From 5994bed21b94a876b3cbfb15334f2e3a1e83a52f Mon Sep 17 00:00:00 2001
From: Bomin Zhang <bmzhang@taosdata.com>
Date: Mon, 17 Aug 2020 11:18:48 +0800
Subject: [PATCH] fix td-851

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

diff --git a/src/client/src/tscParseInsert.c b/src/client/src/tscParseInsert.c
index e97d6c32e0..cb49bd80b7 100644
--- a/src/client/src/tscParseInsert.c
+++ b/src/client/src/tscParseInsert.c
@@ -904,6 +904,11 @@ static int32_t tscCheckIfCreateTable(char **sqlstr, SSqlObj *pSql) {
       sToken = tStrGetToken(sql, &index, true, numOfIgnoreToken, &ignoreTokenTypes);
       sql += index;
 
+      if (TK_ILLEGAL == sToken.type) {
+        tdDestroyKVRowBuilder(&kvRowBuilder);
+        return TSDB_CODE_TSC_INVALID_SQL;
+      }
+
       if (sToken.n == 0 || sToken.type == TK_RP) {
         break;
       }
-- 
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