Because in my case the record is not deleted simply deactivated.

But there are other scenarios:
 - Making additional checks before allowing the record deletion;
 - Asking for the password of a supervisor before allowing the record 
deletion;
 - Making some changes to other tables as a consequence of the record 
deletion;
 - Wanting to receive an email when someone deletes a record from a special 
table;
 - Doing some house keeping or some other task when someone deletes a 
record.

There are 5 options when entering the grid's edit:
1. The user checks the record and decides to delete it without making any 
changes, selects the delete checkbox and submits.
2. The user makes some changes that are valid and then decides to delete 
the record and submits both the valid changes (which don't get saved) and 
the delete checkbox selected.
3. The user makes some changes that are not valid (eg. changing a unique 
field to a value that already exists) and submits. He receives the 
validation error message, corrects the value to a valid one and then 
decides to delete the record and submits with the delete checkbox selected.
4. The user makes some changes that are not valid (eg. changing a unique 
field to a value that already exists) and submits. He receives the 
validation error message, doesn't correct the value and decides to delete 
the record and submits with the delete checkbox selected.
5. The user makes some changes that are not valid (eg. changing a unique 
field to a value that already exists) and then decides to delete the record 
and submits both the invalid changes and the delete checkbox selected.

In 1, 2 and 3 web2py calls onvalidation. But not on 4 and 5 (which submit 
the same information, an invalid value and the delete checkbox selected). 
That is the problem here.


quarta-feira, 10 de Abril de 2019 às 20:38:17 UTC+1, Anthony escreveu:
>
> I found a bug in the grid's edit validation.
>> I follow this procedure:
>>  - Select a record to edit.
>>  - Change one of the fields that must be unique and change it to a value 
>> that already exists.
>>  - web2py shows an error message (which is correct and happens before 
>> going to onvalidation, which is also correct).
>>  - Change the value to something that doesn't already exist in the table.
>>  - Mark the record for deletion.
>>  - Submit the record.
>>
>> The bug I found is that web2py was supposed to go to onvalidation before 
>> deleting the record and that doesn't happen.
>>
>
> If the record is being deleted, why would you need to validate the 
> submitted values (given that they will not be applied)?
>
> Anthony
>

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