mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-08-19 04:43:23 +02:00
249 lines
6.8 KiB
MySQL
249 lines
6.8 KiB
MySQL
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BEGIN TRANSACTION;
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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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);
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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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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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INSERT INTO pg_opclass (opcamid, opcname, opcintype, opcdefault, opckeytype)
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VALUES (
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(SELECT oid FROM pg_am WHERE amname = 'gist'),
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'gist_txtidx_ops',
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(SELECT oid FROM pg_type WHERE typname = 'txtidx'),
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true,
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(SELECT oid FROM pg_type WHERE typname = 'gtxtidx'));
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SELECT o.oid AS opoid, o.oprname
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INTO TEMP TABLE txtidx_ops_tmp
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FROM pg_operator o, pg_type t, pg_type tq
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WHERE o.oprleft = t.oid and o.oprright=tq.oid
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and t.typname = 'txtidx'
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and ( tq.typname='query_txt' or tq.typname='mquery_txt' );
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INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr)
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SELECT opcl.oid, 1, false, c.opoid
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FROM pg_opclass opcl, txtidx_ops_tmp c
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WHERE
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opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist')
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and opcname = 'gist_txtidx_ops'
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and c.oprname = '@@';
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INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr)
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SELECT opcl.oid, 2, false, c.opoid
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FROM pg_opclass opcl, txtidx_ops_tmp c
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WHERE
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opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist')
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and opcname = 'gist_txtidx_ops'
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and c.oprname = '##';
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DROP TABLE txtidx_ops_tmp;
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INSERT INTO pg_amproc (amopclaid, amprocnum, amproc)
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SELECT opcl.oid, 1, pro.oid
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FROM pg_opclass opcl, pg_proc pro
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WHERE
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opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist')
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and opcname = 'gist_txtidx_ops'
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and proname = 'gtxtidx_consistent';
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INSERT INTO pg_amproc (amopclaid, amprocnum, amproc)
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SELECT opcl.oid, 2, pro.oid
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FROM pg_opclass opcl, pg_proc pro
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WHERE
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opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist')
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and opcname = 'gist_txtidx_ops'
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and proname = 'gtxtidx_union';
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INSERT INTO pg_amproc (amopclaid, amprocnum, amproc)
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SELECT opcl.oid, 3, pro.oid
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FROM pg_opclass opcl, pg_proc pro
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WHERE
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opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist')
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and opcname = 'gist_txtidx_ops'
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and proname = 'gtxtidx_compress';
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INSERT INTO pg_amproc (amopclaid, amprocnum, amproc)
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SELECT opcl.oid, 4, pro.oid
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FROM pg_opclass opcl, pg_proc pro
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WHERE
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opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist')
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and opcname = 'gist_txtidx_ops'
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and proname = 'gtxtidx_decompress';
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INSERT INTO pg_amproc (amopclaid, amprocnum, amproc)
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SELECT opcl.oid, 5, pro.oid
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FROM pg_opclass opcl, pg_proc pro
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WHERE
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opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist')
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and opcname = 'gist_txtidx_ops'
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and proname = 'gtxtidx_penalty';
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INSERT INTO pg_amproc (amopclaid, amprocnum, amproc)
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SELECT opcl.oid, 6, pro.oid
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FROM pg_opclass opcl, pg_proc pro
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WHERE
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opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist')
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and opcname = 'gist_txtidx_ops'
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and proname = 'gtxtidx_picksplit';
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INSERT INTO pg_amproc (amopclaid, amprocnum, amproc)
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SELECT opcl.oid, 7, pro.oid
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FROM pg_opclass opcl, pg_proc pro
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WHERE
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opcamid = (SELECT oid FROM pg_am WHERE amname = 'gist')
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and opcname = 'gist_txtidx_ops'
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and proname = 'gtxtidx_same';
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END TRANSACTION;
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