arrays.out

postgresql8.3.4源码,开源数据库

---------------------------
 {{{{{{hello},{world}}}}}}
(1 row)

SELECT ARRAY[ARRAY['hello'],ARRAY['world']];
       array       
-------------------
 {{hello},{world}}
(1 row)

SELECT ARRAY(select f2 from arrtest_f order by f2) AS "ARRAY";
                     ARRAY                     
-----------------------------------------------
 {1.15,1.15,1.18,1.21,1.24,1.26,1.26,1.3,1.32}
(1 row)

-- with nulls
SELECT '{1,null,3}'::int[];
    int4    
------------
 {1,NULL,3}
(1 row)

SELECT ARRAY[1,NULL,3];
   array    
------------
 {1,NULL,3}
(1 row)

-- functions
SELECT array_append(array[42], 6) AS "{42,6}";
 {42,6} 
--------
 {42,6}
(1 row)

SELECT array_prepend(6, array[42]) AS "{6,42}";
 {6,42} 
--------
 {6,42}
(1 row)

SELECT array_cat(ARRAY[1,2], ARRAY[3,4]) AS "{1,2,3,4}";
 {1,2,3,4} 
-----------
 {1,2,3,4}
(1 row)

SELECT array_cat(ARRAY[1,2], ARRAY[[3,4],[5,6]]) AS "{{1,2},{3,4},{5,6}}";
 {{1,2},{3,4},{5,6}} 
---------------------
 {{1,2},{3,4},{5,6}}
(1 row)

SELECT array_cat(ARRAY[[3,4],[5,6]], ARRAY[1,2]) AS "{{3,4},{5,6},{1,2}}";
 {{3,4},{5,6},{1,2}} 
---------------------
 {{3,4},{5,6},{1,2}}
(1 row)

-- operators
SELECT a FROM arrtest WHERE b = ARRAY[[[113,142],[1,147]]];
       a       
---------------
 {16,25,3,4,5}
(1 row)

SELECT NOT ARRAY[1.1,1.2,1.3] = ARRAY[1.1,1.2,1.3] AS "FALSE";
 FALSE 
-------
 f
(1 row)

SELECT ARRAY[1,2] || 3 AS "{1,2,3}";
 {1,2,3} 
---------
 {1,2,3}
(1 row)

SELECT 0 || ARRAY[1,2] AS "{0,1,2}";
 {0,1,2} 
---------
 {0,1,2}
(1 row)

SELECT ARRAY[1,2] || ARRAY[3,4] AS "{1,2,3,4}";
 {1,2,3,4} 
-----------
 {1,2,3,4}
(1 row)

SELECT ARRAY[[['hello','world']]] || ARRAY[[['happy','birthday']]] AS "ARRAY";
                ARRAY                 
--------------------------------------
 {{{hello,world}},{{happy,birthday}}}
(1 row)

SELECT ARRAY[[1,2],[3,4]] || ARRAY[5,6] AS "{{1,2},{3,4},{5,6}}";
 {{1,2},{3,4},{5,6}} 
---------------------
 {{1,2},{3,4},{5,6}}
(1 row)

SELECT ARRAY[0,0] || ARRAY[1,1] || ARRAY[2,2] AS "{0,0,1,1,2,2}";
 {0,0,1,1,2,2} 
---------------
 {0,0,1,1,2,2}
(1 row)

SELECT 0 || ARRAY[1,2] || 3 AS "{0,1,2,3}";
 {0,1,2,3} 
-----------
 {0,1,2,3}
(1 row)

SELECT * FROM array_op_test WHERE i @> '{32}' ORDER BY seqno;
 seqno |                i                |                                                                 t                                                                  
-------+---------------------------------+------------------------------------------------------------------------------------------------------------------------------------
     6 | {39,35,5,94,17,92,60,32}        | {AAAAAAAAAAAAAAA35875,AAAAAAAAAAAAAAAA23657}
    74 | {32}                            | {AAAAAAAAAAAAAAAA1729,AAAAAAAAAAAAA22860,AAAAAA99807,AAAAA17383,AAAAAAAAAAAAAAA67062,AAAAAAAAAAA15165,AAAAAAAAAAA50956}
    77 | {97,15,32,17,55,59,18,37,50,39} | {AAAAAAAAAAAA67946,AAAAAA54032,AAAAAAAA81587,55847,AAAAAAAAAAAAAA28620,AAAAAAAAAAAAAAAAA43052,AAAAAA75463,AAAA49534,AAAAAAAA44066}
    89 | {40,32,17,6,30,88}              | {AA44673,AAAAAAAAAAA6119,AAAAAAAAAAAAAAAA23657,AAAAAAAAAAAAAAAAAA47955,AAAAAAAAAAAAAAAA33598,AAAAAAAAAAA33576,AA44673}
    98 | {38,34,32,89}                   | {AAAAAAAAAAAAAAAAAA71621,AAAA8857,AAAAAAAAAAAAAAAAAAA65037,AAAAAAAAAAAAAAAA31334,AAAAAAAAAA48845}
   100 | {85,32,57,39,49,84,32,3,30}     | {AAAAAAA80240,AAAAAAAAAAAAAAAA1729,AAAAA60038,AAAAAAAAAAA92631,AAAAAAAA9523}
(6 rows)

