[web2py] Re: validator for self-join

[Anthony]

On Friday, May 6, 2011 8:56:12 AM UTC-7, pbreit wrote: 
>
> I think this might be what you want: 
>
> crud.settings.create_onvalidation.mytablename.append(lambda form:....)
>
> http://web2py.com/book/default/chapter/07#Settings
>
 
In the case of crud.update, it would be crud.settings.update_onvalidation. 
But crud.update(..., onvalidation=f) should work too.