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with OPAQUE, as per recent pghackers discussion. I still want to do some more work on the 'cstring' pseudo-type, but I'm going to commit the bulk of the changes now before the tree starts shifting under me ...
286 lines
8.6 KiB
MySQL
286 lines
8.6 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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-- Adjust this setting to control where the operators, functions, and
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-- opclasses get created.
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SET search_path = public;
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-- Query type
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CREATE FUNCTION bqarr_in(cstring)
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RETURNS query_int
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AS 'MODULE_PATHNAME'
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LANGUAGE 'c' with (isstrict);
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CREATE FUNCTION bqarr_out(query_int)
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RETURNS cstring
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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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--------------
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CREATE FUNCTION intset(int4) RETURNS _int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c' WITH (isStrict, isCachable);
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CREATE FUNCTION icount(_int4) RETURNS int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c' WITH (isStrict, isCachable);
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CREATE OPERATOR # (
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RIGHTARG = _int4, PROCEDURE = icount
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);
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CREATE FUNCTION sort(_int4, text) RETURNS _int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c' WITH (isStrict, isCachable);
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CREATE FUNCTION sort(_int4) RETURNS _int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c' WITH (isStrict, isCachable);
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CREATE FUNCTION sort_asc(_int4) RETURNS _int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c' WITH (isStrict, isCachable);
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CREATE FUNCTION sort_desc(_int4) RETURNS _int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c' WITH (isStrict, isCachable);
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CREATE FUNCTION uniq(_int4) RETURNS _int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c' WITH (isStrict, isCachable);
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CREATE FUNCTION idx(_int4, int4) RETURNS int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c' WITH (isStrict, isCachable);
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CREATE OPERATOR # (
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LEFTARG = _int4, RIGHTARG = int4, PROCEDURE = idx
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);
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CREATE FUNCTION subarray(_int4, int4, int4) RETURNS _int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c' WITH (isStrict, isCachable);
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CREATE FUNCTION subarray(_int4, int4) RETURNS _int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c' WITH (isStrict, isCachable);
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CREATE FUNCTION intarray_push_elem(_int4, int4) RETURNS _int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c' WITH (isStrict, isCachable);
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CREATE OPERATOR + (
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LEFTARG = _int4, RIGHTARG = int4, PROCEDURE = intarray_push_elem
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);
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CREATE FUNCTION intarray_push_array(_int4, _int4) RETURNS _int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c' WITH (isStrict, isCachable);
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CREATE OPERATOR + (
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LEFTARG = _int4, RIGHTARG = _int4, COMMUTATOR = +, PROCEDURE = intarray_push_array
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);
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CREATE FUNCTION intarray_del_elem(_int4, int4) RETURNS _int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c' WITH (isStrict, isCachable);
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CREATE OPERATOR - (
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LEFTARG = _int4, RIGHTARG = int4, PROCEDURE = intarray_del_elem
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);
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CREATE FUNCTION intset_union_elem(_int4, int4) RETURNS _int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c' WITH (isStrict, isCachable);
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CREATE OPERATOR | (
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LEFTARG = _int4, RIGHTARG = int4, PROCEDURE = intset_union_elem
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);
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CREATE OPERATOR | (
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LEFTARG = _int4, RIGHTARG = _int4, COMMUTATOR = |, PROCEDURE = _int_union
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);
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CREATE FUNCTION intset_subtract(_int4, _int4) RETURNS _int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c' WITH (isStrict, isCachable);
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CREATE OPERATOR - (
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LEFTARG = _int4, RIGHTARG = _int4, PROCEDURE = intset_subtract
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);
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CREATE OPERATOR & (
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LEFTARG = _int4, RIGHTARG = _int4, COMMUTATOR = &, PROCEDURE = _int_inter
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);
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--------------
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-- define the GiST support methods
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CREATE FUNCTION g_int_consistent(internal,_int4,int4) RETURNS bool
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION g_int_compress(internal) RETURNS internal
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION g_int_decompress(internal) RETURNS internal
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION g_int_penalty(internal,internal,internal) RETURNS internal
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AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
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CREATE FUNCTION g_int_picksplit(internal, internal) RETURNS internal
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION g_int_union(bytea, internal) RETURNS _int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION g_int_same(_int4, _int4, internal) RETURNS internal
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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-- Create the operator class for indexing
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CREATE OPERATOR CLASS gist__int_ops
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DEFAULT FOR TYPE _int4 USING gist AS
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OPERATOR 3 &&,
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OPERATOR 6 = RECHECK,
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OPERATOR 7 @,
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OPERATOR 8 ~,
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OPERATOR 20 @@ (_int4, query_int),
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FUNCTION 1 g_int_consistent (internal, _int4, int4),
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FUNCTION 2 g_int_union (bytea, internal),
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FUNCTION 3 g_int_compress (internal),
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FUNCTION 4 g_int_decompress (internal),
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FUNCTION 5 g_int_penalty (internal, internal, internal),
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FUNCTION 6 g_int_picksplit (internal, internal),
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FUNCTION 7 g_int_same (_int4, _int4, internal);
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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(internal,_int4,int4) RETURNS bool
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION g_intbig_compress(internal) RETURNS internal
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION g_intbig_decompress(internal) RETURNS internal
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION g_intbig_penalty(internal,internal,internal) RETURNS internal
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AS 'MODULE_PATHNAME' LANGUAGE 'c' with (isstrict);
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CREATE FUNCTION g_intbig_picksplit(internal, internal) RETURNS internal
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION g_intbig_union(bytea, internal) RETURNS _int4
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AS 'MODULE_PATHNAME' LANGUAGE 'c';
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CREATE FUNCTION g_intbig_same(_int4, _int4, internal) RETURNS internal
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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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CREATE OPERATOR CLASS gist__intbig_ops
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FOR TYPE _int4 USING gist AS
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OPERATOR 3 && RECHECK,
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OPERATOR 6 = RECHECK,
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OPERATOR 7 @ RECHECK,
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OPERATOR 8 ~ RECHECK,
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OPERATOR 20 @@ (_int4, query_int) RECHECK,
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FUNCTION 1 g_intbig_consistent (internal, _int4, int4),
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FUNCTION 2 g_intbig_union (bytea, internal),
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FUNCTION 3 g_intbig_compress (internal),
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FUNCTION 4 g_intbig_decompress (internal),
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FUNCTION 5 g_intbig_penalty (internal, internal, internal),
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FUNCTION 6 g_intbig_picksplit (internal, internal),
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FUNCTION 7 g_intbig_same (_int4, _int4, internal);
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END TRANSACTION;
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