def left_join(self, table, one=None, operator=None, two=None):
        if isinstance(table, JoinClause):
            table.type = 'left'

        return self.join(table, one, operator, two, 'left')
Tests that remove_all_jobs() removes all jobs from all attached
dataset/ETHPy150Open sdispater/orator/orator/query/builder.py/QueryBuilder.left_join--crossover with--dataset/ETHPy150Open agronholm/apscheduler/tests/test_schedulers.py/TestBaseScheduler.test_remove_all_jobs