def visit_NCHAR(self, type_, **kw):
        # We'll actually generate the equiv.
        # "NATIONAL CHAR" instead of "NCHAR".
        if type_.length:
            return self._extend_string(
                type_, {'national': True},
                {'length': type_.length} % "CHAR(%(length)s)")
        else:
            return self._extend_string(type_, {'national': True}, "CHAR")
dataset/ETHPy150Open zzzeek/sqlalchemy/lib/sqlalchemy/dialects/mysql/base.py/MySQLTypeCompiler.visit_NCHAR/swapped operands of `%`