212 lines
6.3 KiB
MySQL
212 lines
6.3 KiB
MySQL
-- Create the user-defined type for the 1-D frloating point indervals (_int4)
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--
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BEGIN TRANSACTION;
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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';
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INSERT INTO pg_description (objoid, description)
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SELECT oid, 'contains'::text
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FROM pg_proc
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WHERE proname = '_int_contains'::name;
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CREATE FUNCTION _int_contained(_int4, _int4) RETURNS bool
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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INSERT INTO pg_description (objoid, description)
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SELECT oid, 'contained in'::text
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FROM pg_proc
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WHERE proname = '_int_contained'::name;
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CREATE FUNCTION _int_overlap(_int4, _int4) RETURNS bool
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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INSERT INTO pg_description (objoid, description)
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SELECT oid, 'overlaps'::text
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FROM pg_proc
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WHERE proname = '_int_overlap'::name;
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CREATE FUNCTION _int_same(_int4, _int4) RETURNS bool
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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INSERT INTO pg_description (objoid, description)
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SELECT oid, 'same as'::text
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FROM pg_proc
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WHERE proname = '_int_same'::name;
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CREATE FUNCTION _int_different(_int4, _int4) RETURNS bool
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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INSERT INTO pg_description (objoid, description)
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SELECT oid, 'different'::text
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FROM pg_proc
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WHERE proname = '_int_different'::name;
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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';
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CREATE FUNCTION _int_inter(_int4, _int4) RETURNS _int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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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';
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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 (opcname, opcdeftype)
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SELECT 'gist__int_ops', oid
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FROM pg_type
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WHERE typname = '_int4';
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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 TABLE _int_ops_tmp
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FROM pg_operator o, pg_type t
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WHERE o.oprleft = t.oid and o.oprright = t.oid
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and t.typname = '_int4';
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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 (amopid, amopclaid, amopopr, amopstrategy)
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SELECT am.oid, opcl.oid, c.opoid, 3
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FROM pg_am am, pg_opclass opcl, _int_ops_tmp c
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WHERE amname = 'gist' 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 (amopid, amopclaid, amopopr, amopstrategy)
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SELECT am.oid, opcl.oid, c.opoid, 6
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FROM pg_am am, pg_opclass opcl, _int_ops_tmp c
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WHERE amname = 'gist' 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 (amopid, amopclaid, amopopr, amopstrategy)
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SELECT am.oid, opcl.oid, c.opoid, 7
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FROM pg_am am, pg_opclass opcl, _int_ops_tmp c
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WHERE amname = 'gist' 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 (amopid, amopclaid, amopopr, amopstrategy)
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SELECT am.oid, opcl.oid, c.opoid, 8
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FROM pg_am am, pg_opclass opcl, _int_ops_tmp c
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WHERE amname = 'gist' 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 (amid, amopclaid, amproc, amprocnum)
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SELECT am.oid, opcl.oid, pro.oid, 1
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FROM pg_am am, pg_opclass opcl, pg_proc pro
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WHERE amname = 'gist' and opcname = 'gist__int_ops'
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and proname = 'g_int_consistent';
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INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
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SELECT am.oid, opcl.oid, pro.oid, 2
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FROM pg_am am, pg_opclass opcl, pg_proc pro
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WHERE amname = 'gist' and opcname = 'gist__int_ops'
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and proname = 'g_int_union';
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INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
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SELECT am.oid, opcl.oid, pro.oid, 3
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FROM pg_am am, pg_opclass opcl, pg_proc pro
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WHERE amname = 'gist' and opcname = 'gist__int_ops'
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and proname = 'g_int_compress';
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INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
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SELECT am.oid, opcl.oid, pro.oid, 4
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FROM pg_am am, pg_opclass opcl, pg_proc pro
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WHERE amname = 'gist' and opcname = 'gist__int_ops'
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and proname = 'g_int_decompress';
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INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
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SELECT am.oid, opcl.oid, pro.oid, 5
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FROM pg_am am, pg_opclass opcl, pg_proc pro
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WHERE amname = 'gist' and opcname = 'gist__int_ops'
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and proname = 'g_int_penalty';
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INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
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SELECT am.oid, opcl.oid, pro.oid, 6
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FROM pg_am am, pg_opclass opcl, pg_proc pro
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WHERE amname = 'gist' and opcname = 'gist__int_ops'
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and proname = 'g_int_picksplit';
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INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
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SELECT am.oid, opcl.oid, pro.oid, 7
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FROM pg_am am, pg_opclass opcl, pg_proc pro
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WHERE amname = 'gist' and opcname = 'gist__int_ops'
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and proname = 'g_int_same';
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END TRANSACTION;
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