| // 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. |
| |
| use std::sync::Arc; |
| |
| use arrow::datatypes::{DataType, Field, Schema, TimeUnit}; |
| |
| /// Schema for the `data/csv/cars.csv` example dataset. |
| pub fn schema() -> Arc<Schema> { |
| Arc::new(Schema::new(vec![ |
| Field::new("car", DataType::Utf8, false), |
| Field::new("speed", DataType::Float64, false), |
| Field::new( |
| "time", |
| DataType::Timestamp(TimeUnit::Nanosecond, None), |
| false, |
| ), |
| ])) |
| } |
