Spracherkennung für: .out vermutete Sprache: Unknown {[0] [0] [0]} [Methode: Schwerpunktbildung, einfache Gewichte, sechs Dimensionen]
--
-- Test cube datatype
--
CREATE EXTENSION cube;
-- Check whether any of our opclasses fail amvalidate
SELECT amname, opcname
FROM pg_opclass opc LEFT JOIN pg_am am ON am.oid = opcmethod
WHERE opc.oid >= 16384 AND NOT amvalidate(opc.oid);
amname | opcname
--------+---------
(0 rows)
--
-- testing the input and output functions
--
-- Any number (a one-dimensional point)
SELECT '1'::cube AS cube;
cube
------
(1)
(1 row)
SELECT '-1'::cube AS cube;
cube
------
(-1)
(1 row)
SELECT '1.'::cube AS cube;
cube
------
(1)
(1 row)
SELECT '-1.'::cube AS cube;
cube
------
(-1)
(1 row)
SELECT '.1'::cube AS cube;
cube
-------
(0.1)
(1 row)
SELECT '-.1'::cube AS cube;
cube
--------
(-0.1)
(1 row)
SELECT '1.0'::cube AS cube;
cube
------
(1)
(1 row)
SELECT '-1.0'::cube AS cube;
cube
------
(-1)
(1 row)
SELECT 'infinity'::cube AS cube;
cube
------------
(Infinity)
(1 row)
SELECT '-infinity'::cube AS cube;
cube
-------------
(-Infinity)
(1 row)
SELECT 'NaN'::cube AS cube;
cube
-------
(NaN)
(1 row)
SELECT '.1234567890123456'::cube AS cube;
cube
----------------------
(0.1234567890123456)
(1 row)
SELECT '+.1234567890123456'::cube AS cube;
cube
----------------------
(0.1234567890123456)
(1 row)
SELECT '-.1234567890123456'::cube AS cube;
cube
-----------------------
(-0.1234567890123456)
(1 row)
-- simple lists (points)
SELECT '()'::cube AS cube;
cube
------
()
(1 row)
SELECT '1,2'::cube AS cube;
cube
--------
(1, 2)
(1 row)
SELECT '(1,2)'::cube AS cube;
cube
--------
(1, 2)
(1 row)
SELECT '1,2,3,4,5'::cube AS cube;
cube
-----------------
(1, 2, 3, 4, 5)
(1 row)
SELECT '(1,2,3,4,5)'::cube AS cube;
cube
-----------------
(1, 2, 3, 4, 5)
(1 row)
-- double lists (cubes)
SELECT '(),()'::cube AS cube;
cube
------
()
(1 row)
SELECT '(0),(0)'::cube AS cube;
cube
------
(0)
(1 row)
SELECT '(0),(1)'::cube AS cube;
cube
---------
(0),(1)
(1 row)
SELECT '[(0),(0)]'::cube AS cube;
cube
------
(0)
(1 row)
SELECT '[(0),(1)]'::cube AS cube;
cube
---------
(0),(1)
(1 row)
SELECT '(0,0,0,0),(0,0,0,0)'::cube AS cube;
cube
--------------
(0, 0, 0, 0)
(1 row)
SELECT '(0,0,0,0),(1,0,0,0)'::cube AS cube;
cube
---------------------------
(0, 0, 0, 0),(1, 0, 0, 0)
(1 row)
SELECT '[(0,0,0,0),(0,0,0,0)]'::cube AS cube;
cube
--------------
(0, 0, 0, 0)
(1 row)
SELECT '[(0,0,0,0),(1,0,0,0)]'::cube AS cube;
cube
---------------------------
(0, 0, 0, 0),(1, 0, 0, 0)
(1 row)
-- invalid input: parse errors
SELECT ''::cube AS cube;
ERROR: invalid input syntax for cube
LINE 1: SELECT ''::cube AS cube;
^
DETAIL: syntax error at end of input
SELECT 'ABC'::cube AS cube;
ERROR: invalid input syntax for cube
LINE 1: SELECT 'ABC'::cube AS cube;
^
DETAIL: syntax error at or near "A"
SELECT '[]'::cube AS cube;
ERROR: invalid input syntax for cube
LINE 1: SELECT '[]'::cube AS cube;
^
DETAIL: syntax error at or near "]"
SELECT '[()]'::cube AS cube;
ERROR: invalid input syntax for cube
LINE 1: SELECT '[()]'::cube AS cube;
^
DETAIL: syntax error at or near "]"
SELECT '[(1)]'::cube AS cube;
ERROR: invalid input syntax for cube
LINE 1: SELECT '[(1)]'::cube AS cube;
^
DETAIL: syntax error at or near "]"
SELECT '[(1),]'::cube AS cube;
ERROR: invalid input syntax for cube
LINE 1: SELECT '[(1),]'::cube AS cube;
^
DETAIL: syntax error at or near "]"
SELECT '[(1),2]'::cube AS cube;
ERROR: invalid input syntax for cube
LINE 1: SELECT '[(1),2]'::cube AS cube;
^
DETAIL: syntax error at or near "2"
SELECT '[(1),(2),(3)]'::cube AS cube;
ERROR: invalid input syntax for cube
LINE 1: SELECT '[(1),(2),(3)]'::cube AS cube;
^
DETAIL: syntax error at or near ","
SELECT '1,'::cube AS cube;
ERROR: invalid input syntax for cube
LINE 1: SELECT '1,'::cube AS cube;
^
DETAIL: syntax error at end of input
SELECT '1,2,'::cube AS cube;
ERROR: invalid input syntax for cube
LINE 1: SELECT '1,2,'::cube AS cube;
^
DETAIL: syntax error at end of input
SELECT '1,,2'::cube AS cube;
ERROR: invalid input syntax for cube
LINE 1: SELECT '1,,2'::cube AS cube;
^
DETAIL: syntax error at or near ","
SELECT '(1,)'::cube AS cube;
ERROR: invalid input syntax for cube
LINE 1: SELECT '(1,)'::cube AS cube;
^
DETAIL: syntax error at or near ")"
SELECT '(1,2,)'::cube AS cube;
ERROR: invalid input syntax for cube
LINE 1: SELECT '(1,2,)'::cube AS cube;
^
DETAIL: syntax error at or near ")"
SELECT '(1,,2)'::cube AS cube;
ERROR: invalid input syntax for cube
LINE 1: SELECT '(1,,2)'::cube AS cube;
^
DETAIL: syntax error at or near ","
-- invalid input: semantic errors and trailing garbage
SELECT '[(1),(2)],'::cube AS cube; -- 0
ERROR: invalid input syntax for cube
LINE 1: SELECT '[(1),(2)],'::cube AS cube;
^
DETAIL: syntax error at or near ","
SELECT '[(1,2,3),(2,3)]'::cube AS cube; -- 1
ERROR: invalid input syntax for cube
LINE 1: SELECT '[(1,2,3),(2,3)]'::cube AS cube;
^
DETAIL: Different point dimensions in (1,2,3) and (2,3).
