On Thu, Feb 24, 2011 at 20:56, Dave Johansen <davejohan...@gmail.com> wrote:
> On Thu, Feb 24, 2011 at 12:33 PM, Vik Reykja <vikrey...@gmail.com> wrote: > >> On Thu, Feb 24, 2011 at 16:14, Dave Johansen <davejohan...@gmail.com>wrote: >> >>> You'll notice that the subquery version is doing the full join and then >>> the filtering, but the explicitly listed version pushing the filtering into >>> the plan before the join. Is there a way to make the subquery version >>> perform the same optimization? >>> >> >> EXPLAIN ANALYZE SELECT * FROM addressesall WHERE id = ANY (array(SELECT id >> FROM users WHERE name='A')); >> >> (Tested on 9.0.3) >> > > I just tested that on 8.3.3 and it performed quickly like I expected the > other query to, so that did the trick. > Is there any good reason you're not using 8.3.14? > Thanks a ton, > You're welcome.
