final public static function isEmptiable($fieldName) {
		
		$column = static::getColumnType($fieldName);
		
		if (is_null($column)) {
			return NULL;
		}
		
		$emptiables = ['CHAR','VARCHAR','TINYTEXT','TEXT','MEDIUMTEXT','BIGTEXT'];
		
		if (in_array($column->type, $emptiables) or ('ENUM' == $column->type and in_array('', $column->length))) {
			return TRUE;
		} else {
			return FALSE;
		}
		
		
	}