Method IsTimeOrKeyColumn

cpp/src/arrow/acero/asof_join_node.cc:537–540

  }

  bool IsTimeOrKeyColumn(col_index_t i) const {
    DCHECK_LT(i, schema_->num_fields());
    return (i == time_col_index_) || std_has(key_col_index_, i);
  }

  // Gets the latest row index,  assuming the queue isn't empty
  row_index_t GetLatestRow() const { return latest_ref_row_; }