def execute(self, query, params):
        if query.startswith('SELECT 1 FROM table_updates'):
            self.fetchone_result = (1, ) if self.existing in params[0] else None
        else:
            self.fetchone_result = None
dataset/ETHPy150Open spotify/luigi/test/postgres_test.py/MockPostgresCursor.execute/swapped operands of `in`