Method DebugString

be/src/exec/topn-node.cc:732–745

}

void TopNNode::DebugString(int indentation_level, stringstream* out) const {
  *out << string(indentation_level * 2, ' ');
  const TopNPlanNode& pnode = static_cast<const TopNPlanNode&>(plan_node_);
  const TSortInfo& tsort_info = pnode.tnode_->sort_node.sort_info;

  *out << "TopNNode(" << ScalarExpr::DebugString(pnode.ordering_exprs_);
  for (int i = 0; i < tsort_info.is_asc_order.size(); ++i) {
    *out << (i > 0 ? " " : "") << (tsort_info.is_asc_order[i] ? "asc" : "desc")
         << " nulls " << (tsort_info.nulls_first[i] ? "first" : "last");
  }

  ExecNode::DebugString(indentation_level, out);
  *out << ")";
}

TopNNode::Heap::Heap(const TupleRowComparator& c, int64_t capacity, bool include_ties) :
    capacity_(capacity), include_ties_(include_ties), priority_queue_(c) {}