Re: OLAP idea - Mailing list pgsql-general

From Nigel J. Andrews
Subject Re: OLAP idea
Date
Msg-id Pine.LNX.4.21.0205090011150.2371-100000@ponder.fairway2k.co.uk
Whole thread Raw
In response to OLAP idea  (grant <grant@amadensor.com>)
List pgsql-general
On Wed, 8 May 2002, grant wrote:

> I noticed that it is possible to build an index on a function to speed
> retrieval of data.  The example in the docs was a create index on a name
> field forced to lower case.  Would it be possible to make an index on an
> aggregate to speed the return of aggregate info, while keeping it up to
> date as the data changes?  I know that index maintenance would be HUGE
> overhead, but on mostly static data that gets occasional updates, it could
> be good.

No, it isn't possible to create an index on a function.


--
Nigel J. Andrews
Director

---
Logictree Systems Limited
Computer Consultants


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