Re: Performance Killer 'IN' ? - Mailing list pgsql-general

From Joshua D. Drake
Subject Re: Performance Killer 'IN' ?
Date
Msg-id 442C4EBC.5040808@commandprompt.com
Whole thread Raw
In response to Re: Performance Killer 'IN' ?  (Kai Hessing <kai.hessing@hobsons.de>)
Responses Re: Performance Killer 'IN' ?  (Kai Hessing <kai.hessing@hobsons.de>)
List pgsql-general
Kai Hessing wrote:
>> and it took about 10 Minutes to execute. So it is nearly a hundred times
>> slower. Can this be verified? Is there anything that can be done about
>> that? Else I would need to have a few words with our programmers...
>
> OK... I overstated a little bit. The real numbers are:
>
> 1.) 21.5 seconds
> 2.) 363.7 seconds
>
> But it is still a significant difference.

Can you provide an explain analyze of each query?

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