from airflow import DAG
from airflow.operators.python import PythonOperator
from airflow_clickhouse_plugin.hooks.clickhouse import ClickHouseHook
from datetime import datetime

def test_conn():
    hook = ClickHouseHook(clickhouse_conn_id="my_clickhouse_provider")
    result = hook.get_conn().execute("SELECT * FROM test_repl;")
    print(result)

with DAG(
    dag_id="test_clickhouse_dag",
    start_date=datetime(2024, 1, 1),
    schedule=None,
    catchup=False,
) as dag:
    PythonOperator(task_id="check_clickhouse", python_callable=test_conn)