From 463d7d16c07b82d109dd2d249152776a425e09ca Mon Sep 17 00:00:00 2001
From: Xiaoyu Wang <xiaoyuwang@taosdata.com>
Date: Tue, 17 May 2022 19:19:43 +0800
Subject: [PATCH] fix: some problems of parser for stmt mode

---
 source/libs/nodes/src/nodesCloneFuncs.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/source/libs/nodes/src/nodesCloneFuncs.c b/source/libs/nodes/src/nodesCloneFuncs.c
index f9ad164e34..8019200e76 100644
--- a/source/libs/nodes/src/nodesCloneFuncs.c
+++ b/source/libs/nodes/src/nodesCloneFuncs.c
@@ -74,11 +74,13 @@ static void dataTypeCopy(const SDataType* pSrc, SDataType* pDst) {}
 
 static SNode* exprNodeCopy(const SExprNode* pSrc, SExprNode* pDst) {
   dataTypeCopy(&pSrc->resType, &pDst->resType);
+  pDst->pAssociation = NULL;
   return (SNode*)pDst;
 }
 
 static SNode* columnNodeCopy(const SColumnNode* pSrc, SColumnNode* pDst) {
   COPY_BASE_OBJECT_FIELD(node, exprNodeCopy);
+  pDst->pProjectRef = NULL;
   return (SNode*)pDst;
 }
 
@@ -227,6 +229,7 @@ static SNode* logicNodeCopy(const SLogicNode* pSrc, SLogicNode* pDst) {
   CLONE_NODE_LIST_FIELD(pTargets);
   CLONE_NODE_FIELD(pConditions);
   CLONE_NODE_LIST_FIELD(pChildren);
+  pDst->pParent = NULL;
   return (SNode*)pDst;
 }
 
@@ -261,6 +264,8 @@ static SNode* logicProjectCopy(const SProjectLogicNode* pSrc, SProjectLogicNode*
 
 static SNode* logicVnodeModifCopy(const SVnodeModifLogicNode* pSrc, SVnodeModifLogicNode* pDst) {
   COPY_BASE_OBJECT_FIELD(node, logicNodeCopy);
+  pDst->pDataBlocks = NULL;
+  pDst->pVgDataBlocks = NULL;
   return (SNode*)pDst;
 }
 
@@ -297,6 +302,9 @@ static SNode* logicPartitionCopy(const SPartitionLogicNode* pSrc, SPartitionLogi
 
 static SNode* logicSubplanCopy(const SLogicSubplan* pSrc, SLogicSubplan* pDst) {
   CLONE_NODE_FIELD(pNode);
+  pDst->pChildren = NULL;
+  pDst->pParents = NULL;
+  pDst->pVgroupList = NULL;
   return (SNode*)pDst;
 }