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Re: broken 'SHOW TABLE'-like query works in 8, not 8.1.1

From: Sebastian <buddhahead(at)gmail(dot)com>
To: Michael Fuhr <mike(at)fuhr(dot)org>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: broken 'SHOW TABLE'-like query works in 8, not 8.1.1
Date: 2005-12-30 23:46:09
Message-ID: 4e36d31d0512301546x443b7e95ha6710ac69dda85cf@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-hackers
Changing enable_nestloop works great -- I'll use it for now. Thanks all

On 12/30/05, Michael Fuhr <mike(at)fuhr(dot)org> wrote:
> On Fri, Dec 30, 2005 at 11:02:20AM -0700, Michael Fuhr wrote:
> > On Fri, Dec 30, 2005 at 03:15:03AM -0500, Sebastian wrote:
> > > Any ideas for a temporary work around?
> >
> > You could try querying the system catalogs directly instead of using
> > the information_schema views;
>
> You could also set enable_nestloop to off for your original query.
> Now that EXPLAIN is fixed it looks like 8.1.1 is choosing a nested
> loop where a hash join is actually much faster.
>
> --
> Michael Fuhr
>

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