Re: Premature view materialization in 8.2?

On 4/6/07, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> "Jonathan Ellis" <jonathan(at)utahpython(dot)org> writes:
> > On 4/5/07, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> >>> Is this a regression, or a "feature" of 8.2?
> >>
> >> Hard to say without EXPLAIN ANALYZE output to compare.
>
> > To my eye they are identical other than the speed but perhaps I am
> > missing something.
>
> Yeah, it sure is the same plan, and 8.2 seems to be a tad faster right
> up to the hash join on user_id. Is user_id a textual datatype? I'm
> wondering if the 8.2 installation is using a different locale --- the
> speed of simple string comparisons can be horrifically worse in some
> locales compared to others.

user_id is an int; they are both C locale.