mik-laj commented on a change in pull request #8553: URL: https://github.com/apache/airflow/pull/8553#discussion_r416140501
########## File path: airflow/providers/google/cloud/example_dags/example_dataflow_sql.py ########## @@ -0,0 +1,60 @@ +# +# 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 Cloud Dataflow service +""" +import os + +from airflow import models +from airflow.providers.google.cloud.operators.dataflow import DataflowStartSqlJobOperator +from airflow.utils.dates import days_ago + +GCP_PROJECT_ID = os.environ.get("GCP_PROJECT_ID", "example-project") + +BQ_SQL_DATASET = os.environ.get('DATAFLOW_BQ_SQL_DATASET', 'airflow_dataflow_samples') +DATAFLOW_SQL_JOB_NAME = os.environ.get('DATAFLOW_SQL_JOB_NAME', "dataflow-sql") +DATAFLOW_SQL_LOCATION = os.environ.get('DATAFLOW_SQL_LOCATION', 'us-west1') + +with models.DAG( + dag_id="example_gcp_dataflow_sql", + default_args={ + "start_date": days_ago(1), + }, + schedule_interval=None, # Override to match your needs +) as dag_sql: + start_sql = DataflowStartSqlJobOperator( + task_id="start_sql_query", + job_name=DATAFLOW_SQL_JOB_NAME, + query=f""" + SELECT + sales_region as sales_region, + count(state_id) as count_state + FROM + bigquery.table.`{GCP_PROJECT_ID}`.beam_samples.beam_table Review comment: This bucket is created in system tests. https://github.com/apache/airflow/pull/8553/files# Unfortunately, Dataflow SQL is not compatible with the public datasets I know. I got the following error when I referred to the public dataset. > Caused by: java.lang.UnsupportedOperationException: Field type 'NUMERIC' is not supported (field 'value') Its error message from BigQuery console  ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: [email protected]
