update

vesoft-inc · Nov 23, 2022 · 3be9ca3 · 3be9ca3
1 parent 167dcd6
commit 3be9ca3
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/graph/planner/plan/PlanNode.cpp b/src/graph/planner/plan/PlanNode.cpp
@@ -339,7 +339,11 @@ void PlanNode::setOutputVar(const std::string& var, const std::vector<std::strin
   DCHECK(outputVarPtr != nullptr);
   auto oldVar = outputVar_->name;
   outputVar_ = outputVarPtr;
-  setColNames(colNames);
+  if (colNames.empty() && !outputVar_->colNames.empty()) {
+    setColNames(outputVar_->colNames);
+  } else {
+    setColNames(colNames);
+  }
   qctx_->symTable()->updateWrittenBy(oldVar, var, this);
 }