feluelle commented on a change in pull request #7541: [AIRFLOW-6822] AWS hooks
should cache boto3 client
URL: https://github.com/apache/airflow/pull/7541#discussion_r385080404
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File path: airflow/providers/amazon/aws/sensors/athena.py
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@@ -57,13 +57,11 @@ def __init__(self,
super().__init__(*args, **kwargs)
self.aws_conn_id = aws_conn_id
self.query_execution_id = query_execution_id
- self.hook = None
self.sleep_time = sleep_time
self.max_retires = max_retires
+ self.hook = AWSAthenaHook(self.aws_conn_id, self.sleep_time)
Review comment:
Please don't initiate a Hook in an Operators `__init__`, because 1. the
`__init__` will be called more often / every time the scheduler reads the dag
file. 2. The Hook will also be initiated even if the Operator doesn't execute.
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