From 8460171cb6e11310a2793d745c08e3348f1e1e4f Mon Sep 17 00:00:00 2001
From: Ganlin Zhao <ganlinzhao@hotmail.com>
Date: Wed, 28 Dec 2022 17:27:23 +0800
Subject: [PATCH] fix(query): fix count/hyperloglog return additional row in
 group by when queryPolicy is set to 3.

---
 source/libs/planner/src/planOptimizer.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/source/libs/planner/src/planOptimizer.c b/source/libs/planner/src/planOptimizer.c
index b6f70b5f82..4c0d90846f 100644
--- a/source/libs/planner/src/planOptimizer.c
+++ b/source/libs/planner/src/planOptimizer.c
@@ -1546,6 +1546,10 @@ static int32_t partTagsOptimize(SOptimizeContext* pCxt, SLogicSubplan* pLogicSub
     if (TSDB_CODE_SUCCESS == code) {
       NODES_CLEAR_LIST(pNode->pChildren);
       nodesDestroyNode((SNode*)pNode);
+      if (QUERY_NODE_LOGIC_PLAN_AGG == pNode->pParent->type) {
+        SAggLogicNode* pParent = (SAggLogicNode*)(pNode->pParent);
+        pParent->hasGroupKeyOptimized = true;
+      }
     }
   } else {
     SAggLogicNode* pAgg = (SAggLogicNode*)pNode;
@@ -1578,6 +1582,7 @@ static int32_t partTagsOptimize(SOptimizeContext* pCxt, SLogicSubplan* pLogicSub
   if (TSDB_CODE_SUCCESS == code) {
     code = partTagsOptRebuildTbanme(pScan->pGroupTags);
   }
+
   pCxt->optimized = true;
   return code;
 }
-- 
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