def column_stats(self):
        return self._client.column_stats(self._qualified_name)
When called, exits the shell application.  Calls the shutdown
dataset/ETHPy150Open cloudera/ibis/ibis/impala/client.py/ImpalaTable.column_stats--crossover with--dataset/ETHPy150Open StorjOld/downstream-farmer/downstream_farmer/utils.py/ShellApplication.signal_handler