Re: Support Parallel Query Execution in Executor

"Markus Schiltknecht" <markus@bluegap.ch> wrote
> Hi,
>
> On Sun, 2006-04-09 at 15:11 -0400, Tom Lane wrote:
> > You can't just retarget a backend to operate in another database, at
> > least not without major changes in that infrastructure.
>
> Why not? What would be needed to retarget a backend to operate in
> another database?
>

As Tom pointed out, without big change, a backend on database "D1" can't
connect to "D2". This is because to connect to a database, we need to
initialize a lot of variables. So when you reconnect to another one on the
fly, you have to change these variables one by one.

Regards,
Qingqing