Source code for tests.system.common.sql.example_generic_transfer

#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
from __future__ import annotations

from airflow import DAG
from airflow.providers.common.sql.operators.generic_transfer import GenericTransfer
from airflow.utils import timezone


[docs]
connection_args = {
    "conn_id": "airflow_db",
    "conn_type": "Postgres",
    "host": "postgres",
    "schema": "postgres",
    "login": "postgres",
    "password": "postgres",
    "port": 5432,
}


with DAG(
    "example_generic_transfer",
    description="Example DAG for GenericTransfer.",
    default_args=connection_args,
    start_date=timezone.datetime(2021, 1, 1),
    schedule=None,
    catchup=False,
) as dag:
    # [START howto_operator_generic_transfer]

[docs]
    sql = "SELECT * FROM connection LIMIT 10;"


    generic_transfer = GenericTransfer(
        task_id="generic_transfer",
        preoperator=[
            "DROP TABLE IF EXISTS test_mysql_to_mysql",
            "CREATE TABLE IF NOT EXISTS test_mysql_to_mysql LIKE connection",
        ],
        source_conn_id="airflow_db",
        destination_conn_id="airflow_db",
        destination_table="test_mysql_to_mysql",
        sql=sql,
    )
    # [END howto_operator_generic_transfer]


from tests_common.test_utils.system_tests 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)