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boxes. Change interface to user-defined GiST support methods union and picksplit. Now instead of bytea struct it used special GistEntryVector structure.
366 lines
8.9 KiB
MySQL
366 lines
8.9 KiB
MySQL
-- Create the user-defined type for N-dimensional boxes
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--
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-- Adjust this setting to control where the objects get created.
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SET search_path = public;
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CREATE OR REPLACE FUNCTION cube_in(cstring)
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RETURNS cube
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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CREATE OR REPLACE FUNCTION cube_out(cube)
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RETURNS cstring
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AS 'MODULE_PATHNAME'
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LANGUAGE 'c'IMMUTABLE STRICT;
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CREATE TYPE cube (
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INTERNALLENGTH = variable,
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INPUT = cube_in,
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OUTPUT = cube_out
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);
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COMMENT ON TYPE cube IS 'multi-dimensional cube ''(FLOAT-1, FLOAT-2, ..., FLOAT-N), (FLOAT-1, FLOAT-2, ..., FLOAT-N)''';
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-- Convert from text to cube
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CREATE OR REPLACE FUNCTION cube(text) RETURNS cube
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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COMMENT ON FUNCTION cube(text) IS 'convert text to cube';
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CREATE CAST (text AS cube) WITH FUNCTION cube(text) AS ASSIGNMENT;
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--
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-- External C-functions for R-tree methods
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--
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-- Left/Right methods
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CREATE OR REPLACE FUNCTION cube_over_left(cube, cube)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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COMMENT ON FUNCTION cube_over_left(cube, cube) IS 'is over and left of (NOT IMPLEMENTED)';
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CREATE OR REPLACE FUNCTION cube_over_right(cube, cube)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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COMMENT ON FUNCTION cube_over_right(cube, cube) IS 'is over and right of (NOT IMPLEMENTED)';
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CREATE OR REPLACE FUNCTION cube_left(cube, cube)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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COMMENT ON FUNCTION cube_left(cube, cube) IS
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'is left of (NOT IMPLEMENTED)';
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CREATE OR REPLACE FUNCTION cube_right(cube, cube)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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COMMENT ON FUNCTION cube_right(cube, cube) IS 'is right of (NOT IMPLEMENTED)';
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-- Comparison methods
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CREATE OR REPLACE FUNCTION cube_eq(cube, cube)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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COMMENT ON FUNCTION cube_eq(cube, cube) IS 'same as';
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CREATE OR REPLACE FUNCTION cube_ne(cube, cube)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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COMMENT ON FUNCTION cube_ne(cube, cube) IS 'different';
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CREATE OR REPLACE FUNCTION cube_lt(cube, cube)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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COMMENT ON FUNCTION cube_lt(cube, cube) IS 'lower than';
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CREATE OR REPLACE FUNCTION cube_gt(cube, cube)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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COMMENT ON FUNCTION cube_gt(cube, cube) IS 'greater than';
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CREATE OR REPLACE FUNCTION cube_le(cube, cube)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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COMMENT ON FUNCTION cube_le(cube, cube) IS 'lower than or equal to';
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CREATE OR REPLACE FUNCTION cube_ge(cube, cube)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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COMMENT ON FUNCTION cube_ge(cube, cube) IS 'greater than or equal to';
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CREATE OR REPLACE FUNCTION cube_cmp(cube, cube)
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RETURNS int4
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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COMMENT ON FUNCTION cube_cmp(cube, cube) IS 'btree comparison function';
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CREATE OR REPLACE FUNCTION cube_contains(cube, cube)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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COMMENT ON FUNCTION cube_contains(cube, cube) IS 'contains';
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CREATE OR REPLACE FUNCTION cube_contained(cube, cube)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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COMMENT ON FUNCTION cube_contained(cube, cube) IS 'contained in';
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CREATE OR REPLACE FUNCTION cube_overlap(cube, cube)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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COMMENT ON FUNCTION cube_overlap(cube, cube) IS 'overlaps';
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-- support routines for indexing
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CREATE OR REPLACE FUNCTION cube_union(cube, cube)
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RETURNS cube
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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CREATE OR REPLACE FUNCTION cube_inter(cube, cube)
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RETURNS cube
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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CREATE OR REPLACE FUNCTION cube_size(cube)
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RETURNS float8
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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-- Misc N-dimensional functions
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-- proximity routines
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CREATE OR REPLACE FUNCTION cube_distance(cube, cube)
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RETURNS float8
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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-- Extracting elements functions
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CREATE OR REPLACE FUNCTION cube_dim(cube)
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RETURNS int4
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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CREATE OR REPLACE FUNCTION cube_ll_coord(cube, int4)
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RETURNS float8
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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CREATE OR REPLACE FUNCTION cube_ur_coord(cube, int4)
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RETURNS float8
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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CREATE OR REPLACE FUNCTION cube(float8) RETURNS cube
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AS 'MODULE_PATHNAME', 'cube_f8'
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LANGUAGE 'C' IMMUTABLE STRICT;
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CREATE OR REPLACE FUNCTION cube(float8, float8) RETURNS cube
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AS 'MODULE_PATHNAME', 'cube_f8_f8'
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LANGUAGE 'C' IMMUTABLE STRICT;
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CREATE OR REPLACE FUNCTION cube(cube, float8) RETURNS cube
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AS 'MODULE_PATHNAME', 'cube_c_f8'
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LANGUAGE 'C' IMMUTABLE STRICT;
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CREATE OR REPLACE FUNCTION cube(cube, float8, float8) RETURNS cube
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AS 'MODULE_PATHNAME', 'cube_c_f8_f8'
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LANGUAGE 'C' IMMUTABLE STRICT;
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-- Test if cube is also a point
