Crash on cancel

[Beatrix Willius]

Hi Ruslan,

4.9 works fine, the crash only happens for 5 beta. Yes, I need to work in this issue some more, here I fully agree.

And also yes, you summarized the situation correctly.

On 11.04.2012, at 18:18, Ruslan Zasukhin wrote:

> On 4/11/12 7:00 PM, "Beatrix Willius" <bwillius at gmx.de> wrote:
> 
> Hi Beatrix,
> 
> We talk here about your test with 5.0 beta?
> Or this happens in 4.9 for you?  Or 4.9 was fine in this place?
> 
> PLEASE -- discuss 5.0 on beta list to not mix things...
> 
> 
>> Hi Ivan,
>> 
>> when exporting data it's possible to cancel the export. When doing a cancel I
>> get the crash. I don't understand the crash either. But it's 100%
>> reproducable. After canceling the interface reloads the data, which is the
>> same as when not canceling. But normal exports don't crash.
>> 
>> Canceling itself isn't easy:
>> 
>> - There is a menu item "Cancel".
>> - It gives a signal "CancelArchiving"
>> - A global  is set.
>> - The thread checks the global and stops whatever it's doing.
>> 
>> The crash doesn't happen if a cancel the import of data, just the export.
> 
> From DB ENGINE point of view,
>    menus, threads, global flags are not important ...
> 
> To do EXPORT, you just do many READs record by record,
> Then your code produce some file on disk ..
> Right?
> 
> Then you stop this operation -- nothing for db
> Then you RELOAD something -- and I think here crash happens ...
> 
> Yes you should isolate it better ...
> 
> 
>> I don't understand you sentence with "seems some problems with indexes". The
>> database exists, I just export the data.
> 
> I think problem is not in the indexes.

Mit freundlichen Grüßen/Regards

Trixi Willius

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