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|
--------------------------------------------------------------------
-- BRIN support --
--------------------------------------------------------------------
--------------------------------
-- the Operators --
--------------------------------
CREATE FUNCTION spoint_overlaps_spherekey(spoint, spherekey)
RETURNS boolean
AS 'MODULE_PATHNAME', 'spoint_overlaps_spherekey'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE FUNCTION spoint_contains_spherekey(spoint, spherekey)
RETURNS boolean
AS 'MODULE_PATHNAME', 'spoint_contains_spherekey'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE FUNCTION spoint_iscontained_spherekey(spoint, spherekey)
RETURNS boolean
AS 'MODULE_PATHNAME', 'spoint_iscontained_spherekey'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE FUNCTION sbox_overlaps_spherekey(sbox, spherekey)
RETURNS boolean
AS 'MODULE_PATHNAME', 'sbox_overlaps_spherekey'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE FUNCTION sbox_contains_spherekey(sbox, spherekey)
RETURNS boolean
AS 'MODULE_PATHNAME', 'sbox_contains_spherekey'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE FUNCTION sbox_iscontained_spherekey(sbox, spherekey)
RETURNS boolean
AS 'MODULE_PATHNAME', 'sbox_iscontained_spherekey'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE FUNCTION spherekey_overlaps_spherekey(spherekey, spherekey)
RETURNS boolean
AS 'MODULE_PATHNAME', 'spherekey_overlaps_spherekey'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE FUNCTION spherekey_contains_spherekey(spherekey, spherekey)
RETURNS boolean
AS 'MODULE_PATHNAME', 'spherekey_contains_spherekey'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE FUNCTION spherekey_iscontained_spherekey(spherekey, spherekey)
RETURNS boolean
AS 'MODULE_PATHNAME', 'spoint_iscontained_spherekey'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OPERATOR && (
LEFTARG = spoint,
RIGHTARG = spherekey,
PROCEDURE = spoint_overlaps_spherekey,
COMMUTATOR = '&&',
RESTRICT = contsel,
JOIN = contjoinsel
);
COMMENT ON OPERATOR && (spoint, spherekey) IS
'true, if the spherical point overlaps a spherekey';
CREATE OPERATOR @> (
LEFTARG = spoint,
RIGHTARG = spherekey,
PROCEDURE = spoint_contains_spherekey,
COMMUTATOR = '<@',
RESTRICT = contsel,
JOIN = contjoinsel
);
COMMENT ON OPERATOR @> (spoint, spherekey) IS
'true, if the spherical point contains a spherekey - just needed to define the OpFamily';
CREATE OPERATOR <@ (
LEFTARG = spoint,
RIGHTARG = spherekey,
PROCEDURE = spoint_iscontained_spherekey,
COMMUTATOR = '@>',
RESTRICT = contsel,
JOIN = contjoinsel
);
COMMENT ON OPERATOR <@ (spoint, spherekey) IS
'true, if the spherical point is contained in a spherekey';
CREATE OPERATOR && (
LEFTARG = sbox,
RIGHTARG = spherekey,
PROCEDURE = sbox_overlaps_spherekey,
COMMUTATOR = '&&',
RESTRICT = contsel,
JOIN = contjoinsel
);
COMMENT ON OPERATOR && (sbox, spherekey) IS
'true, if the spherical box overlaps a spherekey';
CREATE OPERATOR @> (
LEFTARG = sbox,
RIGHTARG = spherekey,
PROCEDURE = sbox_contains_spherekey,
COMMUTATOR = '<@',
RESTRICT = contsel,
JOIN = contjoinsel
);
COMMENT ON OPERATOR @> (sbox, spherekey) IS
'true, if the spherical box contains a spherekey';
CREATE OPERATOR <@ (
LEFTARG = sbox,
RIGHTARG = spherekey,
PROCEDURE = sbox_iscontained_spherekey,
COMMUTATOR = '@>',
RESTRICT = contsel,
JOIN = contjoinsel
);
COMMENT ON OPERATOR <@ (sbox, spherekey) IS
'true, if the spherical box is contained in a spherekey';
CREATE OPERATOR && (
LEFTARG = spherekey,
RIGHTARG = spherekey,
