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Posted to commits@airflow.apache.org by "Daniel Huang (JIRA)" <ji...@apache.org> on 2017/02/17 02:35:41 UTC
[jira] [Created] (AIRFLOW-882) Code example in docs has unnecessary
DAG>>Operator assignment
Daniel Huang created AIRFLOW-882:
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Summary: Code example in docs has unnecessary DAG>>Operator assignment
Key: AIRFLOW-882
URL: https://issues.apache.org/jira/browse/AIRFLOW-882
Project: Apache Airflow
Issue Type: Improvement
Components: docs
Reporter: Daniel Huang
Assignee: Daniel Huang
Priority: Trivial
The docs currently say:
{code}
We can put this all together to build a simple pipeline:
with DAG('my_dag', start_date=datetime(2016, 1, 1)) as dag:
(
dag
>> DummyOperator(task_id='dummy_1')
>> BashOperator(
task_id='bash_1',
bash_command='echo "HELLO!"')
>> PythonOperator(
task_id='python_1',
python_callable=lambda: print("GOODBYE!"))
)
{code}
But the {{dag >> ...}} is unnecessary because the operators are already initialized with the proper DAG (https://github.com/apache/incubator-airflow/blob/fb0c5775cda4f84c07d8d5c0e6277fc387c172e6/airflow/models.py#L1699).
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