potiuk commented on code in PR #24379: URL: https://github.com/apache/airflow/pull/24379#discussion_r895145823
########## airflow/providers/google/cloud/example_dags/example_bigquery_to_gcs.py: ########## @@ -1,68 +0,0 @@ -# -# 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. - -""" -Example Airflow DAG for Google BigQuery service. -""" -import os -from datetime import datetime - -from airflow import models -from airflow.providers.google.cloud.operators.bigquery import ( - BigQueryCreateEmptyDatasetOperator, - BigQueryCreateEmptyTableOperator, - BigQueryDeleteDatasetOperator, -) -from airflow.providers.google.cloud.transfers.bigquery_to_gcs import BigQueryToGCSOperator - -PROJECT_ID = os.environ.get("GCP_PROJECT_ID", "example-project") -DATASET_NAME = os.environ.get("GCP_BIGQUERY_DATASET_NAME", "test_dataset_transfer") -DATA_EXPORT_BUCKET_NAME = os.environ.get("GCP_BIGQUERY_EXPORT_BUCKET_NAME", "INVALID BUCKET NAME") -TABLE = "table_42" - -with models.DAG( - "example_bigquery_to_gcs", - schedule_interval=None, # Override to match your needs - start_date=datetime(2021, 1, 1), - catchup=False, - tags=["example"], -) as dag: - bigquery_to_gcs = BigQueryToGCSOperator( - task_id="bigquery_to_gcs", - source_project_dataset_table=f"{DATASET_NAME}.{TABLE}", - destination_cloud_storage_uris=[f"gs://{DATA_EXPORT_BUCKET_NAME}/export-bigquery.csv"], - ) - - create_dataset = BigQueryCreateEmptyDatasetOperator(task_id="create_dataset", dataset_id=DATASET_NAME) - - create_table = BigQueryCreateEmptyTableOperator( - task_id="create_table", - dataset_id=DATASET_NAME, - table_id=TABLE, - schema_fields=[ - {"name": "emp_name", "type": "STRING", "mode": "REQUIRED"}, - {"name": "salary", "type": "INTEGER", "mode": "NULLABLE"}, - ], - ) - create_dataset >> create_table >> bigquery_to_gcs - - delete_dataset = BigQueryDeleteDatasetOperator( - task_id="delete_dataset", dataset_id=DATASET_NAME, delete_contents=True - ) - - bigquery_to_gcs >> delete_dataset Review Comment: We are generally doing the AIP-47 migration overall so I think we do not need to have individual explanation :). Also we make sure that the docs links are pointing to the right examples. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
