From dc47e229d8738cc9c46d7edb685d60e61ff53255 Mon Sep 17 00:00:00 2001
From: dapan1121 <89396746@qq.com>
Date: Wed, 9 Jun 2021 16:00:37 +0800
Subject: [PATCH] add pointer protection

---
 src/util/src/ttokenizer.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/util/src/ttokenizer.c b/src/util/src/ttokenizer.c
index 3448e8e2ba..b02ba96f07 100644
--- a/src/util/src/ttokenizer.c
+++ b/src/util/src/ttokenizer.c
@@ -275,6 +275,10 @@ static int32_t tKeywordCode(const char* z, int n) {
     }
   }
 
+  if (keywordHashTable == NULL) {
+    return TK_ILLEGAL;
+  }
+  
   SKeyword** pKey = (SKeyword**)taosHashGet(keywordHashTable, key, n);
   return (pKey != NULL)? (*pKey)->type:TK_ID;
 }
-- 
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