SELECT '[(1,2),(1,2,3)]'::cube AS cube; -- 1
ERROR: invalid input syntax for cube
LINE 1: SELECT '[(1,2),(1,2,3)]'::cube AS cube;
^
DETAIL: Different point dimensions in (1,2) and (1,2,3).
SELECT '(1),(2),'::cube AS cube; -- 2
ERROR: invalid input syntax for cube
LINE 1: SELECT '(1),(2),'::cube AS cube;
^
DETAIL: syntax error at or near ","
SELECT '(1,2,3),(2,3)'::cube AS cube; -- 3
ERROR: invalid input syntax for cube
LINE 1: SELECT '(1,2,3),(2,3)'::cube AS cube;
^
DETAIL: Different point dimensions in (1,2,3) and (2,3).
SELECT '(1,2),(1,2,3)'::cube AS cube; -- 3
ERROR: invalid input syntax for cube
LINE 1: SELECT '(1,2),(1,2,3)'::cube AS cube;
^
DETAIL: Different point dimensions in (1,2) and (1,2,3).
SELECT '(1,2,3)ab'::cube AS cube; -- 4
ERROR: invalid input syntax for cube
LINE 1: SELECT '(1,2,3)ab'::cube AS cube;
^
DETAIL: syntax error at or near "a"
SELECT '(1,2,3)a'::cube AS cube; -- 5
ERROR: invalid input syntax for cube
LINE 1: SELECT '(1,2,3)a'::cube AS cube;
^
DETAIL: syntax error at or near "a"
SELECT '(1,2)('::cube AS cube; -- 5
ERROR: invalid input syntax for cube
LINE 1: SELECT '(1,2)('::cube AS cube;
^
DETAIL: syntax error at or near "("
SELECT '1,2ab'::cube AS cube; -- 6
ERROR: invalid input syntax for cube
LINE 1: SELECT '1,2ab'::cube AS cube;
^
DETAIL: syntax error at or near "a"
SELECT '1 e7'::cube AS cube; -- 6
ERROR: invalid input syntax for cube
LINE 1: SELECT '1 e7'::cube AS cube;
^
DETAIL: syntax error at or near "e"
SELECT '1,2a'::cube AS cube; -- 7
ERROR: invalid input syntax for cube
LINE 1: SELECT '1,2a'::cube AS cube;
^
DETAIL: syntax error at or near "a"
SELECT '1..2'::cube AS cube; -- 7
ERROR: invalid input syntax for cube
LINE 1: SELECT '1..2'::cube AS cube;
^
DETAIL: syntax error at or near ".2"
SELECT '-1e-700'::cube AS cube; -- out of range
ERROR: "-1e-700" is out of range for type double precision
LINE 1: SELECT '-1e-700'::cube AS cube;
^
-- Also try it with non-error-throwing API
SELECT pg_input_is_valid('(1,2)', 'cube');
pg_input_is_valid
-------------------
t
(1 row)
SELECT pg_input_is_valid('[(1),]', 'cube');
pg_input_is_valid
-------------------
f
(1 row)
SELECT pg_input_is_valid('-1e-700', 'cube');
pg_input_is_valid
-------------------
f
(1 row)
SELECT * FROM pg_input_error_info('-1e-700', 'cube');
message | detail | hint | sql_error_code
-----------------------------------------------------+--------+------+----------------
"-1e-700" is out of range for type double precision | | | 22003
(1 row)
--
-- Testing building cubes from float8 values
--
SELECT cube(0::float8);
cube
------
(0)
(1 row)
SELECT cube(1::float8);
cube
------
(1)
(1 row)
SELECT cube(1,2);
cube
---------
(1),(2)
(1 row)
SELECT cube(cube(1,2),3);
cube
---------------
(1, 3),(2, 3)
(1 row)
SELECT cube(cube(1,2),3,4);
cube
---------------
(1, 3),(2, 4)
(1 row)
SELECT cube(cube(cube(1,2),3,4),5);
cube
---------------------
(1, 3, 5),(2, 4, 5)
(1 row)
SELECT cube(cube(cube(1,2),3,4),5,6);
cube
---------------------
(1, 3, 5),(2, 4, 6)
(1 row)
--
-- Test that the text -> cube cast was installed.
--
SELECT '(0)'::text::cube;
cube
------
(0)
(1 row)
--
-- Test the float[] -> cube cast
--
SELECT cube('{0,1,2}'::float[], '{3,4,5}'::float[]);
cube
---------------------
(0, 1, 2),(3, 4, 5)
(1 row)
SELECT cube('{0,1,2}'::float[], '{3}'::float[]);
ERROR: UR and LL arrays must be of same length
SELECT cube(NULL::float[], '{3}'::float[]);
cube
------
(1 row)
SELECT cube('{0,1,2}'::float[]);
cube
-----------
(0, 1, 2)
(1 row)
SELECT cube_subset(cube('(1,3,5),(6,7,8)'), ARRAY[3,2,1,1]);
cube_subset
---------------------------
(5, 3, 1, 1),(8, 7, 6, 6)
(1 row)
SELECT cube_subset(cube('(1,3,5),(1,3,5)'), ARRAY[3,2,1,1]);
cube_subset
--------------
(5, 3, 1, 1)
(1 row)
SELECT cube_subset(cube('(1,3,5),(6,7,8)'), ARRAY[4,0]);
ERROR: Index out of bounds
SELECT cube_subset(cube('(6,7,8),(6,7,8)'), ARRAY[4,0]);
ERROR: Index out of bounds
-- test for limits: this should pass
SELECT cube_subset(cube('(6,7,8),(6,7,8)'), array(SELECT 1 as a FROM generate_series(1,100)));
cube_subset
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
(6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6)
(1 row)
-- and this should fail
SELECT cube_subset(cube('(6,7,8),(6,7,8)'), array(SELECT 1 as a FROM generate_series(1,101)));
ERROR: array is too long
DETAIL: A cube cannot have more than 100 dimensions.
--
-- Test point processing
--
SELECT cube('(1,2),(1,2)'); -- cube_in
cube
--------
(1, 2)
(1 row)
SELECT cube('{0,1,2}'::float[], '{0,1,2}'::float[]); -- cube_a_f8_f8
cube
-----------
(0, 1, 2)
(1 row)
SELECT cube('{5,6,7,8}'::float[]); -- cube_a_f8
cube
--------------
(5, 6, 7, 8)
(1 row)
SELECT cube(1.37); -- cube_f8
cube
--------
(1.37)
(1 row)
SELECT cube(1.37, 1.37); -- cube_f8_f8
cube
--------
(1.37)
(1 row)
SELECT cube(cube(1,1), 42); -- cube_c_f8
cube
---------
(1, 42)
(1 row)
SELECT cube(cube(1,2), 42); -- cube_c_f8
cube
-----------------
(1, 42),(2, 42)
(1 row)
SELECT cube(cube(1,1), 42, 42); -- cube_c_f8_f8
cube
---------
(1, 42)
(1 row)
SELECT cube(cube(1,1), 42, 24); -- cube_c_f8_f8
cube
-----------------
(1, 42),(1, 24)
(1 row)
SELECT cube(cube(1,2), 42, 42); -- cube_c_f8_f8
cube
-----------------
(1, 42),(2, 42)
(1 row)
SELECT cube(cube(1,2), 42, 24); -- cube_c_f8_f8
cube
-----------------
(1, 42),(2, 24)
(1 row)
--
-- Testing limit of CUBE_MAX_DIM dimensions check in cube_in.
