From: | Tobias Brox <tobias(at)nordicbet(dot)com> |
---|---|
To: | Mark Kirkwood <markir(at)paradise(dot)net(dot)nz> |
Cc: | Tobias Brox <tobias(at)nordicbet(dot)com>, pgsql-performance(at)postgresql(dot)org |
Subject: | Re: Limit + group + join |
Date: | 2005-08-26 06:20:51 |
Message-ID: | 20050826062051.GN10328@tobias.lan |
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Thread: | |
Lists: | pgsql-performance |
[Mark Kirkwood - Fri at 03:01:01PM +1200]
> Tobias,
> Interesting example:
>
> The 'desc' seems to be the guy triggering the sort, e.g:
Oh; really an accident that I didn't notice myself, I was actually going to
remove all instances of "desc" in my simplification, but seems like I forgot.
> However being a bit brutal:
>
> set enable_mergejoin=false;
> set enable_hashjoin=false;
:-) maybe I can use that in production. I'll check.
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