From df70a6ef575a440568ec7b7e7681637250381bef Mon Sep 17 00:00:00 2001
From: wangmm0220 <wangmm0220@gmail.com>
Date: Wed, 3 Jan 2024 21:11:26 +0800
Subject: [PATCH] fix:[TD-28032]concat subtable and hash val as new subtable
 name to avoid data from multi time line write to one time line

---
 source/common/src/tdatablock.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/source/common/src/tdatablock.c b/source/common/src/tdatablock.c
index 31f7bce0ea..ad69a3ad63 100644
--- a/source/common/src/tdatablock.c
+++ b/source/common/src/tdatablock.c
@@ -2132,10 +2132,11 @@ bool  isAutoTableName(char* ctbName){
 bool  alreadyAddGroupId(char* ctbName){
   size_t len = strlen(ctbName);
   size_t _location = len - 1;
-  for(; _location >= 0; _location--){
-    if(ctbName[_location] < '0' && ctbName[_location] > '9'){
+  while(_location > 0){
+    if(ctbName[_location] < '0' || ctbName[_location] > '9'){
       break;
     }
+    _location--;
   }
 
   return ctbName[_location] == '_' && _location < len -1;