From: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com> |
---|---|
To: | 刘剑 <liujian(at)raintai(dot)com> |
Cc: | pgsql-bugs <pgsql-bugs(at)postgresql(dot)org> |
Subject: | Re: help:how to rollback postgresql to several minutes ago |
Date: | 2016-04-14 12:24:22 |
Message-ID: | CAB7nPqRq6FfdQOte72xcsypc9wAtgzHHEpVKU+kocGsCf2WKBA@mail.gmail.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-bugs |
On Thu, Apr 14, 2016 at 9:23 PM, Michael Paquier
<michael(dot)paquier(at)gmail(dot)com> wrote:
> On Thu, Apr 14, 2016 at 7:06 PM, 刘剑 <liujian(at)raintai(dot)com> wrote:
>> I had written an update sql without where condition to my table, then
>> updated whole table.
>> So how can i rollback this?
>
> You need to roll in a backup I am afraid, and you should always have
> some. Postgres has no way to replay back directly WAL records, it can
> only forward replay. In such circumstances standby nodes with a delay
> when applying WAL are useful.
By the way, this is not a bug. Such basic questions had better be
asked on pgsql-novice.
--
Michael
From | Date | Subject | |
---|---|---|---|
Next Message | Nicholson, Brad (Toronto, ON, CA) | 2016-04-14 12:51:23 | 9.6 synchronous_standby_names: discrepancy between docs and functionality |
Previous Message | Michael Paquier | 2016-04-14 12:23:31 | Re: help:how to rollback postgresql to several minutes ago |