Re: 7.3.4 Table corruption

From: Andrew Farmer <mail(at)andrewfarmer(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: 7.3.4 Table corruption
Date: 2004-08-27 04:03:59
Message-ID: 412EB2AF.1080502@andrewfarmer.com
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Thanks for the advice. I'll relax the constraints on the table, and
reload that table from the dump, might take a while to fix any problems,
but it should be safer.

Regards, Andrew

Tom Lane wrote:

>Andrew Farmer <mail(at)andrewfarmer(dot)com> writes:
>
>
>>My question is, if I load the good dump into a clean database, and then
>>find the underlying file that represents the broken table and copy it
>>over the top of the broken table, am I likely to face any big problems?
>>
>>
>
>This strikes me as a real good way to shoot yourself in the foot ;-).
>Better take a backup and be prepared to restore from it. And I'd
>suggest experimenting in a scratch installation before you try it for
>real.
>
>Having said that, I think it would work, if your "clean database" is
>another DB in the same cluster (you could *not* copy from data prepared
>under a different postmaster). And you'll need to copy all the indexes
>on that table, and its toast table and toast table index if it has one.
>And shut down the postmaster while you do the copying.
>
> regards, tom lane
>
>---------------------------(end of broadcast)---------------------------
>TIP 4: Don't 'kill -9' the postmaster
>
>
>

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