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27a54ae282
an 'opclass owner' column in pg_opclass. Nothing is done with it at present, but since there are plans to invent a CREATE OPERATOR CLASS command soon, we'll probably want DROP OPERATOR CLASS too, which suggests that a notion of ownership would be a good idea.
429 lines
13 KiB
MySQL
429 lines
13 KiB
MySQL
-- Create the user-defined type for the 1-D integer arrays (_int4)
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--
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BEGIN TRANSACTION;
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-- Query type
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CREATE FUNCTION bqarr_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 bqarr_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_int (
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internallength = -1,
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input = bqarr_in,
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output = bqarr_out
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);
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--only for debug
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CREATE FUNCTION querytree(query_int)
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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 boolop(_int4, query_int) RETURNS bool
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AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
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COMMENT ON FUNCTION boolop(_int4, query_int) IS 'boolean operation with array';
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CREATE FUNCTION rboolop(query_int, _int4) RETURNS bool
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AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
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COMMENT ON FUNCTION rboolop(query_int, _int4) IS 'boolean operation with array';
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CREATE OPERATOR @@ (
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LEFTARG = _int4, RIGHTARG = query_int, PROCEDURE = boolop,
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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_int, RIGHTARG = _int4, PROCEDURE = rboolop,
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COMMUTATOR = '@@', RESTRICT = contsel, JOIN = contjoinsel
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);
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--
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-- External C-functions for R-tree methods
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--
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-- Comparison methods
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CREATE FUNCTION _int_contains(_int4, _int4) RETURNS bool
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AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
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COMMENT ON FUNCTION _int_contains(_int4, _int4) IS 'contains';
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CREATE FUNCTION _int_contained(_int4, _int4) RETURNS bool
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AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
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COMMENT ON FUNCTION _int_contained(_int4, _int4) IS 'contained in';
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CREATE FUNCTION _int_overlap(_int4, _int4) RETURNS bool
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AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
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COMMENT ON FUNCTION _int_overlap(_int4, _int4) IS 'overlaps';
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CREATE FUNCTION _int_same(_int4, _int4) RETURNS bool
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AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
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COMMENT ON FUNCTION _int_same(_int4, _int4) IS 'same as';
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CREATE FUNCTION _int_different(_int4, _int4) RETURNS bool
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AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
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COMMENT ON FUNCTION _int_different(_int4, _int4) IS 'different';
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-- support routines for indexing
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CREATE FUNCTION _int_union(_int4, _int4) RETURNS _int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
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CREATE FUNCTION _int_inter(_int4, _int4) RETURNS _int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
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--
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-- OPERATORS
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--
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CREATE OPERATOR && (
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LEFTARG = _int4, RIGHTARG = _int4, PROCEDURE = _int_overlap,
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COMMUTATOR = '&&',
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RESTRICT = contsel, JOIN = contjoinsel
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);
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--CREATE OPERATOR = (
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-- LEFTARG = _int4, RIGHTARG = _int4, PROCEDURE = _int_same,
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-- COMMUTATOR = '=', NEGATOR = '<>',
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-- RESTRICT = eqsel, JOIN = eqjoinsel,
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-- SORT1 = '<', SORT2 = '<'
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--);
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CREATE OPERATOR <> (
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LEFTARG = _int4, RIGHTARG = _int4, PROCEDURE = _int_different,
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COMMUTATOR = '<>', NEGATOR = '=',
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RESTRICT = neqsel, JOIN = neqjoinsel
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);
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CREATE OPERATOR @ (
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LEFTARG = _int4, RIGHTARG = _int4, PROCEDURE = _int_contains,
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COMMUTATOR = '~', RESTRICT = contsel, JOIN = contjoinsel
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);
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CREATE OPERATOR ~ (
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LEFTARG = _int4, RIGHTARG = _int4, PROCEDURE = _int_contained,
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COMMUTATOR = '@', RESTRICT = contsel, JOIN = contjoinsel
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);
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-- define the GiST support methods
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CREATE FUNCTION g_int_consistent(opaque,_int4,int4) RETURNS bool
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION g_int_compress(opaque) RETURNS opaque
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION g_int_decompress(opaque) RETURNS opaque
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION g_int_penalty(opaque,opaque,opaque) RETURNS opaque
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AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
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CREATE FUNCTION g_int_picksplit(opaque, opaque) RETURNS opaque
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION g_int_union(bytea, opaque) RETURNS _int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION g_int_same(_int4, _int4, opaque) RETURNS opaque
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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-- register the default opclass for indexing
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INSERT INTO pg_opclass (opcamid, opcname, opcnamespace, opcowner, 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__int_ops',
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(SELECT oid FROM pg_namespace WHERE nspname = 'pg_catalog'),
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1, -- UID of superuser is hardwired to 1 as of PG 7.3
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(SELECT oid FROM pg_type WHERE typname = '_int4'),
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true,
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0);
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-- get the comparators for _intments and store them in a tmp table
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SELECT o.oid AS opoid, o.oprname
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INTO TEMP TABLE _int_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 = t.oid or o.oprright=tq.oid )
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and t.typname = '_int4'
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and tq.typname='query_int';
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-- make sure we have the right operators
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-- SELECT * from _int_ops_tmp;
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-- using the tmp table, generate the amop entries
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-- _int_overlap
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INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr)
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SELECT opcl.oid, 3, false, c.opoid
