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Updated example python code #44

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Updated example python code #44

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20 changes: 15 additions & 5 deletions src/docs/reference.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -202,8 +202,8 @@ FLOW

The ``FLOW`` atom defines the DAG links between the operators.

``FLOW`` is a dict of lists, where a key is a downstream operator name,
and a value is a list of upstream operators.
``FLOW`` is a dict of lists, where a key is an upstream operator name,
and a value is a list of downstream operators.

Consider the following flow:

Expand All @@ -221,10 +221,20 @@ equivalent would be:

.. code-block:: python

my_sensor.set_upstream(my_task_1)
my_sensor.set_upstream(my_task_2)
my_sensor.set_downstream(my_task_1)
my_sensor.set_downstream(my_task_2)

my_task_1.set_upstream(my_task_3)
my_task_1.set_downstream(my_task_3)

Or in Airflow 1.8, this can be done with the Python bitshift operators as:

.. code-block:: python

my_sensor >> my_task_1
my_sensor >> my_task_2

my_task_1 >> my_task_3


This would be rendered in the Airflow web-interface like this:

Expand Down