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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:19:15 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:19:15 +0000 |
commit | 6eb9c5a5657d1fe77b55cc261450f3538d35a94d (patch) | |
tree | 657d8194422a5daccecfd42d654b8a245ef7b4c8 /contrib/seg/seg--1.1.sql | |
parent | Initial commit. (diff) | |
download | postgresql-13-6eb9c5a5657d1fe77b55cc261450f3538d35a94d.tar.xz postgresql-13-6eb9c5a5657d1fe77b55cc261450f3538d35a94d.zip |
Adding upstream version 13.4.upstream/13.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | contrib/seg/seg--1.1.sql | 395 |
1 files changed, 395 insertions, 0 deletions
diff --git a/contrib/seg/seg--1.1.sql b/contrib/seg/seg--1.1.sql new file mode 100644 index 0000000..d95aabc --- /dev/null +++ b/contrib/seg/seg--1.1.sql @@ -0,0 +1,395 @@ +/* contrib/seg/seg--1.1.sql */ + +-- complain if script is sourced in psql, rather than via CREATE EXTENSION +\echo Use "CREATE EXTENSION seg" to load this file. \quit + +-- Create the user-defined type for 1-D floating point intervals (seg) + +CREATE FUNCTION seg_in(cstring) +RETURNS seg +AS 'MODULE_PATHNAME' +LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE; + +CREATE FUNCTION seg_out(seg) +RETURNS cstring +AS 'MODULE_PATHNAME' +LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE; + +CREATE TYPE seg ( + INTERNALLENGTH = 12, + INPUT = seg_in, + OUTPUT = seg_out +); + +COMMENT ON TYPE seg IS +'floating point interval ''FLOAT .. FLOAT'', ''.. FLOAT'', ''FLOAT ..'' or ''FLOAT'''; + +-- +-- External C-functions for R-tree methods +-- + +-- Left/Right methods + +CREATE FUNCTION seg_over_left(seg, seg) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE; + +COMMENT ON FUNCTION seg_over_left(seg, seg) IS +'overlaps or is left of'; + +CREATE FUNCTION seg_over_right(seg, seg) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE; + +COMMENT ON FUNCTION seg_over_right(seg, seg) IS +'overlaps or is right of'; + +CREATE FUNCTION seg_left(seg, seg) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE; + +COMMENT ON FUNCTION seg_left(seg, seg) IS +'is left of'; + +CREATE FUNCTION seg_right(seg, seg) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE; + +COMMENT ON FUNCTION seg_right(seg, seg) IS +'is right of'; + + +-- Scalar comparison methods + +CREATE FUNCTION seg_lt(seg, seg) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE; + +COMMENT ON FUNCTION seg_lt(seg, seg) IS +'less than'; + +CREATE FUNCTION seg_le(seg, seg) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE; + +COMMENT ON FUNCTION seg_le(seg, seg) IS +'less than or equal'; + +CREATE FUNCTION seg_gt(seg, seg) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE; + +COMMENT ON FUNCTION seg_gt(seg, seg) IS +'greater than'; + +CREATE FUNCTION seg_ge(seg, seg) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE; + +COMMENT ON FUNCTION seg_ge(seg, seg) IS +'greater than or equal'; + +CREATE FUNCTION seg_contains(seg, seg) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE; + +COMMENT ON FUNCTION seg_contains(seg, seg) IS +'contains'; + +CREATE FUNCTION seg_contained(seg, seg) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE; + +COMMENT ON FUNCTION seg_contained(seg, seg) IS +'contained in'; + +CREATE FUNCTION seg_overlap(seg, seg) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE; + +COMMENT ON FUNCTION seg_overlap(seg, seg) IS +'overlaps'; + +CREATE FUNCTION seg_same(seg, seg) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE; + +COMMENT ON FUNCTION seg_same(seg, seg) IS +'same as'; + +CREATE FUNCTION seg_different(seg, seg) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE; + +COMMENT ON FUNCTION seg_different(seg, seg) IS +'different'; + +-- support routines for indexing + +CREATE FUNCTION seg_cmp(seg, seg) +RETURNS int4 +AS 'MODULE_PATHNAME' +LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE; + +COMMENT ON FUNCTION seg_cmp(seg, seg) IS 'btree comparison function'; + +CREATE FUNCTION seg_union(seg, seg) +RETURNS seg +AS 'MODULE_PATHNAME' +LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE; + +CREATE FUNCTION seg_inter(seg, seg) +RETURNS seg +AS 'MODULE_PATHNAME' +LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE; + +CREATE FUNCTION seg_size(seg) +RETURNS float4 +AS 'MODULE_PATHNAME' +LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE; + +-- miscellaneous + +CREATE FUNCTION seg_center(seg) +RETURNS float4 +AS 'MODULE_PATHNAME' +LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE; + +CREATE FUNCTION seg_upper(seg) +RETURNS