Re: timestamped archive data index searches - Mailing list pgsql-general

On Sat, Jul 20, 2002 at 07:29:08PM +0000, Stephen Birch wrote:
>
> BTW Another thing I notice with a large database is that count(*) takes
> ages, it
> looks like it has to scan every record. This may be a newbie question or a
> faq, but isn't there a record count kept that would make count(*) return
> quickly?

No.  MVCC means that the count() for every connection could be
different.  So it has to do a seqscan every time.

A

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