--- /dev/null
+-- Create the user-defined type for the 1-D frloating point indervals (_int4)
+--
+BEGIN TRANSACTION;
+
+--
+-- External C-functions for R-tree methods
+--
+
+-- Comparison methods
+
+CREATE FUNCTION _int_contains(_int4, _int4) RETURNS bool
+ AS 'MODULE_PATHNAME' LANGUAGE 'c';
+
+INSERT INTO pg_description (objoid, description)
+ SELECT oid, 'contains'::text
+ FROM pg_proc
+ WHERE proname = '_int_contains'::name;
+
+CREATE FUNCTION _int_contained(_int4, _int4) RETURNS bool
+ AS 'MODULE_PATHNAME' LANGUAGE 'c';
+
+INSERT INTO pg_description (objoid, description)
+ SELECT oid, 'contained in'::text
+ FROM pg_proc
+ WHERE proname = '_int_contained'::name;
+
+CREATE FUNCTION _int_overlap(_int4, _int4) RETURNS bool
+ AS 'MODULE_PATHNAME' LANGUAGE 'c';
+
+INSERT INTO pg_description (objoid, description)
+ SELECT oid, 'overlaps'::text
+ FROM pg_proc
+ WHERE proname = '_int_overlap'::name;
+
+CREATE FUNCTION _int_same(_int4, _int4) RETURNS bool
+ AS 'MODULE_PATHNAME' LANGUAGE 'c';
+
+INSERT INTO pg_description (objoid, description)
+ SELECT oid, 'same as'::text
+ FROM pg_proc
+ WHERE proname = '_int_same'::name;
+
+CREATE FUNCTION _int_different(_int4, _int4) RETURNS bool
+ AS 'MODULE_PATHNAME' LANGUAGE 'c';
+
+INSERT INTO pg_description (objoid, description)
+ SELECT oid, 'different'::text
+ FROM pg_proc
+ WHERE proname = '_int_different'::name;
+
+-- support routines for indexing
+
+CREATE FUNCTION _int_union(_int4, _int4) RETURNS _int4
+ AS 'MODULE_PATHNAME' LANGUAGE 'c';
+
+CREATE FUNCTION _int_inter(_int4, _int4) RETURNS _int4
+ AS 'MODULE_PATHNAME' LANGUAGE 'c';
+
+--
+-- OPERATORS
+--
+
+CREATE OPERATOR && (
+ LEFTARG = _int4, RIGHTARG = _int4, PROCEDURE = _int_overlap,
+ COMMUTATOR = '&&',
+ RESTRICT = contsel, JOIN = contjoinsel
+);
+
+--CREATE OPERATOR = (
+-- LEFTARG = _int4, RIGHTARG = _int4, PROCEDURE = _int_same,
+-- COMMUTATOR = '=', NEGATOR = '<>',
+-- RESTRICT = eqsel, JOIN = eqjoinsel,
+-- SORT1 = '<', SORT2 = '<'
+--);
+
+CREATE OPERATOR <> (
+ LEFTARG = _int4, RIGHTARG = _int4, PROCEDURE = _int_different,
+ COMMUTATOR = '<>', NEGATOR = '=',
+ RESTRICT = neqsel, JOIN = neqjoinsel
+);
+
+CREATE OPERATOR @ (
+ LEFTARG = _int4, RIGHTARG = _int4, PROCEDURE = _int_contains,
+ COMMUTATOR = '~', RESTRICT = contsel, JOIN = contjoinsel
+);
+
+CREATE OPERATOR ~ (
+ LEFTARG = _int4, RIGHTARG = _int4, PROCEDURE = _int_contained,
+ COMMUTATOR = '@', RESTRICT = contsel, JOIN = contjoinsel
+);
+
+
+-- define the GiST support methods
+CREATE FUNCTION g_int_consistent(opaque,_int4,int4) RETURNS bool
+ AS 'MODULE_PATHNAME' LANGUAGE 'c';
+
+CREATE FUNCTION g_int_compress(opaque) RETURNS opaque
+ AS 'MODULE_PATHNAME' LANGUAGE 'c';
+
+CREATE FUNCTION g_int_decompress(opaque) RETURNS opaque
+ AS 'MODULE_PATHNAME' LANGUAGE 'c';
+
+CREATE FUNCTION g_int_penalty(opaque,opaque,opaque) RETURNS opaque
+ AS 'MODULE_PATHNAME' LANGUAGE 'c';
+
+CREATE FUNCTION g_int_picksplit(opaque, opaque) RETURNS opaque
+ AS 'MODULE_PATHNAME' LANGUAGE 'c';
+
+CREATE FUNCTION g_int_union(bytea, opaque) RETURNS _int4
+ AS 'MODULE_PATHNAME' LANGUAGE 'c';
+
+CREATE FUNCTION g_int_same(_int4, _int4, opaque) RETURNS opaque
+ AS 'MODULE_PATHNAME' LANGUAGE 'c';
+
+
+-- register the default opclass for indexing
+INSERT INTO pg_opclass (opcname, opcdeftype)
