ok. thanks, when my project will move to 8.4, I `ll re-do this test.
________________________________ From: Tom Lane <[email protected]> To: Kevin Grittner <[email protected]> Cc: Robert Haas <[email protected]>; assaf lehr <[email protected]>; [email protected] Sent: Thu, November 5, 2009 5:21:28 PM Subject: Re: [BUGS] BUG #5165: Poor performance with Left-join where right side does not exist "Kevin Grittner" <[email protected]> writes: > assaf lehr <[email protected]> wrote: >> let me explain it better. >> [hand-waving and pseudo-code] > People would like to help you, but you're not providing enough > information to let them. Well, the really important point is that this query is using a construction that was specifically improved in 8.4. The advice is still going to be the same: see if it isn't better with 8.4. regards, tom lane
