Postgres Pro
Downloads
Home   >   mailing lists

Re: indexes across joins not used for count - Mailing list pgsql-novice

From Jeremy Wells
Subject Re: indexes across joins not used for count
Date
Msg-id 5084697F.8070806@gmail.com
Whole thread Raw
In response to Re: indexes across joins not used for count  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-novice
Tree view 
Tom Lane wrote:
> (Or, perhaps, you
> are using a version too old to be able to use an index for IS NULL?
> You didn't mention your PG version, which is a fundamental mistake in
> any performance-related question.)
I'm using 9.1

pgsql-novice by date:

Previous
From: Tom Lane
Date:
Subject: Re: indexes across joins not used for count
Next
From: Gerhard Peters
Date:
Subject: Error 1935 An error