From f9bc29d1490c5d95b805c3891b146407ee5907ed Mon Sep 17 00:00:00 2001
From: Xiaoyu Wang <xiaoyuwang@taosdata.com>
Date: Thu, 21 Jul 2022 10:19:48 +0800
Subject: [PATCH] fix: memory leak problems of parser and planner

---
 source/libs/parser/src/parUtil.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/source/libs/parser/src/parUtil.c b/source/libs/parser/src/parUtil.c
index 8eed02bbbe..f98b195039 100644
--- a/source/libs/parser/src/parUtil.c
+++ b/source/libs/parser/src/parUtil.c
@@ -865,12 +865,15 @@ STableCfg* tableCfgDup(STableCfg* pCfg) {
   STableCfg* pNew = taosMemoryMalloc(sizeof(*pNew));
 
   memcpy(pNew, pCfg, sizeof(*pNew));
-  if (pNew->pComment) {
+  if (NULL != pNew->pComment) {
     pNew->pComment = strdup(pNew->pComment);
   }
-  if (pNew->pFuncs) {
+  if (NULL != pNew->pFuncs) {
     pNew->pFuncs = taosArrayDup(pNew->pFuncs);
   }
+  if (NULL != pNew->pTags) {
+    pNew->pTags = strdup(pNew->pTags);
+  }
 
   int32_t schemaSize = (pCfg->numOfColumns + pCfg->numOfTags) * sizeof(SSchema);