--
-- create too big cube from literal
select '(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)'::cube;
ERROR: invalid input syntax for cube
LINE 1: select '(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0...
^
DETAIL: A cube cannot have more than 100 dimensions.
select '(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)'::cube;
ERROR: invalid input syntax for cube
LINE 1: select '(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0...
^
DETAIL: A cube cannot have more than 100 dimensions.
-- from an array
select cube(array(SELECT 0 as a FROM generate_series(1,101)));
ERROR: array is too long
DETAIL: A cube cannot have more than 100 dimensions.
select cube(array(SELECT 0 as a FROM generate_series(1,101)),array(SELECT 0 as a FROM generate_series(1,101)));
ERROR: can't extend cube
DETAIL: A cube cannot have more than 100 dimensions.
-- extend cube beyond limit
-- this should work
select cube(array(SELECT 0 as a FROM generate_series(1,100)));
cube
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
(1 row)
select cube(array(SELECT 0 as a FROM generate_series(1,100)),array(SELECT 0 as a FROM generate_series(1,100)));
cube
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
(1 row)
-- this should fail
select cube(cube(array(SELECT 0 as a FROM generate_series(1,100))), 0);
ERROR: can't extend cube
DETAIL: A cube cannot have more than 100 dimensions.
select cube(cube(array(SELECT 0 as a FROM generate_series(1,100)),array(SELECT 0 as a FROM generate_series(1,100))), 0, 0);
ERROR: can't extend cube
DETAIL: A cube cannot have more than 100 dimensions.
--
-- testing the operators
--
-- equality/inequality:
--
SELECT '24, 33.20'::cube = '24, 33.20'::cube AS bool;
bool
------
t
(1 row)
SELECT '24, 33.20'::cube != '24, 33.20'::cube AS bool;
bool
------
f
(1 row)
SELECT '24, 33.20'::cube = '24, 33.21'::cube AS bool;
bool
------
f
(1 row)
SELECT '24, 33.20'::cube != '24, 33.21'::cube AS bool;
bool
------
t
(1 row)
SELECT '(2,0),(3,1)'::cube = '(2,0,0,0,0),(3,1,0,0,0)'::cube AS bool;
bool
------
f
(1 row)
SELECT '(2,0),(3,1)'::cube = '(2,0,0,0,0),(3,1,0,0,1)'::cube AS bool;
bool
------
f
(1 row)
-- "lower than" / "greater than"
-- (these operators are not useful for anything but ordering)
--
SELECT '1'::cube > '2'::cube AS bool;
bool
------
f
(1 row)
SELECT '1'::cube < '2'::cube AS bool;
bool
------
t
(1 row)
SELECT '1,1'::cube > '1,2'::cube AS bool;
bool
------
f
(1 row)
SELECT '1,1'::cube < '1,2'::cube AS bool;
bool
------
t
(1 row)
SELECT '(2,0),(3,1)'::cube > '(2,0,0,0,0),(3,1,0,0,1)'::cube AS bool;
bool
------
f
(1 row)
SELECT '(2,0),(3,1)'::cube < '(2,0,0,0,0),(3,1,0,0,1)'::cube AS bool;
bool
------
t
(1 row)
SELECT '(2,0),(3,1)'::cube > '(2,0,0,0,1),(3,1,0,0,0)'::cube AS bool;
bool
------
f
(1 row)
SELECT '(2,0),(3,1)'::cube < '(2,0,0,0,1),(3,1,0,0,0)'::cube AS bool;
bool
------
t
(1 row)
SELECT '(2,0),(3,1)'::cube > '(2,0,0,0,0),(3,1,0,0,0)'::cube AS bool;
bool
------
f
(1 row)
SELECT '(2,0),(3,1)'::cube < '(2,0,0,0,0),(3,1,0,0,0)'::cube AS bool;
bool
------
t
(1 row)
SELECT '(2,0,0,0,0),(3,1,0,0,1)'::cube > '(2,0),(3,1)'::cube AS bool;
bool
------
t
(1 row)
SELECT '(2,0,0,0,0),(3,1,0,0,1)'::cube < '(2,0),(3,1)'::cube AS bool;
bool
------
f
(1 row)
SELECT '(2,0,0,0,1),(3,1,0,0,0)'::cube > '(2,0),(3,1)'::cube AS bool;
bool
------
t
(1 row)
SELECT '(2,0,0,0,1),(3,1,0,0,0)'::cube < '(2,0),(3,1)'::cube AS bool;
bool
------
f
(1 row)
SELECT '(2,0,0,0,0),(3,1,0,0,0)'::cube > '(2,0),(3,1)'::cube AS bool;
bool
------
t
(1 row)
SELECT '(2,0,0,0,0),(3,1,0,0,0)'::cube < '(2,0),(3,1)'::cube AS bool;
bool
------
f
(1 row)
-- "overlap"
--
SELECT '1'::cube && '1'::cube AS bool;
bool
------
t
(1 row)
SELECT '1'::cube && '2'::cube AS bool;
bool
------
f
(1 row)
SELECT '[(-1,-1,-1),(1,1,1)]'::cube && '0'::cube AS bool;
bool
------
t
(1 row)
SELECT '[(-1,-1,-1),(1,1,1)]'::cube && '1'::cube AS bool;
bool
------
t
(1 row)
SELECT '[(-1,-1,-1),(1,1,1)]'::cube && '1,1,1'::cube AS bool;
bool
------
t
(1 row)
SELECT '[(-1,-1,-1),(1,1,1)]'::cube && '[(1,1,1),(2,2,2)]'::cube AS bool;
bool
------
t
(1 row)
SELECT '[(-1,-1,-1),(1,1,1)]'::cube && '[(1,1),(2,2)]'::cube AS bool;
bool
------
t
(1 row)
SELECT '[(-1,-1,-1),(1,1,1)]'::cube && '[(2,1,1),(2,2,2)]'::cube AS bool;
bool
------
f
(1 row)
-- "contained in" (the left operand is the cube entirely enclosed by
-- the right operand):
--
SELECT '0'::cube <@ '0'::cube AS bool;
bool
------
t
(1 row)
SELECT '0,0,0'::cube <@ '0,0,0'::cube AS bool;
bool
------
t
(1 row)
SELECT '0,0'::cube <@ '0,0,1'::cube AS bool;
bool
------
t
(1 row)
SELECT '0,0,0'::cube <@ '0,0,1'::cube AS bool;
bool
------
f
(1 row)
SELECT '1,0,0'::cube <@ '0,0,1'::cube AS bool;
bool
------
f
(1 row)
SELECT '(1,0,0),(0,0,1)'::cube <@ '(1,0,0),(0,0,1)'::cube AS bool;
bool
------
t
(1 row)
SELECT '(1,0,0),(0,0,1)'::cube <@ '(-1,-1,-1),(1,1,1)'::cube AS bool;
bool
------
t
(1 row)
SELECT '(1,0,0),(0,0,1)'::cube <@ '(-1,-1,-1,-1),(1,1,1,1)'::cube AS bool;
