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Re: index scan of whole table, can't see why

Re: index scan of whole table, can't see why  
andrew at pillette.com
 Re: index scan of whole table, can't see why  
Ragnar Hafstaš
From:andrew at pillette.com
Subject:Re: index scan of whole table, can't see why
Date:Wed, 19 Jan 2005 21:00:32 -0800
Let's see if I have been paying enough attention to the SQL gurus. The planner is making a different estimate of how many deprecated<>'' versus how many broken <> ''. I would try SET STATISTICS to a larger number on the ports table, and re-analyze.

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TIP 8: explain analyze is your friend
From:Ragnar Hafstaš
Subject:Re: index scan of whole table, can't see why
Date:Thu, 20 Jan 2005 09:23:58 +0000
On Wed, 2005-01-19 at 21:00 -0800, andrew@pillette.com wrote:
> Let's see if I have been paying enough attention to the SQL gurus.
> The planner is making a different estimate of how many deprecated<>'' versus how many broken <> ''.
> I would try SET STATISTICS to a larger number on the ports table, and re-analyze.

that should not help, as the estimate is accurate, according to the
explain analyze.

gnari



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