From db65b890c8b4a2baf44973b2b54a66b374e6a570 Mon Sep 17 00:00:00 2001
From: Xiaoyu Wang <xiaoyuwang@taosdata.com>
Date: Wed, 13 Jul 2022 15:14:13 +0800
Subject: [PATCH] feat: support pseudo columns such as _qstart, _qend and
 _qduration

---
 source/libs/planner/src/planOptimizer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/libs/planner/src/planOptimizer.c b/source/libs/planner/src/planOptimizer.c
index ea1b3d3f81..7732669f84 100644
--- a/source/libs/planner/src/planOptimizer.c
+++ b/source/libs/planner/src/planOptimizer.c
@@ -2054,11 +2054,11 @@ static EDealRes mergeProjectionsExpr(SNode** pNode, void* pContext) {
                      ((SExprNode*)*pNode)->aliasName);
             nodesDestroyNode(*pNode);
             *pNode = pExpr;
+            return DEAL_RES_IGNORE_CHILD;
           }
         }
       }
     }
-    return DEAL_RES_IGNORE_CHILD;
   }
   return DEAL_RES_CONTINUE;
 }