SELECT * FROM array_op_test WHERE i && '{32}' ORDER BY seqno;
 seqno |                i                |                                                                 t                                                                  
-------+---------------------------------+------------------------------------------------------------------------------------------------------------------------------------
     6 | {39,35,5,94,17,92,60,32}        | {AAAAAAAAAAAAAAA35875,AAAAAAAAAAAAAAAA23657}
    74 | {32}                            | {AAAAAAAAAAAAAAAA1729,AAAAAAAAAAAAA22860,AAAAAA99807,AAAAA17383,AAAAAAAAAAAAAAA67062,AAAAAAAAAAA15165,AAAAAAAAAAA50956}
    77 | {97,15,32,17,55,59,18,37,50,39} | {AAAAAAAAAAAA67946,AAAAAA54032,AAAAAAAA81587,55847,AAAAAAAAAAAAAA28620,AAAAAAAAAAAAAAAAA43052,AAAAAA75463,AAAA49534,AAAAAAAA44066}
    89 | {40,32,17,6,30,88}              | {AA44673,AAAAAAAAAAA6119,AAAAAAAAAAAAAAAA23657,AAAAAAAAAAAAAAAAAA47955,AAAAAAAAAAAAAAAA33598,AAAAAAAAAAA33576,AA44673}
    98 | {38,34,32,89}                   | {AAAAAAAAAAAAAAAAAA71621,AAAA8857,AAAAAAAAAAAAAAAAAAA65037,AAAAAAAAAAAAAAAA31334,AAAAAAAAAA48845}
   100 | {85,32,57,39,49,84,32,3,30}     | {AAAAAAA80240,AAAAAAAAAAAAAAAA1729,AAAAA60038,AAAAAAAAAAA92631,AAAAAAAA9523}
(6 rows)

SELECT * FROM array_op_test WHERE i @> '{17}' ORDER BY seqno;
 seqno |                i                |                                                                 t                                                                  
-------+---------------------------------+------------------------------------------------------------------------------------------------------------------------------------
     6 | {39,35,5,94,17,92,60,32}        | {AAAAAAAAAAAAAAA35875,AAAAAAAAAAAAAAAA23657}
    12 | {17,99,18,52,91,72,0,43,96,23}  | {AAAAA33250,AAAAAAAAAAAAAAAAAAA85420,AAAAAAAAAAA33576}
    15 | {17,14,16,63,67}                | {AA6416,AAAAAAAAAA646,AAAAA95309}
    19 | {52,82,17,74,23,46,69,51,75}    | {AAAAAAAAAAAAA73084,AAAAA75968,AAAAAAAAAAAAAAAA14047,AAAAAAA80240,AAAAAAAAAAAAAAAAAAA1205,A68938}
    53 | {38,17}                         | {AAAAAAAAAAA21658}
    65 | {61,5,76,59,17}                 | {AAAAAA99807,AAAAA64741,AAAAAAAAAAA53908,AA21643,AAAAAAAAA10012}
    77 | {97,15,32,17,55,59,18,37,50,39} | {AAAAAAAAAAAA67946,AAAAAA54032,AAAAAAAA81587,55847,AAAAAAAAAAAAAA28620,AAAAAAAAAAAAAAAAA43052,AAAAAA75463,AAAA49534,AAAAAAAA44066}
    89 | {40,32,17,6,30,88}              | {AA44673,AAAAAAAAAAA6119,AAAAAAAAAAAAAAAA23657,AAAAAAAAAAAAAAAAAA47955,AAAAAAAAAAAAAAAA33598,AAAAAAAAAAA33576,AA44673}
(8 rows)

