Re: influenceing the optomizers choice on where clause - Mailing list pgsql-general

From Holger Marzen
Subject Re: influenceing the optomizers choice on where clause
Date
Msg-id Pine.LNX.4.44.0202150715040.30871-100000@bluebell.marzen.de
Whole thread Raw
In response to influenceing the optomizers choice on where clause execution  (david blood <davidjblood@yahoo.com>)
List pgsql-general
On Thu, 14 Feb 2002, david blood wrote:

> I thought I read somewhere but can't find it that the execution of the where
> clause statements in up to the optimizer.  Is there a way to affect that?

Yes. You can - for example - encourage it to use indexes (indices?) even
if it would prefer a table scan.

See the online docs:
Chapter 3. Server Runtime Environment
-> 3.4.1. Planner and Optimizer Tuning

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