我是 Airflow 的新手,我正在尝试为我的 DAG 创建图表,但我不断收到以下错误:
SQL execution failed. Details: 'NoneType' object has no attribute 'get_pandas_df'
我的查询看起来像:
SELECT dag_id, execution_date, count(*) as ccount FROM task_instance GROUP BY dag_id, execution_date
我是 Airflow 的新手,我正在尝试为我的 DAG 创建图表,但我不断收到以下错误:
SQL execution failed. Details: 'NoneType' object has no attribute 'get_pandas_df'
我的查询看起来像:
SELECT dag_id, execution_date, count(*) as ccount FROM task_instance GROUP BY dag_id, execution_date