mirror of https://github.com/postgres/postgres
work now that did not work in 6.5.REL7_0_PATCHES
parent
2a1bfbce24
commit
6ce5e0abb6
@ -1,61 +1,79 @@ |
||||
QUERY: SELECT * FROM arrtest; |
||||
a |b |c |d |e |f |g |
||||
-----------+---------------+-------------+-----------------+-------------+-----------------+--------------- |
||||
{1,2,3,4,5}|{{{0,0},{1,2}}}|{} |{} | |{} |{} |
||||
{11,12,23} |{{3,4},{4,5}} |{"foobar"} |{{"elt1","elt2"}}|{"3.4","6.7"}|{"abc ","abcde"}|{"abc","abcde"} |
||||
{} |{3,4} |{"foo","bar"}|{"bar","foo"} | | | |
||||
-- |
||||
-- ARRAYS |
||||
-- |
||||
SELECT * FROM arrtest; |
||||
a | b | c | d | e | f | g |
||||
-------------+-----------------+---------------+-------------------+---------------+-------------------+----------------- |
||||
{1,2,3,4,5} | {{{0,0},{1,2}}} | {} | {} | | {} | {} |
||||
{11,12,23} | {{3,4},{4,5}} | {"foobar"} | {{"elt1","elt2"}} | {"3.4","6.7"} | {"abc ","abcde"} | {"abc","abcde"} |
||||
{} | {3,4} | {"foo","bar"} | {"bar","foo"} | | | |
||||
(3 rows) |
||||
|
||||
QUERY: SELECT arrtest.a[1], |
||||
SELECT arrtest.a[1], |
||||
arrtest.b[1][1][1], |
||||
arrtest.c[1], |
||||
arrtest.d[1][1], |
||||
arrtest.d[1][1], |
||||
arrtest.e[0] |
||||
FROM arrtest; |
||||
a|b|c |d |e |
||||
--+-+------+----+- |
||||
1|0| | | |
||||
11| |foobar|elt1| |
||||
| |foo | | |
||||
a | b | c | d | e |
||||
----+---+--------+------+--- |
||||
1 | 0 | | | |
||||
11 | | foobar | elt1 | |
||||
| | foo | | |
||||
(3 rows) |
||||
|
||||
QUERY: SELECT arrtest.a[1:3], |
||||
arrtest.b[1:1][1:2][1:2], |
||||
arrtest.c[1:2], |
||||
arrtest.d[1:1][1:2] |
||||
SELECT a[1], b[1][1][1], c[1], d[1][1], e[0] |
||||
FROM arrtest; |
||||
a |b |c |d |
||||
----------+---------------+-------------+----------------- |
||||
{1,2,3} |{{{0,0},{1,2}}}| | |
||||
{11,12,23}| | |{{"elt1","elt2"}} |
||||
| |{"foo","bar"}| |
||||
a | b | c | d | e |
||||
----+---+--------+------+--- |
||||
1 | 0 | | | |
||||
11 | | foobar | elt1 | |
||||
| | foo | | |
||||
(3 rows) |
||||
|
||||
QUERY: SELECT array_dims(arrtest.b) AS x; |
||||
x |
||||
--------------- |
||||
[1:1][1:2][1:2] |
||||
[1:2][1:2] |
||||
[1:2] |
||||
SELECT a[1:3], |
||||
b[1:1][1:2][1:2], |
||||
c[1:2], |
||||
d[1:1][1:2] |
||||
FROM arrtest; |
||||
a | b | c | d |
||||
------------+-----------------+---------------+------------------- |
||||
{1,2,3} | {{{0,0},{1,2}}} | | |
||||
{11,12,23} | | | {{"elt1","elt2"}} |
||||
| | {"foo","bar"} | |
||||
(3 rows) |
||||
|
||||
-- returns three different results-- |
||||
SELECT array_dims(arrtest.b) AS x; |
||||
x |
||||
----------------- |
||||
[1:1][1:2][1:2] |
||||
[1:2][1:2] |
||||
[1:2] |
||||
(3 rows) |
||||
|
||||
QUERY: SELECT * |
||||
-- returns nothing |
||||
SELECT * |
||||
FROM arrtest |
||||
WHERE arrtest.a[1] < 5 and |
||||
arrtest.c = '{"foobar"}'::_name; |
||||
a|b|c|d|e|f|g |
||||
-+-+-+-+-+-+- |
||||
WHERE a[1] < 5 and |
||||
c = '{"foobar"}'::_name; |
||||
a | b | c | d | e | f | g |
||||
---+---+---+---+---+---+--- |
||||
(0 rows) |
||||
|
||||
QUERY: SELECT arrtest.a[1:3], |
||||
arrtest.b[1:1][1:2][1:2], |
||||
arrtest.c[1:2], |
||||
arrtest.d[1:1][1:2] |
||||
UPDATE arrtest |
||||
SET a[1:2] = '{16,25}', |
||||
b[1:1][1:1][1:2] = '{113, 117}', |
||||
c[1:1] = '{"new_word"}'; |
||||
SELECT a[1:3], |
||||
b[1:1][1:2][1:2], |
||||
c[1:2], |
||||
d[1:1][2:2] |
||||
FROM arrtest; |
||||
a |b |c |d |
||||
----------+---------------+-------------+----------------- |
||||
{1,2,3} |{{{0,0},{1,2}}}| | |
||||
{11,12,23}| | |{{"elt1","elt2"}} |
||||
| |{"foo","bar"}| |
||||
a | b | c | d |
||||
------------+---------------------+--------------------+------------ |
||||
{16,25,3} | {{{113,117},{1,2}}} | | |
||||
{16,25,23} | | | {{"elt2"}} |
||||
| | {"new_word","bar"} | |
||||
(3 rows) |
||||
|
||||
|
||||
Loading…
Reference in new issue