diff options
Diffstat (limited to 'contrib/cube/cube--1.0--1.1.sql')
-rw-r--r-- | contrib/cube/cube--1.0--1.1.sql | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/contrib/cube/cube--1.0--1.1.sql b/contrib/cube/cube--1.0--1.1.sql new file mode 100644 index 0000000..fbe61e7 --- /dev/null +++ b/contrib/cube/cube--1.0--1.1.sql @@ -0,0 +1,59 @@ +/* contrib/cube/cube--1.0--1.1.sql */ + +-- complain if script is sourced in psql, rather than via ALTER EXTENSION +\echo Use "ALTER EXTENSION cube UPDATE TO '1.1'" to load this file. \quit + +CREATE FUNCTION distance_chebyshev(cube, cube) +RETURNS float8 +AS 'MODULE_PATHNAME' +LANGUAGE C IMMUTABLE STRICT; + +CREATE FUNCTION distance_taxicab(cube, cube) +RETURNS float8 +AS 'MODULE_PATHNAME' +LANGUAGE C IMMUTABLE STRICT; + +CREATE FUNCTION cube_coord(cube, int4) +RETURNS float8 +AS 'MODULE_PATHNAME' +LANGUAGE C IMMUTABLE STRICT; + +CREATE FUNCTION cube_coord_llur(cube, int4) +RETURNS float8 +AS 'MODULE_PATHNAME' +LANGUAGE C IMMUTABLE STRICT; + +CREATE OPERATOR -> ( + LEFTARG = cube, RIGHTARG = int, PROCEDURE = cube_coord +); + +CREATE OPERATOR ~> ( + LEFTARG = cube, RIGHTARG = int, PROCEDURE = cube_coord_llur +); + +CREATE OPERATOR <#> ( + LEFTARG = cube, RIGHTARG = cube, PROCEDURE = distance_taxicab, + COMMUTATOR = '<#>' +); + +CREATE OPERATOR <-> ( + LEFTARG = cube, RIGHTARG = cube, PROCEDURE = cube_distance, + COMMUTATOR = '<->' +); + +CREATE OPERATOR <=> ( + LEFTARG = cube, RIGHTARG = cube, PROCEDURE = distance_chebyshev, + COMMUTATOR = '<=>' +); + +CREATE FUNCTION g_cube_distance (internal, cube, smallint, oid) +RETURNS internal +AS 'MODULE_PATHNAME' +LANGUAGE C IMMUTABLE STRICT; + +ALTER OPERATOR FAMILY gist_cube_ops USING gist ADD + OPERATOR 15 ~> (cube, int) FOR ORDER BY float_ops, + OPERATOR 16 <#> (cube, cube) FOR ORDER BY float_ops, + OPERATOR 17 <-> (cube, cube) FOR ORDER BY float_ops, + OPERATOR 18 <=> (cube, cube) FOR ORDER BY float_ops, + FUNCTION 8 (cube, cube) g_cube_distance (internal, cube, smallint, oid); |