Re: Query execution plan from 8.3 -> 8.4

Thanks for the advice, will do.

Regards,
Brendan Hill
Chief Information Officer
Jims Group Pty Ltd
48 Edinburgh Rd
Mooroolbark VIC 3138
www.jims.net

For all Jims IT enquiries: infotech@jims.net
For emergencies: 1300 130 490 (intl +61 4 3456 5776)


-----Original Message-----
From: Kevin Grittner [mailto:Kevin.Grittner@wicourts.gov] 
Sent: Thursday, 13 May 2010 12:29 AM
To: Brendan Hill; pgsql-hackers@postgresql.org
Subject: Re: [HACKERS] Query execution plan from 8.3 -> 8.4

"Brendan Hill" <brendanh@jims.net> wrote:
> AND Notes.Person_ID IN (SELECT
> ISNULL(Personnel.Person_ID, Businesses.Main_Person_ID)
You might try switching this to an EXISTS test.
If you post on this topic again, really it should be on the -perform
list, as Stephen mentioned, and review this page for ideas on other
information (like hardware and the postgresql.conf file) which might
help people better understand the problem:
http://wiki.postgresql.org/wiki/SlowQueryQuestions
-Kevin