Re: Patch pg_is_in_backup()

Fujii Masao <masao.fujii@gmail.com>

From: Fujii Masao <masao.fujii@gmail.com>
To: Euler Taveira de Oliveira <euler@timbira.com>
Cc: Magnus Hagander <magnus@hagander.net>, Marti Raudsepp <marti@juffo.org>, Gilles Darold <gilles.darold@dalibo.com>, pgsql-hackers@postgresql.org
Date: 2012-02-03T04:21:11Z
Lists: pgsql-hackers
On Fri, Feb 3, 2012 at 11:31 AM, Euler Taveira de Oliveira
<euler@timbira.com> wrote:
> On 02-02-2012 20:06, Magnus Hagander wrote:
>> If there is more than one concurrent backup running, which one do you
>> return? The first one or the latest one? Or perhaps you need an
>> interface thta can return them all...
>>
> IMHO, pg_is_in_backup() should return true if one or more backup copies are
> running. As about returning the backup timestamp, we could return an array
> like array[['label_1', '2012-01-28 02:00:01 BRST'], ['label_2', '2012-01-28
> 03:40:34 BRST']] or NULL if none.

It seems to be more user-friendly to introduce a view like pg_stat_backup
rather than the function returning an array.

Regards,

-- 
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center