PROCEDURE = spherekey_overlaps_spherekey,
COMMUTATOR = '&&',
RESTRICT = contsel,
JOIN = contjoinsel
);
COMMENT ON OPERATOR && (spherekey, spherekey) IS
'true, if the spherekey overlaps another spherekey';
CREATE OPERATOR @> (
LEFTARG = spherekey,
RIGHTARG = spherekey,
PROCEDURE = spherekey_contains_spherekey,
COMMUTATOR = '<@',
RESTRICT = contsel,
JOIN = contjoinsel
);
COMMENT ON OPERATOR @> (spoint, spherekey) IS
'true, if the spherekey contains another spherekey';
CREATE OPERATOR <@ (
LEFTARG = spherekey,
RIGHTARG = spherekey,
PROCEDURE = spherekey_iscontained_spherekey,
COMMUTATOR = '@>',
RESTRICT = contsel,
JOIN = contjoinsel
);
COMMENT ON OPERATOR <@ (spherekey, spherekey) IS
'true, if the spherical point is contained in another spherekey';
---------------------------------------------
-- create operators with crossed datatypes --
---------------------------------------------
CREATE FUNCTION spherekey_overlaps_spoint(spherekey, spoint)
RETURNS boolean
AS $$
SELECT $2 && $1;
$$ LANGUAGE SQL IMMUTABLE STRICT;
CREATE FUNCTION spherekey_contains_spoint(spherekey, spoint)
RETURNS boolean
AS $$
SELECT $2 <@ $1;
$$ LANGUAGE SQL IMMUTABLE STRICT;
CREATE FUNCTION spherekey_iscontained_spoint(spherekey, spoint)
RETURNS boolean
AS $$
SELECT $2 @> $1;
$$ LANGUAGE SQL IMMUTABLE STRICT;
CREATE FUNCTION spherekey_overlaps_sbox(spherekey, sbox)
RETURNS boolean
AS $$
SELECT $2 && $1;
$$ LANGUAGE SQL IMMUTABLE STRICT;
CREATE FUNCTION spherekey_contains_sbox(spherekey, sbox)
RETURNS boolean
AS $$
SELECT $2 <@ $1;
$$ LANGUAGE SQL IMMUTABLE STRICT;
CREATE FUNCTION spherekey_iscontained_sbox(spherekey, sbox)
RETURNS boolean
AS $$
SELECT $2 @> $1;
$$ LANGUAGE SQL IMMUTABLE STRICT;
CREATE OPERATOR && (
LEFTARG = spherekey,
RIGHTARG = spoint,
PROCEDURE = spherekey_overlaps_spoint,
COMMUTATOR = '&&',
RESTRICT = contsel,
JOIN = contjoinsel
);
COMMENT ON OPERATOR && (spherekey, spoint) IS
'true, if the spherekey overlaps a spoint';
CREATE OPERATOR @> (
LEFTARG = spherekey,
RIGHTARG = spoint,
PROCEDURE = spherekey_contains_spoint,
COMMUTATOR = '<@',
RESTRICT = contsel,
JOIN = contjoinsel
);
COMMENT ON OPERATOR @> (spherekey, spoint) IS
'true, if the spherekey contains a spherical point';
CREATE OPERATOR <@ (
LEFTARG = spherekey,
RIGHTARG = spoint,
PROCEDURE = spherekey_iscontained_spoint,
COMMUTATOR = '@>',
RESTRICT = contsel,
JOIN = contjoinsel
);
COMMENT ON OPERATOR <@ (spherekey, spoint) IS
'true, if the spherekey is contained in a spherical point - just needed to define the OpFamily';
CREATE OPERATOR && (
LEFTARG = spherekey,
RIGHTARG = sbox,
PROCEDURE = spherekey_overlaps_sbox,
COMMUTATOR = '&&',
RESTRICT = contsel,
JOIN = contjoinsel
);
COMMENT ON OPERATOR && (spherekey, sbox) IS
'true, if the spherekey overlaps a spherical point';
CREATE OPERATOR @> (
LEFTARG = spherekey,
RIGHTARG = sbox,
PROCEDURE = spherekey_contains_sbox,
COMMUTATOR = '<@',
RESTRICT = contsel,
JOIN = contjoinsel
);
COMMENT ON OPERATOR @> (spherekey, sbox) IS
'true, if the spherekey contains a spherical point';
CREATE OPERATOR <@ (
LEFTARG = spherekey,
RIGHTARG = sbox,
PROCEDURE = spherekey_iscontained_sbox,
COMMUTATOR = '@>',
RESTRICT = contsel,
JOIN = contjoinsel
);
COMMENT ON OPERATOR <@ (spherekey, sbox) IS
'true, if the spherekey is contained in a spherical point';
-------------------------------------------------
-- create operators that will actually be used --
-------------------------------------------------
CREATE FUNCTION spoint_overlaps_sbox(spoint, sbox)
RETURNS boolean
AS 'MODULE_PATHNAME', 'spoint_overlaps_sbox'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OPERATOR && (
