From cf3b1b12fd6a39e5ea567264af62c84c9fd51a86 Mon Sep 17 00:00:00 2001
From: yihaoDeng <yhdeng@taosdata.com>
Date: Thu, 6 May 2021 21:03:54 +0800
Subject: [PATCH] reset code

---
 src/client/src/tscParseInsert.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/client/src/tscParseInsert.c b/src/client/src/tscParseInsert.c
index 17f9f27abc..f17afa0f78 100644
--- a/src/client/src/tscParseInsert.c
+++ b/src/client/src/tscParseInsert.c
@@ -1345,12 +1345,15 @@ int tsParseSql(SSqlObj *pSql, bool initial) {
     }
 
     // make a backup as tsParseInsertSql may modify the string
-//    char* sqlstr = strdup(pSql->sqlstr);
+    char* sqlstr = strdup(pSql->sqlstr);
     ret = tsParseInsertSql(pSql);
-    if (/*(sqlstr == NULL) || */(pSql->parseRetry >= 1) ||
+    if ((sqlstr == NULL) || (pSql->parseRetry >= 1) ||
         (ret != TSDB_CODE_TSC_SQL_SYNTAX_ERROR && ret != TSDB_CODE_TSC_INVALID_SQL)) {
+      free(sqlstr);
     } else {
       tscResetSqlCmd(pCmd, true);
+      free(pSql->sqlstr);
+      pSql->sqlstr = sqlstr;
       pSql->parseRetry++;
       if ((ret = tsInsertInitialCheck(pSql)) == TSDB_CODE_SUCCESS) {
         ret = tsParseInsertSql(pSql);
-- 
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