bool
------
t
(1 row)
SELECT '0'::cube <@ '(-1),(1)'::cube AS bool;
bool
------
t
(1 row)
SELECT '1'::cube <@ '(-1),(1)'::cube AS bool;
bool
------
t
(1 row)
SELECT '-1'::cube <@ '(-1),(1)'::cube AS bool;
bool
------
t
(1 row)
SELECT '(-1),(1)'::cube <@ '(-1),(1)'::cube AS bool;
bool
------
t
(1 row)
SELECT '(-1),(1)'::cube <@ '(-1,-1),(1,1)'::cube AS bool;
bool
------
t
(1 row)
SELECT '(-2),(1)'::cube <@ '(-1),(1)'::cube AS bool;
bool
------
f
(1 row)
SELECT '(-2),(1)'::cube <@ '(-1,-1),(1,1)'::cube AS bool;
bool
------
f
(1 row)
-- "contains" (the left operand is the cube that entirely encloses the
-- right operand)
--
SELECT '0'::cube @> '0'::cube AS bool;
bool
------
t
(1 row)
SELECT '0,0,0'::cube @> '0,0,0'::cube AS bool;
bool
------
t
(1 row)
SELECT '0,0,1'::cube @> '0,0'::cube AS bool;
bool
------
t
(1 row)
SELECT '0,0,1'::cube @> '0,0,0'::cube AS bool;
bool
------
f
(1 row)
SELECT '0,0,1'::cube @> '1,0,0'::cube AS bool;
bool
------
f
(1 row)
SELECT '(1,0,0),(0,0,1)'::cube @> '(1,0,0),(0,0,1)'::cube AS bool;
bool
------
t
(1 row)
SELECT '(-1,-1,-1),(1,1,1)'::cube @> '(1,0,0),(0,0,1)'::cube AS bool;
bool
------
t
(1 row)
SELECT '(-1,-1,-1,-1),(1,1,1,1)'::cube @> '(1,0,0),(0,0,1)'::cube AS bool;
bool
------
t
(1 row)
SELECT '(-1),(1)'::cube @> '0'::cube AS bool;
bool
------
t
(1 row)
SELECT '(-1),(1)'::cube @> '1'::cube AS bool;
bool
------
t
(1 row)
SELECT '(-1),(1)'::cube @> '-1'::cube AS bool;
bool
------
t
(1 row)
SELECT '(-1),(1)'::cube @> '(-1),(1)'::cube AS bool;
bool
------
t
(1 row)
SELECT '(-1,-1),(1,1)'::cube @> '(-1),(1)'::cube AS bool;
bool
------
t
(1 row)
SELECT '(-1),(1)'::cube @> '(-2),(1)'::cube AS bool;
bool
------
f
(1 row)
SELECT '(-1,-1),(1,1)'::cube @> '(-2),(1)'::cube AS bool;
bool
------
f
(1 row)
-- Test of distance function
--
SELECT cube_distance('(0)'::cube,'(2,2,2,2)'::cube);
cube_distance
---------------
4
(1 row)
SELECT cube_distance('(0)'::cube,'(.3,.4)'::cube);
cube_distance
---------------
0.5
(1 row)
SELECT cube_distance('(2,3,4)'::cube,'(2,3,4)'::cube);
cube_distance
---------------
0
(1 row)
SELECT cube_distance('(42,42,42,42)'::cube,'(137,137,137,137)'::cube);
cube_distance
---------------
190
(1 row)
SELECT cube_distance('(42,42,42)'::cube,'(137,137)'::cube);
cube_distance
--------------------
140.76221083799445
(1 row)
-- Test of cube function (text to cube)
--
SELECT cube('(1,1.2)'::text);
cube
----------
(1, 1.2)
(1 row)
SELECT cube(NULL);
cube
------
(1 row)
-- Test of cube_dim function (dimensions stored in cube)
--
SELECT cube_dim('(0)'::cube);
cube_dim
----------
1
(1 row)
SELECT cube_dim('(0,0)'::cube);
cube_dim
----------
2
(1 row)
SELECT cube_dim('(0,0,0)'::cube);
cube_dim
----------
3
(1 row)
SELECT cube_dim('(42,42,42),(42,42,42)'::cube);
cube_dim
----------
3
(1 row)
SELECT cube_dim('(4,8,15,16,23),(4,8,15,16,23)'::cube);
cube_dim
----------
5
(1 row)
-- Test of cube_ll_coord function (retrieves LL coordinate values)
--
SELECT cube_ll_coord('(-1,1),(2,-2)'::cube, 1);
cube_ll_coord
---------------
-1
(1 row)
SELECT cube_ll_coord('(-1,1),(2,-2)'::cube, 2);
cube_ll_coord
---------------
-2
(1 row)
SELECT cube_ll_coord('(-1,1),(2,-2)'::cube, 3);
cube_ll_coord
---------------
0
(1 row)
SELECT cube_ll_coord('(1,2),(1,2)'::cube, 1);
cube_ll_coord
---------------
1
(1 row)
SELECT cube_ll_coord('(1,2),(1,2)'::cube, 2);
cube_ll_coord
---------------
2
(1 row)
SELECT cube_ll_coord('(1,2),(1,2)'::cube, 3);
cube_ll_coord
---------------
0
(1 row)
SELECT cube_ll_coord('(42,137)'::cube, 1);
cube_ll_coord
---------------
42
(1 row)
SELECT cube_ll_coord('(42,137)'::cube, 2);
cube_ll_coord
---------------
137
(1 row)
SELECT cube_ll_coord('(42,137)'::cube, 3);
cube_ll_coord
---------------
0
(1 row)
-- Test of cube_ur_coord function (retrieves UR coordinate values)
--
SELECT cube_ur_coord('(-1,1),(2,-2)'::cube, 1);
cube_ur_coord
---------------
2
(1 row)
SELECT cube_ur_coord('(-1,1),(2,-2)'::cube, 2);
cube_ur_coord
---------------
1
(1 row)
SELECT cube_ur_coord('(-1,1),(2,-2)'::cube, 3);
cube_ur_coord
---------------
0
(1 row)
SELECT cube_ur_coord('(1,2),(1,2)'::cube, 1);
cube_ur_coord
---------------
1
(1 row)
SELECT cube_ur_coord('(1,2),(1,2)'::cube, 2);
cube_ur_coord
---------------
2
(1 row)
SELECT cube_ur_coord('(1,2),(1,2)'::cube, 3);
cube_ur_coord
---------------
0
(1 row)
SELECT cube_ur_coord('(42,137)'::cube, 1);
cube_ur_coord
---------------
42
(1 row)
SELECT cube_ur_coord('(42,137)'::cube, 2);
cube_ur_coord
---------------
137
(1 row)
SELECT cube_ur_coord('(42,137)'::cube, 3);
cube_ur_coord
---------------
0
(1 row)
-- Test of cube_is_point
--
SELECT cube_is_point('(0)'::cube);
cube_is_point
---------------
t
(1 row)
SELECT cube_is_point('(0,1,2)'::cube);
cube_is_point
---------------
t
(1 row)
SELECT cube_is_point('(0,1,2),(0,1,2)'::cube);
cube_is_point
---------------
t
(1 row)
SELECT cube_is_point('(0,1,2),(-1,1,2)'::cube);
cube_is_point
---------------
f
(1 row)
SELECT cube_is_point('(0,1,2),(0,-1,2)'::cube);
