airflow HiveOperator实例

from airflow import DAG
from airflow.operators import HiveOperator
from datetime import datetime, timedelta
from airflow.models import Variable
from airflow.operators import ExternalTaskSensor
from airflow.operators import EmailOperator

default_args = {
    ‘owner‘: ‘airflow‘,
    ‘depends_on_past‘: False,
    ‘start_date‘: datetime(2019, 6, 1),
    ‘email‘: [‘810905729@qq.com‘],
    ‘email_on_failure‘: False,
    ‘email_on_retry‘: False,
    ‘retries‘: 1,
    ‘retry_delay‘: timedelta(minutes=1),
    ‘end_date‘: datetime(9999, 1, 1),
}

dag = DAG(‘dw_ly‘, default_args=default_args, schedule_interval=‘30 10 * * *‘,  catchup=False)

t1 = HiveOperator(
    task_id=‘dw_ly‘,
    hql=‘select * from test1.employee ‘,
    dag=dag)
t1