On Friday 06 June 2008 18:32:23 Jonah H. Harris wrote:
> On Fri, Jun 6, 2008 at 6:26 PM, Seth Grimes <grimes@altaplana.com> wrote:
> > My understanding is that the MPP vendors using PostgreSQL and Ingres are
> > not *significantly* altering the software other than to, essentially,
> > turn off reliance on indexes. They're then adding extensions that are
> > proprietary and not, except in the case of GridSQL, open source. Is my
> > understanding correct?
>
> We make closed-source changes related to the Postgres core related to
> performance and Oracle compatibility. But, while these changes are
> fairly significant, they do not prevent us from laying over a newer
> version of Postgres. Similarly, as you mentioned, GridSQL is fully
> open source.
>
Note that GridSQL, while it works with postgres, was developed completely
seperate and independently from postgresql.
--
Robert Treat
Build A Brighter LAMP :: Linux Apache {middleware} PostgreSQL
