Function bench_array_reader

parquet/benches/arrow_reader.rs:825–837

(mut array_reader: Box<dyn ArrayReader>)

}

fn bench_array_reader(mut array_reader: Box<dyn ArrayReader>) -> usize {
    // test procedure: read data in batches of 8192 until no more data
    let mut total_count = 0;
    loop {
        let array = array_reader.next_batch(BATCH_SIZE);
        let array_len = array.unwrap().len();
        total_count += array_len;
        if array_len < BATCH_SIZE {
            break;
        }
    }
    total_count
}

fn bench_array_reader_skip(mut array_reader: Box<dyn ArrayReader>) -> usize {
    // test procedure: read data in batches of 8192 until no more data