From f54a4322c2f329c39e5c4727c900e71cf7383050 Mon Sep 17 00:00:00 2001
From: dapan1121 <wpan@taosdata.com>
Date: Tue, 12 Jul 2022 16:04:18 +0800
Subject: [PATCH] fix: fix load table info issue

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

diff --git a/source/client/src/clientImpl.c b/source/client/src/clientImpl.c
index 25ba63fd34..3605f49a5c 100644
--- a/source/client/src/clientImpl.c
+++ b/source/client/src/clientImpl.c
@@ -1905,6 +1905,10 @@ int32_t appendTbToReq(SArray* pList, int32_t pos1, int32_t len1, int32_t pos2, i
     tbLen = len1;
   }
 
+  if (dbLen <= 0 || tbLen <= 0) {
+    return -1;
+  }
+
   if (tNameSetDbName(&name, acctId, dbName, dbLen)) {
     return -1;
   }
-- 
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