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FROM pg_opclass opcl, _int_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__int_ops'
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and c.oprname = '&&';
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-- _int_same
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INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr)
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SELECT opcl.oid, 6, false, c.opoid
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FROM pg_opclass opcl, _int_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__int_ops'
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and c.oprname = '=';
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-- _int_contains
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INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr)
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SELECT opcl.oid, 7, false, c.opoid
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FROM pg_opclass opcl, _int_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__int_ops'
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and c.oprname = '@';
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-- _int_contained
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INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr)
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SELECT opcl.oid, 8, false, c.opoid
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FROM pg_opclass opcl, _int_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__int_ops'
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and c.oprname = '~';
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--boolean search
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INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr)
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SELECT opcl.oid, 20, false, c.opoid
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FROM pg_opclass opcl, _int_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__int_ops'
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and c.oprname = '@@';
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DROP TABLE _int_ops_tmp;
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-- add the entries to amproc for the support methods
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-- note the amprocnum numbers associated with each are specific!
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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__int_ops'
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and proname = 'g_int_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__int_ops'
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and proname = 'g_int_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__int_ops'
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and proname = 'g_int_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__int_ops'
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and proname = 'g_int_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__int_ops'
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and proname = 'g_int_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__int_ops'
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and proname = 'g_int_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__int_ops'
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and proname = 'g_int_same';
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---------------------------------------------
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-- intbig
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---------------------------------------------
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-- define the GiST support methods
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CREATE FUNCTION g_intbig_consistent(opaque,_int4,int4) RETURNS bool
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION g_intbig_compress(opaque) RETURNS opaque
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION g_intbig_decompress(opaque) RETURNS opaque
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION g_intbig_penalty(opaque,opaque,opaque) RETURNS opaque
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AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
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CREATE FUNCTION g_intbig_picksplit(opaque, opaque) RETURNS opaque
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION g_intbig_union(bytea, opaque) RETURNS _int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION g_intbig_same(_int4, _int4, opaque) RETURNS opaque
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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-- register the opclass for indexing (not as default)
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INSERT INTO pg_opclass (opcamid, opcname, opcnamespace, opcowner, 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__intbig_ops',
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(SELECT oid FROM pg_namespace WHERE nspname = 'pg_catalog'),
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1, -- UID of superuser is hardwired to 1 as of PG 7.3
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(SELECT oid FROM pg_type WHERE typname = '_int4'),
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false,
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0);
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-- get the comparators for _intments and store them in a tmp table
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SELECT o.oid AS opoid, o.oprname
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INTO TEMP TABLE _int_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 = t.oid or o.oprright=tq.oid )
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and t.typname = '_int4'
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and tq.typname='query_int';
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-- make sure we have the right operators
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-- SELECT * from _int_ops_tmp;
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-- using the tmp table, generate the amop entries
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-- note: these operators are all lossy
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-- _int_overlap
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INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr)
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SELECT opcl.oid, 3, true, c.opoid
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FROM pg_opclass opcl, _int_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__intbig_ops'
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and c.oprname = '&&';
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-- _int_contains
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INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr)
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SELECT opcl.oid, 7, true, c.opoid
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FROM pg_opclass opcl, _int_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__intbig_ops'
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and c.oprname = '@';
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-- _int_contained
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INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr)
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SELECT opcl.oid, 8, true, c.opoid
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FROM pg_opclass opcl, _int_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__intbig_ops'
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and c.oprname = '~';
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--boolean search
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INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr)
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SELECT opcl.oid, 20, true, c.opoid
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FROM pg_opclass opcl, _int_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__intbig_ops'
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and c.oprname = '@@';
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DROP TABLE _int_ops_tmp;
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-- add the entries to amproc for the support methods
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-- note the amprocnum numbers associated with each are specific!
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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__intbig_ops'
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and proname = 'g_intbig_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__intbig_ops'
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and proname = 'g_intbig_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__intbig_ops'
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and proname = 'g_intbig_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__intbig_ops'
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and proname = 'g_intbig_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__intbig_ops'
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and proname = 'g_intbig_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__intbig_ops'
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and proname = 'g_intbig_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__intbig_ops'
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and proname = 'g_intbig_same';
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END TRANSACTION;
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