Method ResetColumnReader

cpp/src/parquet/column_reader_benchmark.cc:62–67

  }

  Int32Reader* ResetColumnReader() {
    std::unique_ptr<PageReader> pager;
    pager.reset(new test::MockPageReader(pages_));
    column_reader_ = ColumnReader::Make(descr_.get(), std::move(pager));
    return static_cast<Int32Reader*>(column_reader_.get());
  }

  RecordReader* ResetRecordReader(bool read_dense_for_nullable) {
    std::unique_ptr<PageReader> pager;