`airflow.models.taskreschedule`¶

TaskReschedule tracks rescheduled task instances.

Module Contents¶

Classes¶

TaskReschedule

TaskReschedule tracks rescheduled task instances.

class airflow.models.taskreschedule.TaskReschedule(task, run_id, try_number, start_date, end_date, reschedule_date)[source]¶

Bases: airflow.models.base.Base

TaskReschedule tracks rescheduled task instances.

__tablename__ = task_reschedule[source]¶

id[source]¶

task_id[source]¶

dag_id[source]¶

run_id[source]¶

try_number[source]¶

start_date[source]¶

end_date[source]¶

duration[source]¶

reschedule_date[source]¶

__table_args__[source]¶

dag_run[source]¶

execution_date[source]¶

static query_for_task_instance(task_instance, descending=False, session=None, try_number=None)[source]¶

Returns query for task reschedules for a given the task instance.

Parameters

session (sqlalchemy.orm.session.Session) – the database session object
task_instance (airflow.models.TaskInstance) – the task instance to find task reschedules for
descending (bool) – If True then records are returned in descending order
try_number (int) – Look for TaskReschedule of the given try_number. Default is None which looks for the same try_number of the given task_instance.

static find_for_task_instance(task_instance, session=None, try_number=None)[source]¶

Returns all task reschedules for the task instance and try number, in ascending order.

Parameters

session (sqlalchemy.orm.session.Session) – the database session object
task_instance (airflow.models.TaskInstance) – the task instance to find task reschedules for
try_number (int) – Look for TaskReschedule of the given try_number. Default is None which looks for the same try_number of the given task_instance.

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