| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl>, pgsql-committers(at)postgresql(dot)org |
| Subject: | Re: pgsql-server/src/backend/commands cluster.c |
| Date: | 2002-11-04 02:34:51 |
| Message-ID: | 200211040234.gA42Yqk04066@candle.pha.pa.us |
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| Lists: | pgsql-committers |
Tom Lane wrote:
> Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl> writes:
> > On Sat, Nov 02, 2002 at 04:20:47PM -0500, Tom Lane wrote:
> >> During swap_relfilenodes, swap relation size statistic fields along with
> >> the relfilenode and toast fields. This ensures that the newly-computed
> >> statistics will be available on completion of CLUSTER.
>
> > I haven't seen the change, but does this mean that ANALYZE is no longer
> > needed right after CLUSTER?
>
> If the pg_statistic entries were already good, then you shouldn't need
> an ANALYZE, no.
The CLUSTER manual page recommends a analyze to update the clustered
nature of the table. Is that still needed?
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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