V4MD: Multiple opened Projector edit the same local db -> is that safe?

[Ruslan Zasukhin]

On 6/10/08 4:52 PM, "Marc Schmitt" <Marc_Schmitt at gmx.de> wrote:

Hi Marc,

> Are you inferring that:
> - each Projector has to re-open the db, do its query and then close the db on
> every occasion?

Yes, this is open/close trick.

You can find a lots of info about it on this list archive about 2000 - 2006
years

> - the projector opens the db only if 'db.isOpen' is 0 ?

Yes.

Although on MAC OS X you need yet own  .lock file
Also see lists archives.

> - and when 'db.isOpen' = 1 then the projector has to wait until 'db.isOpen' =
> 0 again ?

Yes - 
 
> is that alltogether the open/close trick?
> If not, could you please provide more info on that?



-- 
Best regards,

Ruslan Zasukhin
VP Engineering and New Technology
Paradigma Software, Inc

Valentina - Joining Worlds of Information
http://www.paradigmasoft.com

[I feel the need: the need for speed]