SELECT * FROM array_op_test WHERE i && '{17}' ORDER BY seqno;
 seqno |                i                |                                                                 t                                                                  
-------+---------------------------------+------------------------------------------------------------------------------------------------------------------------------------
     6 | {39,35,5,94,17,92,60,32}        | {AAAAAAAAAAAAAAA35875,AAAAAAAAAAAAAAAA23657}
    12 | {17,99,18,52,91,72,0,43,96,23}  | {AAAAA33250,AAAAAAAAAAAAAAAAAAA85420,AAAAAAAAAAA33576}
    15 | {17,14,16,63,67}                | {AA6416,AAAAAAAAAA646,AAAAA95309}
    19 | {52,82,17,74,23,46,69,51,75}    | {AAAAAAAAAAAAA73084,AAAAA75968,AAAAAAAAAAAAAAAA14047,AAAAAAA80240,AAAAAAAAAAAAAAAAAAA1205,A68938}
    53 | {38,17}                         | {AAAAAAAAAAA21658}
    65 | {61,5,76,59,17}                 | {AAAAAA99807,AAAAA64741,AAAAAAAAAAA53908,AA21643,AAAAAAAAA10012}
    77 | {97,15,32,17,55,59,18,37,50,39} | {AAAAAAAAAAAA67946,AAAAAA54032,AAAAAAAA81587,55847,AAAAAAAAAAAAAA28620,AAAAAAAAAAAAAAAAA43052,AAAAAA75463,AAAA49534,AAAAAAAA44066}
    89 | {40,32,17,6,30,88}              | {AA44673,AAAAAAAAAAA6119,AAAAAAAAAAAAAAAA23657,AAAAAAAAAAAAAAAAAA47955,AAAAAAAAAAAAAAAA33598,AAAAAAAAAAA33576,AA44673}
(8 rows)

SELECT * FROM array_op_test WHERE i @> '{32,17}' ORDER BY seqno;
 seqno |                i                |                                                                 t                                                                  
-------+---------------------------------+------------------------------------------------------------------------------------------------------------------------------------
     6 | {39,35,5,94,17,92,60,32}        | {AAAAAAAAAAAAAAA35875,AAAAAAAAAAAAAAAA23657}
    77 | {97,15,32,17,55,59,18,37,50,39} | {AAAAAAAAAAAA67946,AAAAAA54032,AAAAAAAA81587,55847,AAAAAAAAAAAAAA28620,AAAAAAAAAAAAAAAAA43052,AAAAAA75463,AAAA49534,AAAAAAAA44066}
    89 | {40,32,17,6,30,88}              | {AA44673,AAAAAAAAAAA6119,AAAAAAAAAAAAAAAA23657,AAAAAAAAAAAAAAAAAA47955,AAAAAAAAAAAAAAAA33598,AAAAAAAAAAA33576,AA44673}
(3 rows)

SELECT * FROM array_op_test WHERE i && '{32,17}' ORDER BY seqno;
 seqno |                i                |                                                                 t                                                                  
-------+---------------------------------+------------------------------------------------------------------------------------------------------------------------------------
     6 | {39,35,5,94,17,92,60,32}        | {AAAAAAAAAAAAAAA35875,AAAAAAAAAAAAAAAA23657}
    12 | {17,99,18,52,91,72,0,43,96,23}  | {AAAAA33250,AAAAAAAAAAAAAAAAAAA85420,AAAAAAAAAAA33576}
    15 | {17,14,16,63,67}                | {AA6416,AAAAAAAAAA646,AAAAA95309}
    19 | {52,82,17,74,23,46,69,51,75}    | {AAAAAAAAAAAAA73084,AAAAA75968,AAAAAAAAAAAAAAAA14047,AAAAAAA80240,AAAAAAAAAAAAAAAAAAA1205,A68938}
    53 | {38,17}                         | {AAAAAAAAAAA21658}
    65 | {61,5,76,59,17}                 | {AAAAAA99807,AAAAA64741,AAAAAAAAAAA53908,AA21643,AAAAAAAAA10012}
    74 | {32}                            | {AAAAAAAAAAAAAAAA1729,AAAAAAAAAAAAA22860,AAAAAA99807,AAAAA17383,AAAAAAAAAAAAAAA67062,AAAAAAAAAAA15165,AAAAAAAAAAA50956}
    77 | {97,15,32,17,55,59,18,37,50,39} | {AAAAAAAAAAAA67946,AAAAAA54032,AAAAAAAA81587,55847,AAAAAAAAAAAAAA28620,AAAAAAAAAAAAAAAAA43052,AAAAAA75463,AAAA49534,AAAAAAAA44066}
    89 | {40,32,17,6,30,88}              | {AA44673,AAAAAAAAAAA6119,AAAAAAAAAAAAAAAA23657,AAAAAAAAAAAAAAAAAA47955,AAAAAAAAAAAAAAAA33598,AAAAAAAAAAA33576,AA44673}
    98 | {38,34,32,89}                   | {AAAAAAAAAAAAAAAAAA71621,AAAA8857,AAAAAAAAAAAAAAAAAAA65037,AAAAAAAAAAAAAAAA31334,AAAAAAAAAA48845}
   100 | {85,32,57,39,49,84,32,3,30}     | {AAAAAAA80240,AAAAAAAAAAAAAAAA1729,AAAAA60038,AAAAAAAAAAA92631,AAAAAAAA9523}
(11 rows)

