def safe_combine(self, model, alias, col):
        if col in model._meta.columns:
            return self.combine_field(alias, col)
        elif col in model._meta.fields:
            return self.combine_field(alias, model._meta.fields[col].db_column)
        return col
dataset/ETHPy150Open kuri65536/python-for-android/sl4atools/fullscreenwrapper2/examples/calcount2_example/peewee.py/BaseQuery.safe_combine/original