| From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
|---|---|
| To: | Adam Rich <adam(dot)r(at)sbcglobal(dot)net> |
| Cc: | "'Craig A(dot) James'" <cjames(at)modgraph-usa(dot)com>, "'Guy Rouillier'" <guyr-ml1(at)burntmail(dot)com>, "'PostgreSQL Performance'" <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: High update activity, PostgreSQL vs BigDBMS |
| Date: | 2007-01-08 03:09:59 |
| Message-ID: | 1168225799.724.0.camel@localhost.localdomain |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
On Sun, 2007-01-07 at 20:26 -0600, Adam Rich wrote:
> I'm using 8.2 and using order by & limit is still faster than MAX()
> even though MAX() now seems to rewrite to an almost identical plan
> internally.
Gonna need you to back that up :) Can we get an explain analyze?
> Count(*) still seems to use a full table scan rather than an index scan.
>
There is a TODO out there to help this. Don't know if it will get done.
Joshua D. Drake
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