Re: new BUG: "postgresql 9.2.3: very long query time" - Mailing list pgsql-bugs

Jeff Janes <jeff.janes@gmail.com> writes:
> On Friday, February 22, 2013, Tom Lane wrote:
>> Try increasing from_collapse_limit to 11 or more.

> I've increased it to 20 and still no luck.

Huh --- that improved the results for me.

> I've stripped it down to this:

I'm not sure if that's exactly the same issue the OP is hitting, but
will take a look at it.  Thanks for the simpler test case.

            regards, tom lane