Fokko commented on a change in pull request #4322: [AIRFLOW-3518] Performance
fixes for topological_sort
URL: https://github.com/apache/incubator-airflow/pull/4322#discussion_r241836663
##########
File path: airflow/models.py
##########
@@ -2662,10 +2662,15 @@ def __init__(
}
def __eq__(self, other):
- return (
- type(self) == type(other) and
- all(self.__dict__.get(c, None) == other.__dict__.get(c, None)
- for c in self._comps))
+ if (type(self) == type(other) and
+ self.task_id == other.task_id):
Review comment:
So comparing the `task_id`s is just an optimization. If they differ, the
attributes `task_id`, `dag_id`, `owner`, `email`, `email_on_retry`,
`retry_delay`, `retry_exponential_backoff`, `max_retry_delay`, `start_date`,
`schedule_interval`, `depends_on_past`, `wait_for_downstream`, `adhoc`,
`priority_weight`, `sla`, `execution_timeout`, `on_failure_callback`,
`on_success_callback` and `on_retry_callback` are compared to determine if the
dags are really equal.
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