If you mean blank like '', then if the field is a string, it would be normal behavior as is.
If it's any other type of field, set a default value and it will take the place of a non existent value.
Robert Fitzpatrick wrote:
> Looking for the best way of handling this, would like to do it in the
> database and not in my apps. I set a field to 'Not Null', but if a blank
> value comes in, the field will accept it as just that, a blank string.
> How can avoid this using a trigger or function? I thought about a
> function that would check the field and then place a trigger, but that
> gets to be a lot of functions and triggers for different fields. Is
> there a way to pass a field name to the function? (in plpgsql)
>
> Or what is the best way to handle this for many different fields in many
> tables?
>
> --
> Robert
>
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