openerp-expert-ergonomy team mailing list archive

["Borja López Soilán (Pexego)" <borjals@xxxxxxxxx>]

Ferdinand Gassauer wrote:
> my 2c: the "duplicate" information in forms (notebook tabs ) and as action
> * having the information in a notebook tab gives the possibility to navigate 
> back and forth in the sales order - displaying the associated information
>   
Yeah, it is more "visible" for the user, but beware! it may have 
undesired side-effects: "concurrency errors".

If some related information is displayed on a one2many (list) widget, 
for example the tasks of a project, all the lines of the one2many are 
written at once with the main object. So if some user is editing a 
single task, and another user does an edit from the project form, the 
first user will receive a "concurrency error" when he tries to save the 
task.

I don't know if the situation has been improved, but when we fell into 
this 'trap' ourselves (showing the tasks of a project into a tab) it 
took us a while to realize why we where having so many "concurrency" 
warnings when editing tasks >_<

--
Borja López Soilán
borjals@xxxxxxxxx

Pexego Sistemas Informáticos S.L.
Avenida de Magoi 66 - 27002 Lugo (España)
Tel./Fax 982801517
http://www.pexego.es 


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