mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-09-02 00:47:24 +02:00
178 lines
4.5 KiB
MySQL
178 lines
4.5 KiB
MySQL
BEGIN TRANSACTION;
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-- 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(opaque)
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RETURNS opaque
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AS 'MODULE_PATHNAME'
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LANGUAGE 'c' with (isstrict);
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CREATE FUNCTION txtidx_out(opaque)
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RETURNS opaque
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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(opaque)
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RETURNS opaque
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AS 'MODULE_PATHNAME'
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LANGUAGE 'c' with (isstrict);
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CREATE FUNCTION qtxt_out(opaque)
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RETURNS opaque
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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(opaque)
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RETURNS opaque
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AS 'MODULE_PATHNAME'
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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 = qtxt_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) RETURNS bool
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AS 'MODULE_PATHNAME' 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) RETURNS bool
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AS 'MODULE_PATHNAME' 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) RETURNS bool
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AS 'MODULE_PATHNAME' 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) RETURNS bool
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AS 'MODULE_PATHNAME' 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, RIGHTARG = query_txt, PROCEDURE = execqtxt,
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COMMUTATOR = '~@', RESTRICT = contsel, JOIN = contjoinsel
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);
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CREATE OPERATOR ~@ (
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LEFTARG = query_txt, RIGHTARG = txtidx, PROCEDURE = rexecqtxt,
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COMMUTATOR = '@@', RESTRICT = contsel, JOIN = contjoinsel
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);
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CREATE OPERATOR ## (
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LEFTARG = txtidx, RIGHTARG = mquery_txt, PROCEDURE = execqtxt,
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COMMUTATOR = '~#', RESTRICT = contsel, JOIN = contjoinsel
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);
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CREATE OPERATOR ~# (
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LEFTARG = mquery_txt, RIGHTARG = txtidx, PROCEDURE = rexecqtxt,
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COMMUTATOR = '##', RESTRICT = contsel, JOIN = contjoinsel
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);
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--Trigger
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create function tsearch() returns opaque as
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'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(opaque)
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RETURNS opaque
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AS 'MODULE_PATHNAME'
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LANGUAGE 'c' with (isstrict);
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CREATE FUNCTION gtxtidx_out(opaque)
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RETURNS opaque
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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,opaque,int4) RETURNS bool
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION gtxtidx_compress(opaque) RETURNS opaque
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION gtxtidx_decompress(opaque) RETURNS opaque
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION gtxtidx_penalty(opaque,opaque,opaque) RETURNS opaque
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AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
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CREATE FUNCTION gtxtidx_picksplit(opaque, opaque) RETURNS opaque
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION gtxtidx_union(bytea, opaque) RETURNS _int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION gtxtidx_same(gtxtidx, gtxtidx, opaque) RETURNS opaque
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AS 'MODULE_PATHNAME' 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 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, opaque, int4),
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FUNCTION 2 gtxtidx_union (bytea, opaque),
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FUNCTION 3 gtxtidx_compress (opaque),
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FUNCTION 4 gtxtidx_decompress (opaque),
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FUNCTION 5 gtxtidx_penalty (opaque, opaque, opaque),
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FUNCTION 6 gtxtidx_picksplit (opaque, opaque),
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FUNCTION 7 gtxtidx_same (gtxtidx, gtxtidx, opaque),
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STORAGE gtxtidx;
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END TRANSACTION;
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