cube_is_point
---------------
f
(1 row)
SELECT cube_is_point('(0,1,2),(0,1,-2)'::cube);
cube_is_point
---------------
f
(1 row)
-- Test of cube_enlarge (enlarging and shrinking cubes)
--
SELECT cube_enlarge('(0)'::cube, 0, 0);
cube_enlarge
--------------
(0)
(1 row)
SELECT cube_enlarge('(0)'::cube, 0, 1);
cube_enlarge
--------------
(0)
(1 row)
SELECT cube_enlarge('(0)'::cube, 0, 2);
cube_enlarge
--------------
(0)
(1 row)
SELECT cube_enlarge('(2),(-2)'::cube, 0, 4);
cube_enlarge
--------------
(-2),(2)
(1 row)
SELECT cube_enlarge('(0)'::cube, 1, 0);
cube_enlarge
--------------
(-1),(1)
(1 row)
SELECT cube_enlarge('(0)'::cube, 1, 1);
cube_enlarge
--------------
(-1),(1)
(1 row)
SELECT cube_enlarge('(0)'::cube, 1, 2);
cube_enlarge
-----------------
(-1, -1),(1, 1)
(1 row)
SELECT cube_enlarge('(2),(-2)'::cube, 1, 4);
cube_enlarge
-------------------------------
(-3, -1, -1, -1),(3, 1, 1, 1)
(1 row)
SELECT cube_enlarge('(0)'::cube, -1, 0);
cube_enlarge
--------------
(0)
(1 row)
SELECT cube_enlarge('(0)'::cube, -1, 1);
cube_enlarge
--------------
(0)
(1 row)
SELECT cube_enlarge('(0)'::cube, -1, 2);
cube_enlarge
--------------
(0)
(1 row)
SELECT cube_enlarge('(2),(-2)'::cube, -1, 4);
cube_enlarge
--------------
(-1),(1)
(1 row)
SELECT cube_enlarge('(0,0,0)'::cube, 1, 0);
cube_enlarge
------------------------
(-1, -1, -1),(1, 1, 1)
(1 row)
SELECT cube_enlarge('(0,0,0)'::cube, 1, 2);
cube_enlarge
------------------------
(-1, -1, -1),(1, 1, 1)
(1 row)
SELECT cube_enlarge('(2,-2),(-3,7)'::cube, 1, 2);
cube_enlarge
-----------------
(-4, -3),(3, 8)
(1 row)
SELECT cube_enlarge('(2,-2),(-3,7)'::cube, 3, 2);
cube_enlarge
------------------
(-6, -5),(5, 10)
(1 row)
SELECT cube_enlarge('(2,-2),(-3,7)'::cube, -1, 2);
cube_enlarge
-----------------
(-2, -1),(1, 6)
(1 row)
SELECT cube_enlarge('(2,-2),(-3,7)'::cube, -3, 2);
cube_enlarge
---------------------
(-0.5, 1),(-0.5, 4)
(1 row)
SELECT cube_enlarge('(42,-23,-23),(42,23,23)'::cube, -23, 5);
cube_enlarge
--------------
(42, 0, 0)
(1 row)
SELECT cube_enlarge('(42,-23,-23),(42,23,23)'::cube, -24, 5);
cube_enlarge
--------------
(42, 0, 0)
(1 row)
-- Test of cube_union (MBR for two cubes)
--
SELECT cube_union('(1,2),(3,4)'::cube, '(5,6,7),(8,9,10)'::cube);
cube_union
----------------------
(1, 2, 0),(8, 9, 10)
(1 row)
SELECT cube_union('(1,2)'::cube, '(4,2,0,0)'::cube);
cube_union
---------------------------
(1, 2, 0, 0),(4, 2, 0, 0)
(1 row)
SELECT cube_union('(1,2),(1,2)'::cube, '(4,2),(4,2)'::cube);
cube_union
---------------
(1, 2),(4, 2)
(1 row)
SELECT cube_union('(1,2),(1,2)'::cube, '(1,2),(1,2)'::cube);
cube_union
------------
(1, 2)
(1 row)
SELECT cube_union('(1,2),(1,2)'::cube, '(1,2,0),(1,2,0)'::cube);
cube_union
------------
(1, 2, 0)
(1 row)
-- Test of cube_inter
--
SELECT cube_inter('(1,2),(10,11)'::cube, '(3,4), (16,15)'::cube); -- intersects
cube_inter
-----------------
(3, 4),(10, 11)
(1 row)
SELECT cube_inter('(1,2),(10,11)'::cube, '(3,4), (6,5)'::cube); -- includes
cube_inter
---------------
(3, 4),(6, 5)
(1 row)
SELECT cube_inter('(1,2),(10,11)'::cube, '(13,14), (16,15)'::cube); -- no intersection
cube_inter
-------------------
(13, 14),(10, 11)
(1 row)
SELECT cube_inter('(1,2),(10,11)'::cube, '(3,14), (16,15)'::cube); -- no intersection, but one dimension intersects
cube_inter
------------------
(3, 14),(10, 11)
(1 row)
SELECT cube_inter('(1,2),(10,11)'::cube, '(10,11), (16,15)'::cube); -- point intersection
cube_inter
------------
(10, 11)
(1 row)
SELECT cube_inter('(1,2,3)'::cube, '(1,2,3)'::cube); -- point args
cube_inter
------------
(1, 2, 3)
(1 row)
SELECT cube_inter('(1,2,3)'::cube, '(5,6,3)'::cube); -- point args
cube_inter
---------------------
(5, 6, 3),(1, 2, 3)
(1 row)
-- Test of cube_size
--
SELECT cube_size('(4,8),(15,16)'::cube);
cube_size
-----------
88
(1 row)
SELECT cube_size('(42,137)'::cube);
cube_size
-----------
0
(1 row)
-- Test of distances (euclidean distance may not be bit-exact)
--
SET extra_float_digits = 0;
SELECT cube_distance('(1,1)'::cube, '(4,5)'::cube);
cube_distance
---------------
5
(1 row)
SELECT '(1,1)'::cube <-> '(4,5)'::cube as d_e;
d_e
-----
5
(1 row)
RESET extra_float_digits;
SELECT distance_chebyshev('(1,1)'::cube, '(4,5)'::cube);
distance_chebyshev
--------------------
4
(1 row)
SELECT '(1,1)'::cube <=> '(4,5)'::cube as d_c;
d_c
-----
4
(1 row)
SELECT distance_taxicab('(1,1)'::cube, '(4,5)'::cube);
distance_taxicab
------------------
7
(1 row)
SELECT '(1,1)'::cube <#> '(4,5)'::cube as d_t;
d_t
-----
7
(1 row)
-- zero for overlapping
SELECT cube_distance('(2,2),(10,10)'::cube, '(0,0),(5,5)'::cube);
cube_distance
---------------
0
(1 row)
SELECT distance_chebyshev('(2,2),(10,10)'::cube, '(0,0),(5,5)'::cube);
distance_chebyshev
--------------------
0
(1 row)
SELECT distance_taxicab('(2,2),(10,10)'::cube, '(0,0),(5,5)'::cube);
distance_taxicab
------------------
0
(1 row)
-- coordinate access
SELECT cube(array[10,20,30], array[40,50,60])->1;
?column?
