(cough cough, missed the Reply to all button)
Hi Jeff,
On Sat, Dec 8, 2012 at 3:32 AM, Jeff Janes wrote:
> If those estimates are better, it probably means that your filter
> condition is picking a part of the "el JOIN l" that has much different
> selectivity to r than the full set does, and Pos
On Tue, 2012-12-04 at 15:42 -0800, Jeff Janes wrote:
> On Tue, Dec 4, 2012 at 10:03 AM, wrote:
> >[...]
> >
> > Is there some nice bit of literature somewhere that explains what sort of
> > costs are associated with the different types of lookup?
>
> I've heard good things about Greg Smith's boo
On Sat, Dec 8, 2012 at 5:19 AM, Guillaume Smet wrote:
> Hi Jeff,
>
> On Sat, Dec 8, 2012 at 3:32 AM, Jeff Janes wrote:
>> If those estimates are better, it probably means that your filter
>> condition is picking a part of the "el JOIN l" that has much different
>> selectivity to r than the full s
