| # 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. | |
| import os | |
| import datafusion | |
| from datafusion.object_store import AmazonS3 | |
| region = "us-east-1" | |
| bucket_name = "yellow-trips" | |
| s3 = AmazonS3( | |
| bucket_name=bucket_name, | |
| region=region, | |
| access_key_id=os.getenv("AWS_ACCESS_KEY_ID"), | |
| secret_access_key=os.getenv("AWS_SECRET_ACCESS_KEY"), | |
| ) | |
| ctx = datafusion.SessionContext() | |
| path = f"s3://{bucket_name}/" | |
| ctx.register_object_store("s3://", s3, None) | |
| ctx.register_parquet("trips", path) | |
| df = ctx.sql("select count(passenger_count) from trips") | |
| df.show() |