----------
10
(1 row)
SELECT cube(array[40,50,60], array[10,20,30])->1;
?column?
----------
40
(1 row)
SELECT cube(array[10,20,30], array[40,50,60])->6;
?column?
----------
60
(1 row)
SELECT cube(array[10,20,30], array[40,50,60])->0;
ERROR: cube index 0 is out of bounds
SELECT cube(array[10,20,30], array[40,50,60])->7;
ERROR: cube index 7 is out of bounds
SELECT cube(array[10,20,30], array[40,50,60])->-1;
ERROR: cube index -1 is out of bounds
SELECT cube(array[10,20,30], array[40,50,60])->-6;
ERROR: cube index -6 is out of bounds
SELECT cube(array[10,20,30])->3;
?column?
----------
30
(1 row)
SELECT cube(array[10,20,30])->6;
?column?
----------
30
(1 row)
SELECT cube(array[10,20,30])->-6;
ERROR: cube index -6 is out of bounds
-- "normalized" coordinate access
SELECT cube(array[10,20,30], array[40,50,60])~>1;
?column?
----------
10
(1 row)
SELECT cube(array[40,50,60], array[10,20,30])~>1;
?column?
----------
10
(1 row)
SELECT cube(array[10,20,30], array[40,50,60])~>2;
?column?
----------
40
(1 row)
SELECT cube(array[40,50,60], array[10,20,30])~>2;
?column?
----------
40
(1 row)
SELECT cube(array[10,20,30], array[40,50,60])~>3;
?column?
----------
20
(1 row)
SELECT cube(array[40,50,60], array[10,20,30])~>3;
?column?
----------
20
(1 row)
SELECT cube(array[40,50,60], array[10,20,30])~>0;
ERROR: zero cube index is not defined
SELECT cube(array[40,50,60], array[10,20,30])~>4;
?column?
----------
50
(1 row)
SELECT cube(array[40,50,60], array[10,20,30])~>(-1);
?column?
----------
-10
(1 row)
-- Load some example data and build the index
--
CREATE TABLE test_cube (c cube);
\copy test_cube from 'data/test_cube.data'
CREATE INDEX test_cube_ix ON test_cube USING gist (c);
SELECT * FROM test_cube WHERE c && '(3000,1000),(0,0)' ORDER BY c;
c
--------------------------
(337, 455),(240, 359)
(759, 187),(662, 163)
(1444, 403),(1346, 344)
(1594, 1043),(1517, 971)
(2424, 160),(2424, 81)
(5 rows)
-- Test sorting
SELECT * FROM test_cube WHERE c && '(3000,1000),(0,0)' GROUP BY c ORDER BY c;
c
--------------------------
(337, 455),(240, 359)
(759, 187),(662, 163)
(1444, 403),(1346, 344)
(1594, 1043),(1517, 971)
(2424, 160),(2424, 81)
(5 rows)
-- Test index-only scans
SET enable_bitmapscan = false;
EXPLAIN (COSTS OFF)
SELECT c FROM test_cube WHERE c <@ '(3000,1000),(0,0)' ORDER BY c;
QUERY PLAN
--------------------------------------------------------
Sort
Sort Key: c
-> Index Only Scan using test_cube_ix on test_cube
Index Cond: (c <@ '(3000, 1000),(0, 0)'::cube)
(4 rows)
SELECT c FROM test_cube WHERE c <@ '(3000,1000),(0,0)' ORDER BY c;
c
-------------------------
(337, 455),(240, 359)
(759, 187),(662, 163)
(1444, 403),(1346, 344)
(2424, 160),(2424, 81)
(4 rows)
RESET enable_bitmapscan;
-- Test kNN
INSERT INTO test_cube VALUES ('(1,1)'), ('(100000)'), ('(0, 100000)'); -- Some corner cases
SET enable_seqscan = false;
-- Test different metrics
SET extra_float_digits = 0;
SELECT *, c <-> '(100, 100),(500, 500)'::cube as dist FROM test_cube ORDER BY c <-> '(100, 100),(500, 500)'::cube LIMIT 5;
c | dist
-------------------------+------------------
(337, 455),(240, 359) | 0
(1, 1) | 140.007142674936
(759, 187),(662, 163) | 162
(948, 1201),(907, 1156) | 772.000647668122
(1444, 403),(1346, 344) | 846
(5 rows)
RESET extra_float_digits;
SELECT *, c <=> '(100, 100),(500, 500)'::cube as dist FROM test_cube ORDER BY c <=> '(100, 100),(500, 500)'::cube LIMIT 5;
c | dist
-------------------------+------
(337, 455),(240, 359) | 0
(1, 1) | 99
(759, 187),(662, 163) | 162
(948, 1201),(907, 1156) | 656
(1444, 403),(1346, 344) | 846
(5 rows)
SELECT *, c <#> '(100, 100),(500, 500)'::cube as dist FROM test_cube ORDER BY c <#> '(100, 100),(500, 500)'::cube LIMIT 5;
c | dist
-------------------------+------
(337, 455),(240, 359) | 0
(759, 187),(662, 163) | 162
(1, 1) | 198
(1444, 403),(1346, 344) | 846
(369, 1457),(278, 1409) | 909
(5 rows)
-- Test sorting by coordinates
SELECT c~>1, c FROM test_cube ORDER BY c~>1 LIMIT 15; -- ascending by left bound
?column? | c
----------+---------------------------
0 | (0, 100000)
1 | (1, 1)
3 | (54, 38679),(3, 38602)
15 | (83, 10271),(15, 10265)
64 | (122, 46832),(64, 46762)
92 | (167, 17214),(92, 17184)
107 | (161, 24465),(107, 24374)
120 | (162, 26040),(120, 25963)
138 | (154, 4019),(138, 3990)
175 | (259, 1850),(175, 1820)
179 | (207, 40886),(179, 40879)
204 | (288, 49588),(204, 49571)
226 | (270, 32616),(226, 32607)
235 | (318, 31489),(235, 31404)
240 | (337, 455),(240, 359)
(15 rows)
SELECT c~>2, c FROM test_cube ORDER BY c~>2 LIMIT 15; -- ascending by right bound
?column? | c
----------+---------------------------
0 | (0, 100000)
1 | (1, 1)
54 | (54, 38679),(3, 38602)
83 | (83, 10271),(15, 10265)
122 | (122, 46832),(64, 46762)
154 | (154, 4019),(138, 3990)
161 | (161, 24465),(107, 24374)
162 | (162, 26040),(120, 25963)
167 | (167, 17214),(92, 17184)
207 | (207, 40886),(179, 40879)
259 | (259, 1850),(175, 1820)
270 | (270, 29508),(264, 29440)
270 | (270, 32616),(226, 32607)
288 | (288, 49588),(204, 49571)
318 | (318, 31489),(235, 31404)
(15 rows)
SELECT c~>3, c FROM test_cube ORDER BY c~>3 LIMIT 15; -- ascending by lower bound