SELECT * FROM array_op_test WHERE i <@ '{38,34,32,89}' ORDER BY seqno;
 seqno |       i       |                                                             t                                                              
-------+---------------+----------------------------------------------------------------------------------------------------------------------------
    40 | {34}          | {AAAAAAAAAAAAAA10611,AAAAAAAAAAAAAAAAAAA1205,AAAAAAAAAAA50956,AAAAAAAAAAAAAAAA31334,AAAAA70466,AAAAAAAA81587,AAAAAAA74623}
    74 | {32}          | {AAAAAAAAAAAAAAAA1729,AAAAAAAAAAAAA22860,AAAAAA99807,AAAAA17383,AAAAAAAAAAAAAAA67062,AAAAAAAAAAA15165,AAAAAAAAAAA50956}
    98 | {38,34,32,89} | {AAAAAAAAAAAAAAAAAA71621,AAAA8857,AAAAAAAAAAAAAAAAAAA65037,AAAAAAAAAAAAAAAA31334,AAAAAAAAAA48845}
(3 rows)

SELECT * FROM array_op_test WHERE t @> '{AAAAAAAA72908}' ORDER BY seqno;
 seqno |           i           |                                                                     t                                                                      
-------+-----------------------+--------------------------------------------------------------------------------------------------------------------------------------------
    22 | {11,6,56,62,53,30}    | {AAAAAAAA72908}
    45 | {99,45}               | {AAAAAAAA72908,AAAAAAAAAAAAAAAAAAA17075,AA88409,AAAAAAAAAAAAAAAAAA36842,AAAAAAA48038,AAAAAAAAAAAAAA10611}
    72 | {22,1,16,78,20,91,83} | {47735,AAAAAAA56483,AAAAAAAAAAAAA93788,AA42406,AAAAAAAAAAAAA73084,AAAAAAAA72908,AAAAAAAAAAAAAAAAAA61286,AAAAA66674,AAAAAAAAAAAAAAAAA50407}
    79 | {45}                  | {AAAAAAAAAA646,AAAAAAAAAAAAAAAAAAA70415,AAAAAA43678,AAAAAAAA72908}
(4 rows)

SELECT * FROM array_op_test WHERE t && '{AAAAAAAA72908}' ORDER BY seqno;
 seqno |           i           |                                                                     t                                                                      
-------+-----------------------+--------------------------------------------------------------------------------------------------------------------------------------------
    22 | {11,6,56,62,53,30}    | {AAAAAAAA72908}
    45 | {99,45}               | {AAAAAAAA72908,AAAAAAAAAAAAAAAAAAA17075,AA88409,AAAAAAAAAAAAAAAAAA36842,AAAAAAA48038,AAAAAAAAAAAAAA10611}
    72 | {22,1,16,78,20,91,83} | {47735,AAAAAAA56483,AAAAAAAAAAAAA93788,AA42406,AAAAAAAAAAAAA73084,AAAAAAAA72908,AAAAAAAAAAAAAAAAAA61286,AAAAA66674,AAAAAAAAAAAAAAAAA50407}
    79 | {45}                  | {AAAAAAAAAA646,AAAAAAAAAAAAAAAAAAA70415,AAAAAA43678,AAAAAAAA72908}
(4 rows)

SELECT * FROM array_op_test WHERE t @> '{AAAAAAAAAA646}' ORDER BY seqno;
 seqno |        i         |                                 t                                  
-------+------------------+--------------------------------------------------------------------
    15 | {17,14,16,63,67} | {AA6416,AAAAAAAAAA646,AAAAA95309}
    79 | {45}             | {AAAAAAAAAA646,AAAAAAAAAAAAAAAAAAA70415,AAAAAA43678,AAAAAAAA72908}
    96 | {23,97,43}       | {AAAAAAAAAA646,A87088}
(3 rows)

