On Thu, 10 Jul 2008 10:46:53 -0400
Tom Lane <[EMAIL PROTECTED]> wrote:
> This sub-select is non optimizable because you've got an outer
> reference in it, which compels re-evaluating it at every row of
> the outer query. Try recasting as
> explain select i1.brands, i1.name, i1.dataPub, i1.datains
On Thu, 10 Jul 2008 10:46:53 -0400
Tom Lane <[EMAIL PROTECTED]> wrote:
> Ivan Sergio Borgonovo <[EMAIL PROTECTED]> writes:
> > Now I try this:
>
> > explain select i1.brands, i1.name, i1.dataPub, i1.datainserimento
> > from catalog_items i1
> > inner join catalog_brands b1 on upper(i1.brands)
Ivan Sergio Borgonovo <[EMAIL PROTECTED]> writes:
> Now I try this:
> explain select i1.brands, i1.name, i1.dataPub, i1.datainserimento
> from catalog_items i1
> inner join catalog_brands b1 on upper(i1.brands)=upper(b1.name)
> where i1.ItemID in (
> select i2.ItemID from catalog_items i2
On Thu, Jul 10, 2008 at 11:40:40AM +0200, Ivan Sergio Borgonovo wrote:
> I've this:
What's basically killing you is this condition:
> select i2.ItemID from catalog_items i2
> inner join catalog_brands b2 on upper(i2.brands)=upper(b2.name)
> where i1.brands=i2.brands <*
> an
