Method Next

be/src/exec/row-batch-list.h:64–72

Moves the iterator to the next row. If the current row is the last row in the batch, advances to either the next non-empty batch or the end. No-op if the iterator is already at the end.

    /// batch, advances to either the next non-empty batch or the end. No-op if the
    /// iterator is already at the end.
    void Next() {
      if (AtEnd()) return;
      DCHECK_GE((*batch_it_)->num_rows(), 0);
      if (++row_idx_ == (*batch_it_)->num_rows()) {
        ++batch_it_;
        SkipEmptyBatches();
        row_idx_ = 0;
      }
    }

   private:
    friend class RowBatchList;