The field works on the database level a bit differently than the other
fields in that it allows empty values to be stored as empty strings
rather than nulls.
Hide this implementation detail and keep the API consistent by
returning None if the field is in fact empty.
The field works on the database level a bit differently than the other fields in that it allows empty values to be stored as empty strings rather than nulls.
Hide this implementation detail and keep the API consistent by returning None if the field is in fact empty.
Refs TS-1980