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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2018/12/08 17:16:42 UTC
[GitHub] xnuinside edited a comment on issue #4274: [AIRFLOW-3438] Fix
default values in BigQuery Hook & BigQueryOperator
xnuinside edited a comment on issue #4274: [AIRFLOW-3438] Fix default values in BigQuery Hook & BigQueryOperator
URL: https://github.com/apache/incubator-airflow/pull/4274#issuecomment-445470507
@kaxil, I found one more issue :/ it's not relative to your PR, but relative to my :(
<img width="400" alt="screen shot 2018-12-08 at 19 06 22" src="https://user-images.githubusercontent.com/15959809/49687987-75465600-fb1c-11e8-9be4-c7d775cf717e.png">
need change https://github.com/apache/incubator-airflow/blob/85bdd8103a2e318b14e025a28715b56b8f69b33a/airflow/contrib/operators/bigquery_operator.py#L109 to `destination_dataset_table=None,`
also, I found very strange behavior and I can not find the reason.
I have such test DAG:
```
dag = DAG(dag_id="test_dag", start_date=datetime(2018, 12, 8))
task = BigQueryOperator(task_id="bigquery_test",
dag=dag,
sql="SELECT * FROM hh_for_run.delta_ts;")
def query():
BigQueryHook().get_conn().cursor().run_query(
sql="SELECT * FROM hh_for_run.delta_ts;")
task_1 = PythonOperator(task_id="hook_s", python_callable=query, dag=dag)
```
And task that work with BigQueryOperator fails with such error:
```
[2018-12-08 17:12:48,558] {base_task_runner.py:98} INFO - Subtask: cluster_fields=self.cluster_fields,
[2018-12-08 17:12:48,559] {base_task_runner.py:98} INFO - Subtask: File "/home/airflow/gcs/dags/dagutils/airflow_master/hooks/bigquery_hook.py", line 681, in run_query
[2018-12-08 17:12:48,561] {base_task_runner.py:98} INFO - Subtask: param_type)
[2018-12-08 17:12:48,562] {base_task_runner.py:98} INFO - Subtask: File "/home/airflow/gcs/dags/dagutils/airflow_master/hooks/bigquery_hook.py", line 1796, in _validate_value
[2018-12-08 17:12:48,562] {base_task_runner.py:98} INFO - Subtask: key, expected_type, type(value)))
[2018-12-08 17:12:48,563] {base_task_runner.py:98} INFO - Subtask: TypeError: query argument must have a type <type 'str'> not <type 'unicode'>
```
but task_1 with PythonOperator works correctly. But query same.
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