From 21274ff79d0f36db00a38b86f9b1a8b80b68c8eb Mon Sep 17 00:00:00 2001
From: Ping Xiao <pxiao@taosdata.com>
Date: Sat, 20 Feb 2021 14:46:16 +0800
Subject: [PATCH] fix bug

---
 src/client/src/tscSQLParser.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index 73fb6fb64c..8c72eefc15 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -6404,10 +6404,12 @@ int32_t doCheckForCreateFromStable(SSqlObj* pSql, SSqlInfo* pInfo) {
       nameSize = taosArrayGetSize(pNameList);
 
       if (valSize != nameSize) {
+        tdDestroyKVRowBuilder(&kvRowBuilder);
         return invalidSqlErrMsg(tscGetErrorMsgPayload(pCmd), msg5);
       }
 
       if (schemaSize < valSize) {
+        tdDestroyKVRowBuilder(&kvRowBuilder);
         return invalidSqlErrMsg(tscGetErrorMsgPayload(pCmd), msg5);
       }
 
@@ -6460,11 +6462,13 @@ int32_t doCheckForCreateFromStable(SSqlObj* pSql, SSqlInfo* pInfo) {
         }
 
         if (!findColumnIndex) {
+          tdDestroyKVRowBuilder(&kvRowBuilder);
           return tscInvalidSQLErrMsg(pCmd->payload, "invalid tag name", sToken->z);
         }   
       }
     } else {
       if (schemaSize != valSize) {
+        tdDestroyKVRowBuilder(&kvRowBuilder);
         return invalidSqlErrMsg(tscGetErrorMsgPayload(pCmd), msg5);
       }
 
-- 
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