Re: Improving join performance over multiple moderately wide tables - Mailing list pgsql-performance

From Robert Haas
Subject Re: Improving join performance over multiple moderately wide tables
Date
Msg-id 603c8f070910181749m200a0ff5kcc967f016cd9bad7@mail.gmail.com
Whole thread Raw
In response to Improving join performance over multiple moderately wide tables  (miller_2555 <nabble.30.miller_2555@spamgourmet.com>)
List pgsql-performance
On Fri, Oct 16, 2009 at 5:12 PM, miller_2555
<nabble.30.miller_2555@spamgourmet.com> wrote:
>  [...snip...] attempted to set the `join_collapse_limit` to '1'  [...]

That seems like an odd thing to do - why did you do this?  What
happens if you don't?

I have never seen anything like the bizarrely large row estimates that
you have here.  Any chance you can extract a standalone, reproducible
test case?

...Robert

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