| From: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
|---|---|
| To: | Josh Berkus <josh(at)agliodbs(dot)com> |
| Cc: | PostgreSQL Advocacy <pgsql-advocacy(at)postgresql(dot)org> |
| Subject: | Re: DRAFT beta release announcement |
| Date: | 2010-04-28 22:15:52 |
| Message-ID: | 1272492952.4161.11749.camel@ebony |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-advocacy |
On Wed, 2010-04-28 at 14:38 -0700, Josh Berkus wrote:
> > I think the join removal feature is of critical importance, much more so
> > than many of the above items.
>
> I just don't have any figures on actual performance benefit from this,
> which will be the *first* thing a reporter asks.
"Orders of magnitude" saving. It's not *faster* it just doesn't do the
work at all any more.
> > I might describe it like in *one* of these ways
> >
> > * Automatic join removal to optimise complex SQL generated by OR mapping
> >
> > * Major new optimizations for complex automatically generated SQL
>
> How about
>
> * Optimization of ORM-generated queries through automatic join removal
Good. All 3 do it for me, but I think I'm too close to judge.
--
Simon Riggs www.2ndQuadrant.com
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