From: | Decibel! <decibel(at)decibel(dot)org> |
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To: | Chris Kratz <chris(dot)kratz(at)vistashare(dot)com> |
Cc: | pgsql-performance(at)postgresql(dot)org |
Subject: | Re: Incorrect estimates on correlated filters |
Date: | 2008-08-16 18:21:47 |
Message-ID: | 79BDF0DC-E61B-4790-89A0-88069D44F6F0@decibel.org |
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Thread: | |
Lists: | pgsql-performance |
On Aug 13, 2008, at 1:45 PM, Chris Kratz wrote:
> Yes, I know hints are frowned upon around here. Though, I'd love
> to have them or something equivalent on this particular query just
> so the customer can run their important reports. As it is, it's
> unrunnable.
Actually, now that I think about it the last time this was brought up
there was discussion about something that doesn't force a particular
execution method, but instead provides improved information to the
planner. It might be worth pursuing that, as I think there was less
opposition to it.
--
Decibel!, aka Jim C. Nasby, Database Architect decibel(at)decibel(dot)org
Give your computer some brain candy! www.distributed.net Team #1828
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