Re: Need little help with a validation rule

In your model you can override the save() method to check if all
fields are empty. If they are then ignore the record. If one or more
are set then call parent::save()... using the validation rule Brian
mentioned.

On Apr 29, 9:43 am, Ernesto <e.fanz...@gmail.com> wrote:
> Hello.
>
> I have a model with 5 fields
>
> model_id
> parameter_A
> parameter_B
> parameter_C
> parameter_D
>
> if none of them are set -> the model should ignore the record
> if all of them are set -> the model should save the record
> if some of them are set ->the model should return a validation error
>
> what rule can i use?
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