+ SELECT 'gist__int_ops', oid
+ FROM pg_type
+ WHERE typname = '_int4';
+
+
+-- get the comparators for _intments and store them in a tmp table
+SELECT o.oid AS opoid, o.oprname
+INTO TABLE _int_ops_tmp
+FROM pg_operator o, pg_type t
+WHERE o.oprleft = t.oid and o.oprright = t.oid
+ and t.typname = '_int4';
+
+-- make sure we have the right operators
+-- SELECT * from _int_ops_tmp;
+
+-- using the tmp table, generate the amop entries
+
+-- _int_overlap
+INSERT INTO pg_amop (amopid, amopclaid, amopopr, amopstrategy)
+ SELECT am.oid, opcl.oid, c.opoid, 3
+ FROM pg_am am, pg_opclass opcl, _int_ops_tmp c
+ WHERE amname = 'gist' and opcname = 'gist__int_ops'
+ and c.oprname = '&&';
+
+-- _int_same
+INSERT INTO pg_amop (amopid, amopclaid, amopopr, amopstrategy)
+ SELECT am.oid, opcl.oid, c.opoid, 6
+ FROM pg_am am, pg_opclass opcl, _int_ops_tmp c
+ WHERE amname = 'gist' and opcname = 'gist__int_ops'
+ and c.oprname = '=';
+
+-- _int_contains
+INSERT INTO pg_amop (amopid, amopclaid, amopopr, amopstrategy)
+ SELECT am.oid, opcl.oid, c.opoid, 7
+ FROM pg_am am, pg_opclass opcl, _int_ops_tmp c
+ WHERE amname = 'gist' and opcname = 'gist__int_ops'
+ and c.oprname = '@';
+
+-- _int_contained
+INSERT INTO pg_amop (amopid, amopclaid, amopopr, amopstrategy)
+ SELECT am.oid, opcl.oid, c.opoid, 8
+ FROM pg_am am, pg_opclass opcl, _int_ops_tmp c
+ WHERE amname = 'gist' and opcname = 'gist__int_ops'
+ and c.oprname = '~';
+
+DROP TABLE _int_ops_tmp;
+
+
+-- add the entries to amproc for the support methods
+-- note the amprocnum numbers associated with each are specific!
+
+INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
+ SELECT am.oid, opcl.oid, pro.oid, 1
+ FROM pg_am am, pg_opclass opcl, pg_proc pro
+ WHERE amname = 'gist' and opcname = 'gist__int_ops'
+ and proname = 'g_int_consistent';
+
+INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
+ SELECT am.oid, opcl.oid, pro.oid, 2
+ FROM pg_am am, pg_opclass opcl, pg_proc pro
+ WHERE amname = 'gist' and opcname = 'gist__int_ops'
+ and proname = 'g_int_union';
+
+INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
+ SELECT am.oid, opcl.oid, pro.oid, 3
+ FROM pg_am am, pg_opclass opcl, pg_proc pro
+ WHERE amname = 'gist' and opcname = 'gist__int_ops'
+ and proname = 'g_int_compress';
+
+INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
+ SELECT am.oid, opcl.oid, pro.oid, 4
+ FROM pg_am am, pg_opclass opcl, pg_proc pro
+ WHERE amname = 'gist' and opcname = 'gist__int_ops'
+ and proname = 'g_int_decompress';
+
+INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
+ SELECT am.oid, opcl.oid, pro.oid, 5
+ FROM pg_am am, pg_opclass opcl, pg_proc pro
+ WHERE amname = 'gist' and opcname = 'gist__int_ops'
+ and proname = 'g_int_penalty';
+
+INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
+ SELECT am.oid, opcl.oid, pro.oid, 6
+ FROM pg_am am, pg_opclass opcl, pg_proc pro
+ WHERE amname = 'gist' and opcname = 'gist__int_ops'
+ and proname = 'g_int_picksplit';
+
+INSERT INTO pg_amproc (amid, amopclaid, amproc, amprocnum)
+ SELECT am.oid, opcl.oid, pro.oid, 7
+ FROM pg_am am, pg_opclass opcl, pg_proc pro
+ WHERE amname = 'gist' and opcname = 'gist__int_ops'
+ and proname = 'g_int_same';
+
+END TRANSACTION;
projects / postgresql.git / commitdiff