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boxes. Change interface to user-defined GiST support methods union and picksplit. Now instead of bytea struct it used special GistEntryVector structure.
219 lines
4.6 KiB
MySQL
219 lines
4.6 KiB
MySQL
-- Adjust this setting to control where the objects get created.
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SET search_path = public;
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-- TXTIDX type
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CREATE FUNCTION txtidx_in(cstring)
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RETURNS txtidx
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' with (isstrict);
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CREATE FUNCTION txtidx_out(txtidx)
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RETURNS cstring
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' with (isstrict);
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CREATE TYPE txtidx (
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INTERNALLENGTH = -1,
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INPUT = txtidx_in,
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OUTPUT = txtidx_out,
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STORAGE = extended
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);
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CREATE FUNCTION txt2txtidx(text)
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RETURNS txtidx
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' with (isstrict);
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CREATE FUNCTION txtidxsize(txtidx)
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RETURNS int4
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' with (isstrict);
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--QUERYTYPES
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--without morphology
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CREATE FUNCTION qtxt_in(cstring)
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RETURNS query_txt
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' with (isstrict);
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CREATE FUNCTION qtxt_out(query_txt)
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RETURNS cstring
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' with (isstrict);
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CREATE TYPE query_txt (
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INTERNALLENGTH = -1,
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INPUT = qtxt_in,
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OUTPUT = qtxt_out
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);
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--with morphology
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CREATE FUNCTION mqtxt_in(cstring)
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RETURNS mquery_txt
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' with (isstrict);
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--same C output function as for query_txt
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CREATE FUNCTION mqtxt_out(mquery_txt)
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RETURNS cstring
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AS 'MODULE_PATHNAME', 'qtxt_out'
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LANGUAGE 'C' with (isstrict);
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CREATE TYPE mquery_txt (
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INTERNALLENGTH = -1,
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INPUT = mqtxt_in,
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OUTPUT = mqtxt_out
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);
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--only for debug
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CREATE FUNCTION querytree(query_txt)
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RETURNS text
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' with (isstrict);
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CREATE FUNCTION querytree(mquery_txt)
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RETURNS text
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' with (isstrict);
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--operations
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CREATE FUNCTION execqtxt(txtidx, query_txt)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' with (isstrict);
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COMMENT ON FUNCTION execqtxt(txtidx, query_txt) IS 'boolean operation with text index';
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CREATE FUNCTION execqtxt(txtidx, mquery_txt)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' with (isstrict);
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COMMENT ON FUNCTION execqtxt(txtidx, mquery_txt) IS 'boolean operation with text index';
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CREATE FUNCTION rexecqtxt(query_txt, txtidx)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' with (isstrict);
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COMMENT ON FUNCTION rexecqtxt(query_txt, txtidx) IS 'boolean operation with text index';
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CREATE FUNCTION rexecqtxt(mquery_txt, txtidx)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' with (isstrict);
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COMMENT ON FUNCTION rexecqtxt(mquery_txt, txtidx) IS 'boolean operation with text index';
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CREATE OPERATOR @@ (
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LEFTARG = txtidx,
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RIGHTARG = query_txt,
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PROCEDURE = execqtxt,
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COMMUTATOR = '~@',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ~@ (
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LEFTARG = query_txt,
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RIGHTARG = txtidx,
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PROCEDURE = rexecqtxt,
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COMMUTATOR = '@@',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ## (
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LEFTARG = txtidx,
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RIGHTARG = mquery_txt,
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PROCEDURE = execqtxt,
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COMMUTATOR = '~#',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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CREATE OPERATOR ~# (
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LEFTARG = mquery_txt,
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RIGHTARG = txtidx,
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PROCEDURE = rexecqtxt,
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COMMUTATOR = '##',
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RESTRICT = contsel,
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JOIN = contjoinsel
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);
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--Trigger
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CREATE FUNCTION tsearch()
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RETURNS trigger
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C';
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--GiST
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--GiST key type
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CREATE FUNCTION gtxtidx_in(cstring)
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RETURNS gtxtidx
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' with (isstrict);
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CREATE FUNCTION gtxtidx_out(gtxtidx)
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RETURNS cstring
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' with (isstrict);
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CREATE TYPE gtxtidx (
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INTERNALLENGTH = -1,
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INPUT = gtxtidx_in,
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OUTPUT = gtxtidx_out
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);
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-- support functions
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CREATE FUNCTION gtxtidx_consistent(gtxtidx,internal,int4)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C';
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CREATE FUNCTION gtxtidx_compress(internal)
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RETURNS internal
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C';
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CREATE FUNCTION gtxtidx_decompress(internal)
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RETURNS internal
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C';
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CREATE FUNCTION gtxtidx_penalty(internal,internal,internal)
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RETURNS internal
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' with (isstrict);
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CREATE FUNCTION gtxtidx_picksplit(internal, internal)
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RETURNS internal
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C';
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CREATE FUNCTION gtxtidx_union(internal, internal)
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RETURNS _int4
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C';
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CREATE FUNCTION gtxtidx_same(gtxtidx, gtxtidx, internal)
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RETURNS internal
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C';
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-- create the operator class
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CREATE OPERATOR CLASS gist_txtidx_ops
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DEFAULT FOR TYPE txtidx USING gist
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AS
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OPERATOR 1 @@ (txtidx, query_txt) RECHECK ,
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OPERATOR 2 ## (txtidx, mquery_txt) RECHECK ,
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FUNCTION 1 gtxtidx_consistent (gtxtidx, internal, int4),
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FUNCTION 2 gtxtidx_union (internal, internal),
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FUNCTION 3 gtxtidx_compress (internal),
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FUNCTION 4 gtxtidx_decompress (internal),
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FUNCTION 5 gtxtidx_penalty (internal, internal, internal),
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FUNCTION 6 gtxtidx_picksplit (internal, internal),
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FUNCTION 7 gtxtidx_same (gtxtidx, gtxtidx, internal),
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STORAGE gtxtidx;
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