float4 +AS 'MODULE_PATHNAME' +LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE; + +CREATE FUNCTION seg_lower(seg) +RETURNS float4 +AS 'MODULE_PATHNAME' +LANGUAGE C STRICT IMMUTABLE PARALLEL SAFE; + + +-- +-- OPERATORS +-- + +CREATE OPERATOR < ( + LEFTARG = seg, + RIGHTARG = seg, + PROCEDURE = seg_lt, + COMMUTATOR = '>', + NEGATOR = '>=', + RESTRICT = scalarltsel, + JOIN = scalarltjoinsel +); + +CREATE OPERATOR <= ( + LEFTARG = seg, + RIGHTARG = seg, + PROCEDURE = seg_le, + COMMUTATOR = '>=', + NEGATOR = '>', + RESTRICT = scalarltsel, + JOIN = scalarltjoinsel +); + +CREATE OPERATOR > ( + LEFTARG = seg, + RIGHTARG = seg, + PROCEDURE = seg_gt, + COMMUTATOR = '<', + NEGATOR = '<=', + RESTRICT = scalargtsel, + JOIN = scalargtjoinsel +); + +CREATE OPERATOR >= ( + LEFTARG = seg, + RIGHTARG = seg, + PROCEDURE = seg_ge, + COMMUTATOR = '<=', + NEGATOR = '<', + RESTRICT = scalargtsel, + JOIN = scalargtjoinsel +); + +CREATE OPERATOR << ( + LEFTARG = seg, + RIGHTARG = seg, + PROCEDURE = seg_left, + COMMUTATOR = '>>', + RESTRICT = positionsel, + JOIN = positionjoinsel +); + +CREATE OPERATOR &< ( + LEFTARG = seg, + RIGHTARG = seg, + PROCEDURE = seg_over_left, + RESTRICT = positionsel, + JOIN = positionjoinsel +); + +CREATE OPERATOR && ( + LEFTARG = seg, + RIGHTARG = seg, + PROCEDURE = seg_overlap, + COMMUTATOR = '&&', + RESTRICT = areasel, + JOIN = areajoinsel +); + +CREATE OPERATOR &> ( + LEFTARG = seg, + RIGHTARG = seg, + PROCEDURE = seg_over_right, + RESTRICT = positionsel, + JOIN = positionjoinsel +); + +CREATE OPERATOR >> ( + LEFTARG = seg, + RIGHTARG = seg, + PROCEDURE = seg_right, + COMMUTATOR = '<<', + RESTRICT = positionsel, + JOIN = positionjoinsel +); + +CREATE OPERATOR = ( + LEFTARG = seg, + RIGHTARG = seg, + PROCEDURE = seg_same, + COMMUTATOR = '=', + NEGATOR = '<>', + RESTRICT = eqsel, + JOIN = eqjoinsel, + MERGES +); + +CREATE OPERATOR <> ( + LEFTARG = seg, + RIGHTARG = seg, + PROCEDURE = seg_different, + COMMUTATOR = '<>', + NEGATOR = '=', + RESTRICT = neqsel, + JOIN = neqjoinsel +); + +CREATE OPERATOR @> ( + LEFTARG = seg, + RIGHTARG = seg, + PROCEDURE = seg_contains, + COMMUTATOR = '<@', + RESTRICT = contsel, + JOIN = contjoinsel +); + +CREATE OPERATOR <@ ( + LEFTARG = seg, + RIGHTARG = seg, + PROCEDURE = seg_contained, + COMMUTATOR = '@>', + RESTRICT = contsel, + JOIN = contjoinsel +); + +-- obsolete: +CREATE OPERATOR @ ( + LEFTARG = seg, + RIGHTARG = seg, + PROCEDURE = seg_contains, + COMMUTATOR = '~', + RESTRICT = contsel, + JOIN = contjoinsel +); + +CREATE OPERATOR ~ ( + LEFTARG = seg, + RIGHTARG = seg, + PROCEDURE = seg_contained, + COMMUTATOR = '@', + RESTRICT = contsel, + JOIN = contjoinsel +); + + +-- define the GiST support methods +CREATE FUNCTION gseg_consistent(internal,seg,smallint,oid,internal) +RETURNS bool +AS 'MODULE_PATHNAME' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION gseg_compress(internal) +RETURNS internal +AS 'MODULE_PATHNAME' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION gseg_decompress(internal) +RETURNS internal +AS 'MODULE_PATHNAME' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION gseg_penalty(internal,internal,internal) +RETURNS internal +AS 'MODULE_PATHNAME' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION gseg_picksplit(internal, internal) +RETURNS internal +AS 'MODULE_PATHNAME' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION gseg_union(internal, internal) +RETURNS seg +AS 'MODULE_PATHNAME' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + +CREATE FUNCTION gseg_same(seg, seg, internal) +RETURNS internal +AS 'MODULE_PATHNAME' +LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE; + + +-- Create the operator classes for indexing + +CREATE OPERATOR CLASS seg_ops + DEFAULT FOR TYPE seg USING btree AS + OPERATOR 1 < , + OPERATOR 2 <= , + OPERATOR 3 = , + OPERATOR 4 >= , + OPERATOR 5 > , + FUNCTION 1 seg_cmp(seg, seg); + +CREATE OPERATOR CLASS gist_seg_ops +DEFAULT FOR TYPE seg USING gist +AS + OPERATOR 1 << , + OPERATOR 2 &< , + OPERATOR 3 && , + OPERATOR 4 &> , + OPERATOR 5 >> , + OPERATOR 6 = , + OPERATOR 7 @> , + OPERATOR 8 <@ , + OPERATOR 13 @ , + OPERATOR 14 ~ , + FUNCTION 1 gseg_consistent (internal, seg, smallint, oid, internal), + FUNCTION 2 gseg_union (internal, internal), + FUNCTION 3 gseg_compress (internal), + FUNCTION 4 gseg_decompress (internal), + FUNCTION 5 gseg_penalty (internal, internal, internal), + FUNCTION 6 gseg_picksplit (internal, internal), + FUNCTION 7 gseg_same (seg, seg, internal); 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