SELECT * FROM array_op_test WHERE t && '{AAAAAAAAAA646}' ORDER BY seqno;
 seqno |        i         |                                 t                                  
-------+------------------+--------------------------------------------------------------------
    15 | {17,14,16,63,67} | {AA6416,AAAAAAAAAA646,AAAAA95309}
    79 | {45}             | {AAAAAAAAAA646,AAAAAAAAAAAAAAAAAAA70415,AAAAAA43678,AAAAAAAA72908}
    96 | {23,97,43}       | {AAAAAAAAAA646,A87088}
(3 rows)

SELECT * FROM array_op_test WHERE t @> '{AAAAAAAA72908,AAAAAAAAAA646}' ORDER BY seqno;
 seqno |  i   |                                 t                                  
-------+------+--------------------------------------------------------------------
    79 | {45} | {AAAAAAAAAA646,AAAAAAAAAAAAAAAAAAA70415,AAAAAA43678,AAAAAAAA72908}
(1 row)

SELECT * FROM array_op_test WHERE t && '{AAAAAAAA72908,AAAAAAAAAA646}' ORDER BY seqno;
 seqno |           i           |                                                                     t                                                                      
-------+-----------------------+--------------------------------------------------------------------------------------------------------------------------------------------
    15 | {17,14,16,63,67}      | {AA6416,AAAAAAAAAA646,AAAAA95309}
    22 | {11,6,56,62,53,30}    | {AAAAAAAA72908}
    45 | {99,45}               | {AAAAAAAA72908,AAAAAAAAAAAAAAAAAAA17075,AA88409,AAAAAAAAAAAAAAAAAA36842,AAAAAAA48038,AAAAAAAAAAAAAA10611}
    72 | {22,1,16,78,20,91,83} | {47735,AAAAAAA56483,AAAAAAAAAAAAA93788,AA42406,AAAAAAAAAAAAA73084,AAAAAAAA72908,AAAAAAAAAAAAAAAAAA61286,AAAAA66674,AAAAAAAAAAAAAAAAA50407}
    79 | {45}                  | {AAAAAAAAAA646,AAAAAAAAAAAAAAAAAAA70415,AAAAAA43678,AAAAAAAA72908}
    96 | {23,97,43}            | {AAAAAAAAAA646,A87088}
(6 rows)

SELECT * FROM array_op_test WHERE t <@ '{AAAAAAAA72908,AAAAAAAAAAAAAAAAAAA17075,AA88409,AAAAAAAAAAAAAAAAAA36842,AAAAAAA48038,AAAAAAAAAAAAAA10611}' ORDER BY seqno;
 seqno |         i          |                                                     t                                                     
-------+--------------------+-----------------------------------------------------------------------------------------------------------
    22 | {11,6,56,62,53,30} | {AAAAAAAA72908}
    45 | {99,45}            | {AAAAAAAA72908,AAAAAAAAAAAAAAAAAAA17075,AA88409,AAAAAAAAAAAAAAAAAA36842,AAAAAAA48038,AAAAAAAAAAAAAA10611}
(2 rows)

-- array casts
SELECT ARRAY[1,2,3]::text[]::int[]::float8[] AS "{1,2,3}";
 {1,2,3} 
---------
 {1,2,3}
(1 row)

SELECT ARRAY[1,2,3]::text[]::int[]::float8[] is of (float8[]) as "TRUE";
 TRUE 
------
 t
(1 row)

SELECT ARRAY[['a','bc'],['def','hijk']]::text[]::varchar[] AS "{{a,bc},{def,hijk}}";
 {{a,bc},{def,hijk}} 
---------------------
 {{a,bc},{def,hijk}}
(1 row)

SELECT ARRAY[['a','bc'],['def','hijk']]::text[]::varchar[] is of (varchar[]) as "TRUE";
 TRUE 
------
 t
(1 row)

SELECT CAST(ARRAY[[[[[['a','bb','ccc']]]]]] as text[]) as "{{{{{{a,bb,ccc}}}}}}";
 {{{{{{a,bb,ccc}}}}}} 
----------------------
 {{{{{{a,bb,ccc}}}}}}
(1 row)

-- scalar op any/all (array)
select 33 = any ('{1,2,3}');
 ?column? 
----------
 f
(1 row)

select 33 = any ('{1,2,33}');
 ?column? 
----------
 t
(1 row)

select 33 = all ('{1,2,33}');
 ?column?