From 27dab670f4790ef84e7ae79aa6ab63550efa8634 Mon Sep 17 00:00:00 2001
From: wpan <wpan@taosdata.com>
Date: Thu, 19 Aug 2021 09:36:09 +0800
Subject: [PATCH] fix illegal sql issue

---
 src/client/src/tscPrepare.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/client/src/tscPrepare.c b/src/client/src/tscPrepare.c
index 06a9505086..2418e7dbdb 100644
--- a/src/client/src/tscPrepare.c
+++ b/src/client/src/tscPrepare.c
@@ -206,6 +206,8 @@ static int normalStmtPrepare(STscStmt* stmt) {
         return code;
       }
       start = i + token.n;
+    } else if (token.type == TK_ILLEGAL) {
+      return invalidOperationMsg(tscGetErrorMsgPayload(&stmt->pSql->cmd), "invalid sql");
     }
 
     i += token.n;