Function read_file

arrow-json/src/reader/mod.rs:1885–1895

(path: &str, schema: Option<Schema>)

    }

    fn read_file(path: &str, schema: Option<Schema>) -> Reader<BufReader<File>> {
        let file = File::open(path).unwrap();
        let mut reader = BufReader::new(file);
        let schema = schema.unwrap_or_else(|| {
            let (schema, _) = infer_json_schema(&mut reader, None).unwrap();
            reader.rewind().unwrap();
            schema
        });
        let builder = ReaderBuilder::new(Arc::new(schema)).with_batch_size(64);
        builder.build(reader).unwrap()
    }

    #[test]
    fn test_json_basic() {