Re: Vacuuming

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Pavan Deolasee" <pavan(dot)deolasee(at)gmail(dot)com>
Cc: "Paul Lambert" <paul(dot)lambert(at)autoledgers(dot)com(dot)au>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Re: Vacuuming
Date: 2007-05-08 06:39:30
Message-ID: 23763.1178606370@sss.pgh.pa.us
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"Pavan Deolasee" <pavan(dot)deolasee(at)gmail(dot)com> writes:
> On 5/8/07, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> I forgot to mention that any other operation that examines every table
>> row will fix all the hint bits as well. In particular a CREATE INDEX
>> would do that ---

> I might be missing something, but I think CREATE INDEX work on
> SnapshotAny and hence may not actually examine any table row ?

SnapshotAny is a no-op, but HeapTupleSatisfiesVacuum isn't.

regards, tom lane

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