Le 15/07/2010 16:21, Shoaib Mir a écrit :
> On Thu, Jul 15, 2010 at 10:53 PM, Terry Lee Tucker
> <terry@chosen-ones.org <mailto:terry@chosen-ones.org>> wrote:
>
> Greetings:
>
> I occasionally find the need to perform some maintenance on one or
> more of
> thirteen different databases. Typically, due to the interaction
> between the
> databases, I need to lock down the databases for a short period of
> time so
> that no updates are being performed anywhere.
>
>
> There is something that I saw the other day in PG 9.0 i.e.
> transaction_read_only which might be helpful in your case.
transaction_read_only is not something you can set. It's set by the
server, to "on" on a hotstandby server, and else to "off". And
default_transaction_read_only can be "unset", so not that useful too.
--
Guillaume
http://www.postgresql.fr
http://dalibo.com