Re: integer array, push and pop

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От Teodor Sigaev
Тема Re: integer array, push and pop
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Msg-id 3DB5073B.6070203@stack.net
обсуждение исходный текст
Ответ на Re: DBD::PG - any works to be compatile with 7.3 ?  (Oleg Bartunov <oleg@sai.msu.su>)
Ответы Re: integer array, push and pop  (Ryan Mahoney <ryan@paymentalliance.net>)
Re: integer array, push and pop  (Ryan Mahoney <ryan@paymentalliance.net>)
Список pgsql-hackers
regression=# select '{124,567,66}'::int[] + 345;     ?column?
------------------ {124,567,66,345}
(1 row)
regression=# select '{124,567,66}'::int[] + '{345,1}'::int[];      ?column?
-------------------- {124,567,66,345,1}
(1 row)
select '{124,567,66}'::int[] - 567; ?column?
---------- {124,66}
(1 row)
regression=# select '{124,567,66}'::int[] - '{567,66}'; ?column?
---------- {124}
(1 row)


Ryan Mahoney wrote:
> Hi Oleg (and pgsql hackers!),
> 
> Recently I encountered a problem attempting to use the integer array
> function for pushing an integer onto an integer array field.
> 
> Can you write an example of a sql statement for pushing a single value onto
> an integer array and for popping a specific value off of an integer array?
> I see the function in the documentation, but the actual statement syntax to
> use is not clear to me.
> 
> Thanks for any help you can provide!
> 
> Ryan Mahoney
> 
> 
> 
> 
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-- 
Teodor Sigaev
teodor@stack.net




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