LEFTARG = spoint,
RIGHTARG = sbox,
PROCEDURE = spoint_overlaps_sbox,
COMMUTATOR = '&&',
RESTRICT = contsel,
JOIN = contjoinsel
);
COMMENT ON OPERATOR && (spoint, sbox) IS
'true, if the spherical point overlaps a spherical box';
------------------------------------------------------------
-- Complementar operators, needed for OpFamily definition --
------------------------------------------------------------
CREATE FUNCTION sbox_overlaps_spoint(sbox, spoint)
RETURNS boolean
AS $$
SELECT $2 && $1;
$$ LANGUAGE SQL IMMUTABLE STRICT;
CREATE OPERATOR && (
LEFTARG = sbox,
RIGHTARG = spoint,
PROCEDURE = sbox_overlaps_spoint,
COMMUTATOR = '&&',
RESTRICT = contsel,
JOIN = contjoinsel
);
COMMENT ON OPERATOR && (sbox, spoint) IS
'true, if the spherical box overlaps a spherical point';
CREATE FUNCTION sbox_iscontained_spoint(sbox, spoint)
RETURNS boolean
AS 'MODULE_PATHNAME', 'sbox_iscontained_spoint'
LANGUAGE 'c' IMMUTABLE STRICT;
CREATE OPERATOR <@ (
LEFTARG = sbox,
RIGHTARG = spoint,
PROCEDURE = sbox_iscontained_spoint,
COMMUTATOR = '@>',
RESTRICT = contsel,
JOIN = contjoinsel
);
CREATE FUNCTION spoint_contains_sbox(spoint, sbox)
RETURNS boolean
AS $$
SELECT $2 <@ $1;
$$ LANGUAGE SQL IMMUTABLE STRICT;
CREATE OPERATOR @> (
LEFTARG = spoint,
RIGHTARG = sbox,
PROCEDURE = spoint_contains_sbox,
COMMUTATOR = '<@',
RESTRICT = contsel,
JOIN = contjoinsel
);
--------------------------------
-- the OpFamily --
--------------------------------
CREATE OPERATOR FAMILY brin_inclusion_spheric_ops USING brin;
CREATE OR REPLACE FUNCTION spoint_brin_inclusion_add_value(internal, internal, internal, internal)
RETURNS boolean
AS 'MODULE_PATHNAME','spoint_brin_inclusion_add_value'
LANGUAGE 'c';
CREATE OR REPLACE FUNCTION sbox_brin_inclusion_add_value(internal, internal, internal, internal)
RETURNS boolean
AS 'MODULE_PATHNAME','sbox_brin_inclusion_add_value'
LANGUAGE 'c';
CREATE OPERATOR CLASS brin_spoint_inclusion_ops
DEFAULT FOR TYPE spoint
USING brin
FAMILY brin_inclusion_spheric_ops AS
FUNCTION 1 brin_inclusion_opcinfo(internal) ,
FUNCTION 2 spoint_brin_inclusion_add_value(internal, internal, internal, internal) ,
FUNCTION 3 brin_inclusion_consistent(internal, internal, internal) ,
FUNCTION 4 brin_inclusion_union(internal, internal, internal) ,
STORAGE spherekey;
CREATE OPERATOR CLASS brin_sbox_inclusion_ops
DEFAULT FOR TYPE sbox
USING brin
FAMILY brin_inclusion_spheric_ops AS
FUNCTION 1 brin_inclusion_opcinfo(internal) ,
FUNCTION 2 sbox_brin_inclusion_add_value(internal, internal, internal, internal) ,
FUNCTION 3 brin_inclusion_consistent(internal, internal, internal) ,
FUNCTION 4 brin_inclusion_union(internal, internal, internal) ,
STORAGE spherekey;
ALTER OPERATOR FAMILY brin_inclusion_spheric_ops USING brin ADD
OPERATOR 3 &&(spherekey, spoint),
OPERATOR 7 @>(spherekey, spoint),
OPERATOR 8 <@(spherekey, spoint),
OPERATOR 3 &&(spoint, spherekey),
OPERATOR 7 @>(spoint, spherekey),
OPERATOR 8 <@(spoint, spherekey),
OPERATOR 3 &&(spherekey, sbox),
OPERATOR 7 @>(spherekey, sbox),
OPERATOR 8 <@(spherekey, sbox),
OPERATOR 3 &&(sbox, spherekey),
OPERATOR 7 @>(sbox, spherekey),
OPERATOR 8 <@(sbox, spherekey),
OPERATOR 3 &&(spherekey, spherekey),
OPERATOR 7 @>(spherekey, spherekey),
OPERATOR 8 <@(spherekey, spherekey),
OPERATOR 3 &&(spoint, sbox),
OPERATOR 3 &&(sbox, spoint),
OPERATOR 7 @>(sbox, spoint),
OPERATOR 7 @>(spoint, sbox),
OPERATOR 8 <@(sbox, spoint),
OPERATOR 8 <@(spoint, sbox),
OPERATOR 3 &&(sbox, sbox),
OPERATOR 7 @>(sbox, sbox),
OPERATOR 8 <@(sbox, sbox);
|
