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BEGIN TRANSACTION;
-- Adjust this setting to control where the objects get created.
SET search_path = public;
-- TXTIDX type
CREATE FUNCTION txtidx_in(opaque)
RETURNS opaque
AS 'MODULE_PATHNAME'
LANGUAGE 'c' with (isstrict);
CREATE FUNCTION txtidx_out(opaque)
RETURNS opaque
AS 'MODULE_PATHNAME'
LANGUAGE 'c' with (isstrict);
CREATE TYPE txtidx (
internallength = -1,
input = txtidx_in,
output = txtidx_out,
storage = extended
);
CREATE FUNCTION txt2txtidx(text)
RETURNS txtidx
AS 'MODULE_PATHNAME'
LANGUAGE 'c' with (isstrict);
CREATE FUNCTION txtidxsize(txtidx)
RETURNS int4
AS 'MODULE_PATHNAME'
LANGUAGE 'c' with (isstrict);
--QUERYTYPES
--without morphology
CREATE FUNCTION qtxt_in(opaque)
RETURNS opaque
AS 'MODULE_PATHNAME'
LANGUAGE 'c' with (isstrict);
CREATE FUNCTION qtxt_out(opaque)
RETURNS opaque
AS 'MODULE_PATHNAME'
LANGUAGE 'c' with (isstrict);
CREATE TYPE query_txt (
internallength = -1,
input = qtxt_in,
output = qtxt_out
);
--with morphology
CREATE FUNCTION mqtxt_in(opaque)
RETURNS opaque
AS 'MODULE_PATHNAME'
LANGUAGE 'c' with (isstrict);
CREATE TYPE mquery_txt (
internallength = -1,
input = mqtxt_in,
output = qtxt_out
);
--only for debug
CREATE FUNCTION querytree(query_txt)
RETURNS text
AS 'MODULE_PATHNAME'
LANGUAGE 'c' with (isstrict);
CREATE FUNCTION querytree(mquery_txt)
RETURNS text
AS 'MODULE_PATHNAME'
LANGUAGE 'c' with (isstrict);
--operations
CREATE FUNCTION execqtxt(txtidx, query_txt) RETURNS bool
AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
COMMENT ON FUNCTION execqtxt(txtidx, query_txt) IS 'boolean operation with text index';
CREATE FUNCTION execqtxt(txtidx, mquery_txt) RETURNS bool
AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
COMMENT ON FUNCTION execqtxt(txtidx, mquery_txt) IS 'boolean operation with text index';
CREATE FUNCTION rexecqtxt(query_txt, txtidx) RETURNS bool
AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
COMMENT ON FUNCTION rexecqtxt(query_txt, txtidx) IS 'boolean operation with text index';
CREATE FUNCTION rexecqtxt(mquery_txt, txtidx) RETURNS bool
AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
COMMENT ON FUNCTION rexecqtxt(mquery_txt, txtidx) IS 'boolean operation with text index';
CREATE OPERATOR @@ (
LEFTARG = txtidx, RIGHTARG = query_txt, PROCEDURE = execqtxt,
COMMUTATOR = '~@', RESTRICT = contsel, JOIN = contjoinsel
);
CREATE OPERATOR ~@ (
LEFTARG = query_txt, RIGHTARG = txtidx, PROCEDURE = rexecqtxt,
COMMUTATOR = '@@', RESTRICT = contsel, JOIN = contjoinsel
);
CREATE OPERATOR ## (
LEFTARG = txtidx, RIGHTARG = mquery_txt, PROCEDURE = execqtxt,
COMMUTATOR = '~#', RESTRICT = contsel, JOIN = contjoinsel
);
CREATE OPERATOR ~# (
LEFTARG = mquery_txt, RIGHTARG = txtidx, PROCEDURE = rexecqtxt,
COMMUTATOR = '##', RESTRICT = contsel, JOIN = contjoinsel
);
--Trigger
create function tsearch() returns opaque as
'MODULE_PATHNAME'
language 'C';
--GiST
--GiST key type
CREATE FUNCTION gtxtidx_in(opaque)
RETURNS opaque
AS 'MODULE_PATHNAME'
LANGUAGE 'c' with (isstrict);
CREATE FUNCTION gtxtidx_out(opaque)
RETURNS opaque
AS 'MODULE_PATHNAME'
LANGUAGE 'c' with (isstrict);
CREATE TYPE gtxtidx (
internallength = -1,
input = gtxtidx_in,
output = gtxtidx_out
);
-- support functions
CREATE FUNCTION gtxtidx_consistent(gtxtidx,opaque,int4) RETURNS bool
AS 'MODULE_PATHNAME' LANGUAGE 'c';
CREATE FUNCTION gtxtidx_compress(opaque) RETURNS opaque
AS 'MODULE_PATHNAME' LANGUAGE 'c';
CREATE FUNCTION gtxtidx_decompress(opaque) RETURNS opaque
AS 'MODULE_PATHNAME' LANGUAGE 'c';
CREATE FUNCTION gtxtidx_penalty(opaque,opaque,opaque) RETURNS opaque
AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
CREATE FUNCTION gtxtidx_picksplit(opaque, opaque) RETURNS opaque
AS 'MODULE_PATHNAME' LANGUAGE 'c';
CREATE FUNCTION gtxtidx_union(bytea, opaque) RETURNS _int4
AS 'MODULE_PATHNAME' LANGUAGE 'c';
CREATE FUNCTION gtxtidx_same(gtxtidx, gtxtidx, opaque) RETURNS opaque
AS 'MODULE_PATHNAME' LANGUAGE 'c';
-- create the operator class
CREATE OPERATOR CLASS gist_txtidx_ops
DEFAULT FOR TYPE txtidx USING gist AS
OPERATOR 1 @@ (txtidx, query_txt) RECHECK ,
OPERATOR 2 ## (txtidx, mquery_txt) RECHECK ,
FUNCTION 1 gtxtidx_consistent (gtxtidx, opaque, int4),
FUNCTION 2 gtxtidx_union (bytea, opaque),
FUNCTION 3 gtxtidx_compress (opaque),
FUNCTION 4 gtxtidx_decompress (opaque),
FUNCTION 5 gtxtidx_penalty (opaque, opaque, opaque),
FUNCTION 6 gtxtidx_picksplit (opaque, opaque),
FUNCTION 7 gtxtidx_same (gtxtidx, gtxtidx, opaque),
STORAGE gtxtidx;
END TRANSACTION;
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