?column? | c
----------+---------------------------
0 | (100000)
1 | (1, 1)
6 | (30333, 50),(30273, 6)
43 | (43301, 75),(43227, 43)
51 | (19650, 142),(19630, 51)
81 | (2424, 160),(2424, 81)
108 | (3449, 171),(3354, 108)
109 | (18037, 155),(17941, 109)
114 | (28511, 208),(28479, 114)
118 | (19946, 217),(19941, 118)
139 | (16906, 191),(16816, 139)
163 | (759, 187),(662, 163)
181 | (22684, 266),(22656, 181)
213 | (24423, 255),(24360, 213)
222 | (45989, 249),(45910, 222)
(15 rows)
SELECT c~>4, c FROM test_cube ORDER BY c~>4 LIMIT 15; -- ascending by upper bound
?column? | c
----------+---------------------------
0 | (100000)
1 | (1, 1)
50 | (30333, 50),(30273, 6)
75 | (43301, 75),(43227, 43)
142 | (19650, 142),(19630, 51)
155 | (18037, 155),(17941, 109)
160 | (2424, 160),(2424, 81)
171 | (3449, 171),(3354, 108)
187 | (759, 187),(662, 163)
191 | (16906, 191),(16816, 139)
208 | (28511, 208),(28479, 114)
217 | (19946, 217),(19941, 118)
249 | (45989, 249),(45910, 222)
255 | (24423, 255),(24360, 213)
266 | (22684, 266),(22656, 181)
(15 rows)
SELECT c~>(-1), c FROM test_cube ORDER BY c~>(-1) LIMIT 15; -- descending by left bound
?column? | c
----------+-------------------------------
-100000 | (100000)
-49951 | (50027, 49230),(49951, 49214)
-49937 | (49980, 35004),(49937, 34963)
-49927 | (49985, 6436),(49927, 6338)
-49908 | (49999, 27218),(49908, 27176)
-49905 | (49954, 1340),(49905, 1294)
-49902 | (49944, 25163),(49902, 25153)
-49898 | (49981, 34876),(49898, 34786)
-49897 | (49957, 43390),(49897, 43384)
-49848 | (49853, 18504),(49848, 18503)
-49818 | (49902, 41752),(49818, 41746)
-49810 | (49907, 30225),(49810, 30158)
-49808 | (49843, 5175),(49808, 5145)
-49805 | (49887, 24274),(49805, 24184)
-49798 | (49847, 7128),(49798, 7067)
(15 rows)
SELECT c~>(-2), c FROM test_cube ORDER BY c~>(-2) LIMIT 15; -- descending by right bound
?column? | c
----------+-------------------------------
-100000 | (100000)
-50027 | (50027, 49230),(49951, 49214)
-49999 | (49999, 27218),(49908, 27176)
-49985 | (49985, 6436),(49927, 6338)
-49981 | (49981, 34876),(49898, 34786)
-49980 | (49980, 35004),(49937, 34963)
-49957 | (49957, 43390),(49897, 43384)
-49954 | (49954, 1340),(49905, 1294)
-49944 | (49944, 25163),(49902, 25153)
-49907 | (49907, 30225),(49810, 30158)
-49902 | (49902, 41752),(49818, 41746)
-49887 | (49887, 24274),(49805, 24184)
-49853 | (49853, 18504),(49848, 18503)
-49847 | (49847, 7128),(49798, 7067)
-49843 | (49843, 5175),(49808, 5145)
(15 rows)
SELECT c~>(-3), c FROM test_cube ORDER BY c~>(-3) LIMIT 15; -- descending by lower bound
?column? | c
----------+-------------------------------
-100000 | (0, 100000)
-49992 | (30746, 50040),(30727, 49992)
-49987 | (36311, 50073),(36258, 49987)
-49934 | (3531, 49962),(3463, 49934)
-49915 | (17954, 49975),(17865, 49915)
-49914 | (2168, 50012),(2108, 49914)
-49913 | (31287, 49923),(31236, 49913)
-49885 | (21551, 49983),(21492, 49885)
-49878 | (43925, 49912),(43888, 49878)
-49849 | (19128, 49932),(19112, 49849)
-49844 | (38266, 49852),(38233, 49844)
-49836 | (14913, 49873),(14849, 49836)
-49834 | (37595, 49849),(37581, 49834)
-49830 | (46151, 49848),(46058, 49830)
-49818 | (29261, 49910),(29247, 49818)
(15 rows)
SELECT c~>(-4), c FROM test_cube ORDER BY c~>(-4) LIMIT 15; -- descending by upper bound
?column? | c
----------+-------------------------------
-100000 | (0, 100000)
-50073 | (36311, 50073),(36258, 49987)
-50040 | (30746, 50040),(30727, 49992)
-50012 | (2168, 50012),(2108, 49914)
-49983 | (21551, 49983),(21492, 49885)
-49975 | (17954, 49975),(17865, 49915)
-49962 | (3531, 49962),(3463, 49934)
-49932 | (19128, 49932),(19112, 49849)
-49923 | (31287, 49923),(31236, 49913)
-49912 | (43925, 49912),(43888, 49878)
-49910 | (29261, 49910),(29247, 49818)
-49873 | (14913, 49873),(14849, 49836)
-49858 | (20007, 49858),(19921, 49778)
-49852 | (38266, 49852),(38233, 49844)
-49849 | (37595, 49849),(37581, 49834)
(15 rows)
-- Same queries with sequential scan (should give the same results as above)
RESET enable_seqscan;
SET enable_indexscan = OFF;
SET extra_float_digits = 0;
SELECT *, c <-> '(100, 100),(500, 500)'::cube as dist FROM test_cube ORDER BY c <-> '(100, 100),(500, 500)'::cube LIMIT 5;
c | dist
-------------------------+------------------
(337, 455),(240, 359) | 0
(1, 1) | 140.007142674936
(759, 187),(662, 163) | 162
(948, 1201),(907, 1156) | 772.000647668122
(1444, 403),(1346, 344) | 846
(5 rows)
RESET extra_float_digits;
SELECT *, c <=> '(100, 100),(500, 500)'::cube as dist FROM test_cube ORDER BY c <=> '(100, 100),(500, 500)'::cube LIMIT 5;
c | dist
-------------------------+------
(337, 455),(240, 359) | 0
(1, 1) | 99
(759, 187),(662, 163) | 162
(948, 1201),(907, 1156) | 656
(1444, 403),(1346, 344) | 846
(5 rows)
SELECT *, c <#> '(100, 100),(500, 500)'::cube as dist FROM test_cube ORDER BY c <#> '(100, 100),(500, 500)'::cube LIMIT 5;
c | dist
-------------------------+------
(337, 455),(240, 359) | 0
(759, 187),(662, 163) | 162
(1, 1) | 198
(1444, 403),(1346, 344) | 846
(369, 1457),(278, 1409) | 909
(5 rows)
SELECT c~>1, c FROM test_cube ORDER BY c~>1 LIMIT 15; -- ascending by left bound
