Source code for tests.system.providers.apache.drill.example_drill_dag

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"""
Example Airflow DAG to execute SQL in an Apache Drill environment using the `DrillOperator`.
"""
from __future__ import annotations

import os
from datetime import datetime

from airflow.models import DAG
from airflow.providers.apache.drill.operators.drill import DrillOperator

[docs]ENV_ID = os.environ.get("SYSTEM_TESTS_ENV_ID")
[docs]DAG_ID = "example_drill_dag"

with DAG(
    dag_id=DAG_ID,
    schedule=None,
    start_date=datetime(2021, 1, 1),
    catchup=False,
    tags=["example"],
) as dag:
    # [START howto_operator_drill]
[docs]    sql_task = DrillOperator(
        task_id="json_to_parquet_table",
        sql="""
        drop table if exists dfs.tmp.employee;
        create table dfs.tmp.employee as select * from cp.`employee.json`;
        """,
    )
    # [END howto_operator_drill]

from tests.system.utils import get_test_run  # noqa: E402

# Needed to run the example DAG with pytest (see: tests/system/README.md#run_via_pytest)
[docs]test_run = get_test_run(dag)