Re: VACUUM and open transactions

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Joseph S <jks(at)selectacast(dot)net>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: VACUUM and open transactions
Date: 2006-10-20 00:20:33
Message-ID: 7130.1161303633@sss.pgh.pa.us
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Joseph S <jks(at)selectacast(dot)net> writes:
> But if the tuple in question was created and then deleted after the
> transaction, the transaction should still not need to see it.

No, because it might have taken a snapshot during the interval where the
tuple was good.

regards, tom lane

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