?column? | c
----------+---------------------------
0 | (0, 100000)
1 | (1, 1)
3 | (54, 38679),(3, 38602)
15 | (83, 10271),(15, 10265)
64 | (122, 46832),(64, 46762)
92 | (167, 17214),(92, 17184)
107 | (161, 24465),(107, 24374)
120 | (162, 26040),(120, 25963)
138 | (154, 4019),(138, 3990)
175 | (259, 1850),(175, 1820)
179 | (207, 40886),(179, 40879)
204 | (288, 49588),(204, 49571)
226 | (270, 32616),(226, 32607)
235 | (318, 31489),(235, 31404)
240 | (337, 455),(240, 359)
(15 rows)
SELECT c~>2, c FROM test_cube ORDER BY c~>2 LIMIT 15; -- ascending by right bound
?column? | c
----------+---------------------------
0 | (0, 100000)
1 | (1, 1)
54 | (54, 38679),(3, 38602)
83 | (83, 10271),(15, 10265)
122 | (122, 46832),(64, 46762)
154 | (154, 4019),(138, 3990)
161 | (161, 24465),(107, 24374)
162 | (162, 26040),(120, 25963)
167 | (167, 17214),(92, 17184)
207 | (207, 40886),(179, 40879)
259 | (259, 1850),(175, 1820)
270 | (270, 29508),(264, 29440)
270 | (270, 32616),(226, 32607)
288 | (288, 49588),(204, 49571)
318 | (318, 31489),(235, 31404)
(15 rows)
SELECT c~>3, c FROM test_cube ORDER BY c~>3 LIMIT 15; -- ascending by lower bound
?column? | c
----------+---------------------------
0 | (100000)
1 | (1, 1)
6 | (30333, 50),(30273, 6)
43 | (43301, 75),(43227, 43)
51 | (19650, 142),(19630, 51)
81 | (2424, 160),(2424, 81)
108 | (3449, 171),(3354, 108)
109 | (18037, 155),(17941, 109)
114 | (28511, 208),(28479, 114)
118 | (19946, 217),(19941, 118)
139 | (16906, 191),(16816, 139)
163 | (759, 187),(662, 163)
181 | (22684, 266),(22656, 181)
213 | (24423, 255),(24360, 213)
222 | (45989, 249),(45910, 222)
(15 rows)
SELECT c~>4, c FROM test_cube ORDER BY c~>4 LIMIT 15; -- ascending by upper bound
?column? | c
----------+---------------------------
0 | (100000)
1 | (1, 1)
50 | (30333, 50),(30273, 6)
75 | (43301, 75),(43227, 43)
142 | (19650, 142),(19630, 51)
155 | (18037, 155),(17941, 109)
160 | (2424, 160),(2424, 81)
171 | (3449, 171),(3354, 108)
187 | (759, 187),(662, 163)
191 | (16906, 191),(16816, 139)
208 | (28511, 208),(28479, 114)
217 | (19946, 217),(19941, 118)
249 | (45989, 249),(45910, 222)
255 | (24423, 255),(24360, 213)
266 | (22684, 266),(22656, 181)
(15 rows)
SELECT c~>(-1), c FROM test_cube ORDER BY c~>(-1) LIMIT 15; -- descending by left bound
?column? | c
----------+-------------------------------
-100000 | (100000)
-49951 | (50027, 49230),(49951, 49214)
-49937 | (49980, 35004),(49937, 34963)
-49927 | (49985, 6436),(49927, 6338)
-49908 | (49999, 27218),(49908, 27176)
-49905 | (49954, 1340),(49905, 1294)
-49902 | (49944, 25163),(49902, 25153)
-49898 | (49981, 34876),(49898, 34786)
-49897 | (49957, 43390),(49897, 43384)
-49848 | (49853, 18504),(49848, 18503)
-49818 | (49902, 41752),(49818, 41746)
-49810 | (49907, 30225),(49810, 30158)
-49808 | (49843, 5175),(49808, 5145)
-49805 | (49887, 24274),(49805, 24184)
-49798 | (49847, 7128),(49798, 7067)
(15 rows)
SELECT c~>(-2), c FROM test_cube ORDER BY c~>(-2) LIMIT 15; -- descending by right bound
?column? | c
----------+-------------------------------
-100000 | (100000)
-50027 | (50027, 49230),(49951, 49214)
-49999 | (49999, 27218),(49908, 27176)
-49985 | (49985, 6436),(49927, 6338)
-49981 | (49981, 34876),(49898, 34786)
-49980 | (49980, 35004),(49937, 34963)
-49957 | (49957, 43390),(49897, 43384)
-49954 | (49954, 1340),(49905, 1294)
-49944 | (49944, 25163),(49902, 25153)
-49907 | (49907, 30225),(49810, 30158)
-49902 | (49902, 41752),(49818, 41746)
-49887 | (49887, 24274),(49805, 24184)
-49853 | (49853, 18504),(49848, 18503)
-49847 | (49847, 7128),(49798, 7067)
-49843 | (49843, 5175),(49808, 5145)
(15 rows)
SELECT c~>(-3), c FROM test_cube ORDER BY c~>(-3) LIMIT 15; -- descending by lower bound
?column? | c
----------+-------------------------------
-100000 | (0, 100000)
-49992 | (30746, 50040),(30727, 49992)
-49987 | (36311, 50073),(36258, 49987)
-49934 | (3531, 49962),(3463, 49934)
-49915 | (17954, 49975),(17865, 49915)
-49914 | (2168, 50012),(2108, 49914)
-49913 | (31287, 49923),(31236, 49913)
-49885 | (21551, 49983),(21492, 49885)
-49878 | (43925, 49912),(43888, 49878)
-49849 | (19128, 49932),(19112, 49849)
-49844 | (38266, 49852),(38233, 49844)
-49836 | (14913, 49873),(14849, 49836)
-49834 | (37595, 49849),(37581, 49834)
-49830 | (46151, 49848),(46058, 49830)
-49818 | (29261, 49910),(29247, 49818)
(15 rows)
SELECT c~>(-4), c FROM test_cube ORDER BY c~>(-4) LIMIT 15; -- descending by upper bound
?column? | c
----------+-------------------------------
-100000 | (0, 100000)
-50073 | (36311, 50073),(36258, 49987)
-50040 | (30746, 50040),(30727, 49992)
-50012 | (2168, 50012),(2108, 49914)
-49983 | (21551, 49983),(21492, 49885)
-49975 | (17954, 49975),(17865, 49915)
-49962 | (3531, 49962),(3463, 49934)
-49932 | (19128, 49932),(19112, 49849)
-49923 | (31287, 49923),(31236, 49913)
-49912 | (43925, 49912),(43888, 49878)
-49910 | (29261, 49910),(29247, 49818)
-49873 | (14913, 49873),(14849, 49836)
-49858 | (20007, 49858),(19921, 49778)
-49852 | (38266, 49852),(38233, 49844)
-49849 | (37595, 49849),(37581, 49834)
(15 rows)
RESET enable_indexscan;
