Subject Re: [Firebird-Architect] Vulcan services part II
Author Dmitry Yemanov
"Dimitry Sibiryakov" <aafemt@...> wrote:
>
> >The engine
> >providers will return the required info, if they're active (loaded by
active
> >attachments).
>
> How can they know it?

It's up to them. For example, currently there's a global active databases
list protected by a mutex.

> Then services provider returns the results to Y-valve who returns
> them back to application.

Correct.

> What's the purpose of this last trip? Why Y-
> valve can't return the results to user immediatelly after merging?

Because Y-valve should not implement SAPI :-) And because the call can be a
remote one.


Dmitry