From d93d3b4e63caabe5260b4ee5a9c0d322d0a5f28b Mon Sep 17 00:00:00 2001
From: Xiaoyu Wang <xiaoyuwang@taosdata.com>
Date: Wed, 26 Oct 2022 19:00:08 +0800
Subject: [PATCH] fix: push down limit

---
 source/libs/planner/src/planSpliter.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/source/libs/planner/src/planSpliter.c b/source/libs/planner/src/planSpliter.c
index 1bb0194435..8631662c94 100644
--- a/source/libs/planner/src/planSpliter.c
+++ b/source/libs/planner/src/planSpliter.c
@@ -1407,7 +1407,8 @@ typedef struct SQnodeSplitInfo {
 static bool qndSplFindSplitNode(SSplitContext* pCxt, SLogicSubplan* pSubplan, SLogicNode* pNode,
                                 SQnodeSplitInfo* pInfo) {
   if (QUERY_NODE_LOGIC_PLAN_SCAN == nodeType(pNode) && NULL != pNode->pParent &&
-      ((SScanLogicNode*)pNode)->scanSeq[0] <= 1 && ((SScanLogicNode*)pNode)->scanSeq[1] <= 1) {
+      QUERY_NODE_LOGIC_PLAN_INTERP_FUNC != nodeType(pNode->pParent) && ((SScanLogicNode*)pNode)->scanSeq[0] <= 1 &&
+      ((SScanLogicNode*)pNode)->scanSeq[1] <= 1) {
     pInfo->pSplitNode = pNode;
     pInfo->pSubplan = pSubplan;
     return true;