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CREATE OR REPLACE FUNCTION cube_is_point(cube)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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-- Increasing the size of a cube by a radius in at least n dimensions
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CREATE OR REPLACE FUNCTION cube_enlarge(cube, float8, int4)
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RETURNS cube
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' IMMUTABLE STRICT;
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--
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-- OPERATORS
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--
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CREATE OPERATOR < (
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LEFTARG = cube, RIGHTARG = cube, PROCEDURE = cube_lt,
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COMMUTATOR = '>', NEGATOR = '>=',
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RESTRICT = scalarltsel, JOIN = scalarltjoinsel
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);
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CREATE OPERATOR > (
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LEFTARG = cube, RIGHTARG = cube, PROCEDURE = cube_gt,
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COMMUTATOR = '<', NEGATOR = '<=',
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RESTRICT = scalargtsel, JOIN = scalargtjoinsel
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);
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CREATE OPERATOR <= (
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LEFTARG = cube, RIGHTARG = cube, PROCEDURE = cube_le,
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COMMUTATOR = '>=', NEGATOR = '>',
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RESTRICT = scalarltsel, JOIN = scalarltjoinsel
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);
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CREATE OPERATOR >= (
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LEFTARG = cube, RIGHTARG = cube, PROCEDURE = cube_ge,
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COMMUTATOR = '<=', NEGATOR = '<',
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RESTRICT = scalargtsel, JOIN = scalargtjoinsel
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);
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CREATE OPERATOR << (
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LEFTARG = cube, RIGHTARG = cube, PROCEDURE = cube_left,
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COMMUTATOR = '>>',
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RESTRICT = positionsel, JOIN = positionjoinsel
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);
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CREATE OPERATOR &< (
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LEFTARG = cube, RIGHTARG = cube, PROCEDURE = cube_over_left,
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COMMUTATOR = '&>',
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RESTRICT = positionsel, JOIN = positionjoinsel
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);
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CREATE OPERATOR && (
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LEFTARG = cube, RIGHTARG = cube, PROCEDURE = cube_overlap,
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COMMUTATOR = '&&',
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RESTRICT = positionsel, JOIN = positionjoinsel
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);
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CREATE OPERATOR &> (
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LEFTARG = cube, RIGHTARG = cube, PROCEDURE = cube_over_right,
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COMMUTATOR = '&<',
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RESTRICT = positionsel, JOIN = positionjoinsel
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);
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CREATE OPERATOR >> (
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LEFTARG = cube, RIGHTARG = cube, PROCEDURE = cube_right,
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COMMUTATOR = '<<',
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RESTRICT = positionsel, JOIN = positionjoinsel
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);
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CREATE OPERATOR = (
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LEFTARG = cube, RIGHTARG = cube, PROCEDURE = cube_eq,
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COMMUTATOR = '=', NEGATOR = '<>',
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RESTRICT = eqsel, JOIN = eqjoinsel,
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MERGES
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);
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CREATE OPERATOR <> (
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LEFTARG = cube, RIGHTARG = cube, PROCEDURE = cube_ne,
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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 = cube, RIGHTARG = cube, PROCEDURE = cube_contains,
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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 = cube, RIGHTARG = cube, PROCEDURE = cube_contained,
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COMMUTATOR = '@',
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RESTRICT = contsel, JOIN = contjoinsel
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);
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-- define the GiST support methods
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CREATE OR REPLACE FUNCTION g_cube_consistent(internal,cube,int4)
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RETURNS bool
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C';
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CREATE OR REPLACE FUNCTION g_cube_compress(internal)
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RETURNS internal
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C';
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CREATE OR REPLACE FUNCTION g_cube_decompress(internal)
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RETURNS internal
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C';
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CREATE OR REPLACE FUNCTION g_cube_penalty(internal,internal,internal)
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RETURNS internal
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C' STRICT;
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CREATE OR REPLACE FUNCTION g_cube_picksplit(internal, internal)
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RETURNS internal
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C';
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CREATE OR REPLACE FUNCTION g_cube_union(internal, internal)
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RETURNS cube
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C';
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CREATE OR REPLACE FUNCTION g_cube_same(cube, cube, internal)
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RETURNS internal
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AS 'MODULE_PATHNAME'
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LANGUAGE 'C';
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-- Create the operator classes for indexing
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CREATE OPERATOR CLASS cube_ops
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DEFAULT FOR TYPE cube USING btree AS
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OPERATOR 1 < ,
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OPERATOR 2 <= ,
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OPERATOR 3 = ,
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OPERATOR 4 >= ,
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OPERATOR 5 > ,
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FUNCTION 1 cube_cmp(cube, cube);
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CREATE OPERATOR CLASS gist_cube_ops
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DEFAULT FOR TYPE cube USING gist AS
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OPERATOR 1 << ,
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OPERATOR 2 &< ,
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OPERATOR 3 && ,
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OPERATOR 4 &> ,
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OPERATOR 5 >> ,
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OPERATOR 6 = ,
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OPERATOR 7 @ ,
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OPERATOR 8 ~ ,
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FUNCTION 1 g_cube_consistent (internal, cube, int4),
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FUNCTION 2 g_cube_union (internal, internal),
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FUNCTION 3 g_cube_compress (internal),
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FUNCTION 4 g_cube_decompress (internal),
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FUNCTION 5 g_cube_penalty (internal, internal, internal),
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FUNCTION 6 g_cube_picksplit (internal, internal),
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FUNCTION 7 g_cube_same (cube, cube, internal);
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