int4) RETURNS bool
AS 'MODULE_PATHNAME' LANGUAGE 'c';
CREATE FUNCTION g_int_compress(opaque) RETURNS opaque
AS 'MODULE_PATHNAME' LANGUAGE 'c';
CREATE FUNCTION g_int_decompress(opaque) RETURNS opaque
AS 'MODULE_PATHNAME' LANGUAGE 'c';
CREATE FUNCTION g_int_penalty(opaque,opaque,opaque) RETURNS opaque
AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
CREATE FUNCTION g_int_picksplit(opaque, opaque) RETURNS opaque
AS 'MODULE_PATHNAME' LANGUAGE 'c';
CREATE FUNCTION g_int_union(bytea, opaque) RETURNS _int4
AS 'MODULE_PATHNAME' LANGUAGE 'c';
CREATE FUNCTION g_int_same(_int4, _int4, opaque) RETURNS opaque
AS 'MODULE_PATHNAME' LANGUAGE 'c';
-- Create the operator class for indexing
CREATE OPERATOR CLASS gist__int_ops
DEFAULT FOR TYPE _int4 USING gist AS
OPERATOR 3 &&,
OPERATOR 6 = RECHECK,
OPERATOR 7 @,
OPERATOR 8 ~,
OPERATOR 20 @@ (_int4, query_int),
FUNCTION 1 g_int_consistent (opaque, _int4, int4),
FUNCTION 2 g_int_union (bytea, opaque),
FUNCTION 3 g_int_compress (opaque),
FUNCTION 4 g_int_decompress (opaque),
FUNCTION 5 g_int_penalty (opaque, opaque, opaque),
FUNCTION 6 g_int_picksplit (opaque, opaque),
FUNCTION 7 g_int_same (_int4, _int4, opaque);
---------------------------------------------
-- intbig
---------------------------------------------
-- define the GiST support methods
CREATE FUNCTION g_intbig_consistent(opaque,_int4,int4) RETURNS bool
AS 'MODULE_PATHNAME' LANGUAGE 'c';
CREATE FUNCTION g_intbig_compress(opaque) RETURNS opaque
AS 'MODULE_PATHNAME' LANGUAGE 'c';
CREATE FUNCTION g_intbig_decompress(opaque) RETURNS opaque
AS 'MODULE_PATHNAME' LANGUAGE 'c';
CREATE FUNCTION g_intbig_penalty(opaque,opaque,opaque) RETURNS opaque
AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
CREATE FUNCTION g_intbig_picksplit(opaque, opaque) RETURNS opaque
AS 'MODULE_PATHNAME' LANGUAGE 'c';
CREATE FUNCTION g_intbig_union(bytea, opaque) RETURNS _int4
AS 'MODULE_PATHNAME' LANGUAGE 'c';
CREATE FUNCTION g_intbig_same(_int4, _int4, opaque) RETURNS opaque
AS 'MODULE_PATHNAME' LANGUAGE 'c';
-- register the opclass for indexing (not as default)
CREATE OPERATOR CLASS gist__intbig_ops
FOR TYPE _int4 USING gist AS
OPERATOR 3 && RECHECK,
OPERATOR 6 = RECHECK,
OPERATOR 7 @ RECHECK,
OPERATOR 8 ~ RECHECK,
OPERATOR 20 @@ (_int4, query_int) RECHECK,
FUNCTION 1 g_intbig_consistent (opaque, _int4, int4),
FUNCTION 2 g_intbig_union (bytea, opaque),
FUNCTION 3 g_intbig_compress (opaque),
FUNCTION 4 g_intbig_decompress (opaque),
FUNCTION 5 g_intbig_penalty (opaque, opaque, opaque),
FUNCTION 6 g_intbig_picksplit (opaque, opaque),
FUNCTION 7 g_intbig_same (_int4, _int4, opaque);
END TRANSACTION;
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