Gets the latest row index, assuming the queue isn't empty
| 541 | |
| 542 | // Gets the latest row index, assuming the queue isn't empty |
| 543 | row_index_t GetLatestRow() const { return latest_ref_row_; } |
| 544 | |
| 545 | bool Empty() const { |
| 546 | // cannot be empty if ref row is >0 -- can avoid slow queue lock |