| # 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 sys |
| |
| from datafusion import SessionContext, Worker, WorkerQueryContext |
| |
| |
| def build_worker_session(context: WorkerQueryContext) -> SessionContext: |
| return context.session_context() |
| |
| |
| def main() -> None: |
| port = int(sys.argv[1]) if len(sys.argv) > 1 else 50051 |
| worker = Worker.from_session_builder(build_worker_session).with_version( |
| "python-example" |
| ) |
| print(f"Starting datafusion-distributed worker on http://127.0.0.1:{port}") |
| worker.serve("127.0.0.1", port) |
| |
| |
| if __name__ == "__main__": |
| main() |