From 7429096cb67163f85273cd99492085c3de07c5fb Mon Sep 17 00:00:00 2001
From: 54liuyao <54liuyao>
Date: Tue, 12 Mar 2024 13:39:01 +0800
Subject: [PATCH] use non sort merge

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

diff --git a/source/libs/planner/src/planSpliter.c b/source/libs/planner/src/planSpliter.c
index 49bde5ae4c..34be489333 100644
--- a/source/libs/planner/src/planSpliter.c
+++ b/source/libs/planner/src/planSpliter.c
@@ -1321,7 +1321,7 @@ static int32_t stbSplSplitScanNodeWithPartTags(SSplitContext* pCxt, SStableSplit
   int32_t     code = stbSplGetSplitNodeForScan(pInfo, &pSplitNode);
   if (TSDB_CODE_SUCCESS == code) {
     bool needSort = true;
-    if (QUERY_NODE_LOGIC_PLAN_PROJECT == nodeType(pSplitNode)) {
+    if (QUERY_NODE_LOGIC_PLAN_PROJECT == nodeType(pSplitNode) && !pSplitNode->pLimit && !pSplitNode->pSlimit) {
       needSort = !((SProjectLogicNode*)pSplitNode)->ignoreGroupId;
     }
     code = stbSplCreateMergeNode(pCxt, pInfo->pSubplan, pSplitNode, NULL, pSplitNode, needSort, needSort);