make sort plan node format as external merge sort

cmu-db · Oct 21, 2024 · 96d4f4f · 96d4f4f
1 parent 3f258ad
commit 96d4f4f
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/execution/fmt_impl.cpp b/src/execution/fmt_impl.cpp
@@ -72,7 +72,9 @@ auto UpdatePlanNode::PlanNodeToString() const -> std::string {
 }
 
 auto SortPlanNode::PlanNodeToString() const -> std::string {
-  return fmt::format("Sort {{ order_bys={} }}", order_bys_);
+  // Note(f24): A sort plan node will be converted to an external merge sort executor in
+  // Fall 2024. So `ExternalMergeSort` is returned instead of `Sort`.
+  return fmt::format("ExternalMergeSort {{ order_bys={} }}", order_bys_);
 }
 
 auto LimitPlanNode::PlanNodeToString() const -> std::string { return fmt::format("Limit {{ limit={} }}", limit_); }