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

[Ruslan Zasukhin]

On 6/17/08 1:19 PM, "Marc Schmitt" <Marc_Schmitt at gmx.de> wrote:

Hi Marc,
 
> just to eliminate all doubt that we don't talk at cross purposes:
> 
> tested with V4DB v3.5 (01-Dec-2007); v3.5.1 (08-Dec-2007)  and 3.5.2
> on WinXP(german) SP2 and Dir MX2004:
> 
> DB-file ist not read-only (checked with explorer)
> 
> In projector1:
> db = new (Xtra "VDatabase")
> thePath = c:\...\db.vdb
> db.open(thePath)   (don't close; keep on running) ->
> db.isOpen = 1
> db.isReadonly = 0
> valentina.lastError = 0
> 
> 
> In projector2:
> db = new (Xtra "VDatabase")
> thePath = c:\...\db.vdb
> db.open(thePath) ->
> db.isOpen = 1
> db.isReadonly = 0
> valentina.lastError = 0    => But should be <> 0 , right???

By idea yes.

Once again. This *trick* was not used by people few years.
And this is not official supported way.


Try in the second projector do some WRITE operation and see what happens.



-- 
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]