| 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: | Gavin Sherry <swm(at)linuxworld(dot)com(dot)au>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: CLUSTER and indisclustered |
| Date: | 2002-08-04 03:22:53 |
| Message-ID: | 200208040322.g743MrS26717@candle.pha.pa.us |
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| Lists: | pgsql-hackers |
Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > Tom, should we be updating that flag after we CLUSTER instead of
> > requiring an ANALYZE after the CLUSTER?
>
> Could do that I suppose, but I'm not super-excited about it. ANALYZE is
> quite cheap these days (especially in comparison to CLUSTER ;-)). I'd
> settle for a note in the CLUSTER docs that recommends a subsequent
> ANALYZE --- this seems no different from recommending ANALYZE after bulk
> data load or other major update of a table.
OK. I am sure it is not obvious to people to ANALYZE because the data
in their table hasn't changed, just the ordering.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
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