Re: no index-usage on aggregate-functions? - Mailing list pgsql-performance

From Bruno Wolff III
Subject Re: no index-usage on aggregate-functions?
Date
Msg-id 20040629134406.GC28041@wolff.to
Whole thread Raw
In response to Re: no index-usage on aggregate-functions?  ("Harald Lau (Sector-X)" <harald@sector-x.de>)
List pgsql-performance
On Tue, Jun 29, 2004 at 10:46:27 +0200,
  "Harald Lau (Sector-X)" <harald@sector-x.de> wrote:
>
> hmmmm...
> So, it seems that PG is not soooo well suited for a datawarehouse and/or performing extensive
statistics/calculations/reportingson large tables, is it? 

If you are doing lots of selects of aggregates relative to the number of
updates, you can cache the values of interest in derived tables and use
triggers to keep those tables up to date.

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