idFieldName method

@override String idFieldName([ O? o ])

Implementation

@override
String idFieldName([O? o]) {
  if (_idFieldsName == null) {
    // Just to populate:
    if (_fieldsNames == null) {
      fieldsNames(o);
    }

    var fieldName = findIdFieldName(o);
    _idFieldsName = fieldName ?? 'id';
  }
  return _idFieldsName!;
}