Re: delete item[5] from varchar[] array???
От
Michael Fuhr
Тема
Re: delete item[5] from varchar[] array???
Дата
Msg-id
20050922031511.GB90260@winnie.fuhr.org
Ответ на
delete item[5] from varchar[] array??? (Matthew Peter)
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Дерево обсуждения
delete item[5] from varchar[] array??? Matthew Peter <survivedsushi@yahoo.com>
Re: delete item[5] from varchar[] array??? Michael Fuhr <mike@fuhr.org>
Re: delete item[5] from varchar[] array??? Matthew Peter <survivedsushi@yahoo.com>
Re: delete item[5] from varchar[] array??? Michael Fuhr <mike@fuhr.org>
Re: delete item[5] from varchar[] array??? Matthew Peter <survivedsushi@yahoo.com>
Re: delete item[5] from varchar[] array??? Tom Lane <tgl@sss.pgh.pa.us>
Re: delete item[5] from varchar[] array??? Matthew Peter <survivedsushi@yahoo.com>
On Wed, Sep 21, 2005 at 06:56:36PM -0700, Matthew Peter wrote:
> How is it possible to delete an item from a single
> dimension varchar[] array? Lets say it has the values
> {1,2,3,4,5,6}... how do i delete at position [4]?
I'm not sure if there's a better way, but you could concatenate the
slices adjacent to the position you want to delete:
test=> SELECT a FROM foo; a
---------------{1,2,3,4,5,6}
(1 row)
test=> UPDATE foo SET a = a[1:3] || a[5:6];
UPDATE 1
test=> SELECT a FROM foo; a
-------------{1,2,3,5,6}
(1 row)
--
Michael Fuhr
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