On Thu, Feb 3, 2011 at 11:22, Marc Bettex <bet...@epsitec.ch> wrote:
> Hi,
>
> I have some strange behavior with the FbBackup and the FbRestore objects.
> >From what I have read in the mailing list archive, I think that their
> Execute() method should by synchronous, i.e. that the backup or the restore
> of the database is done when the method returns.
>
> When I backup/restore a database with these objects and I set their verbose
> mode to false, then the method behaves asynchronously and returns
> immediately, while the database is stilled being backed up or restored. Then
> when I try to connect to the database, I get an exception because the
> database has been shut down. However, when I set their verbose mode to true,
> their behavior seems to become synchronous and the method returns only when
> the backup/restore is done. I'm not sure that the method is really
> synchronous in that case, or if it is luck or due to some side effect in the
> tracing. These two behaviors are reproduced each time I try to do this.
>
> There is this bug report (http://tracker.firebirdsql.org/browse/DNET-114 )
> which might be related, but I'm not sure. Also, I haven't found any
> description of how these methods are supposed to behave, so I don't really
> know if that's a bug or their intended behavior.
>
> So, does anybody have an idea or an explanation about this?
The method behaves according to Services API provided by server. Hence
when you start the backup/restore, it runs on server and the client
only gets the string output (if requested).
Maybe you are confused, because the event is fired while processing
the coming data and your event handler effectively process it.
--
Jiri {x2} Cincura (x2develop.com founder)
http://blog.cincura.net/ | http://www.ID3renamer.com
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