Re: Two entries with the same primary key

On Thu, Apr 12, 2012 at 9:20 AM, Ivan Evtuhovich <evtuhovich@gmail.com> wrote:
> Hello,
>
> More then month ago we upgrade DB from 9.0 to 9.1 with pg_upgrade. Then we
> move DB to another server with standard pg streaming replication.
>
> Now we have two entries with the same primary key. And I do not know what to
> do.
>
> SELECT ctid, id from billing_invoices where id = 27362891;
>
>      ctid     |    id
> --------------+----------
>  (1112690,11) | 27362891
>  (1112438,26) | 27362891
>

Per some off-list conversation with Ivan, this is only happening on
the standby.  Ivan, what's the precise version of postgres you are
using?  When you first went to hs/sr?  I bet your clog files are out
of whack (and if so, probably upgrading to recent bugfix postgres and
standby resync is the correct course of action).

merlin