From edfb1859a1a98d134efae9db04829b017730a3d9 Mon Sep 17 00:00:00 2001
From: Shengliang Guan <slguan@taosdata.com>
Date: Tue, 16 Jun 2020 01:48:42 +0000
Subject: [PATCH] [TD-570] lost while create vgroup

---
 src/mnode/src/mnodeTable.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/mnode/src/mnodeTable.c b/src/mnode/src/mnodeTable.c
index 9c9efebc32..bffb002cbd 100644
--- a/src/mnode/src/mnodeTable.c
+++ b/src/mnode/src/mnodeTable.c
@@ -1581,8 +1581,11 @@ static int32_t mnodeProcessCreateChildTableMsg(SMnodeMsg *pMsg) {
         return mnodeCreateVgroup(pMsg, pMsg->pDb);
       }
 
-      pMsg->pVgroup = pVgroup;
-      mnodeIncVgroupRef(pVgroup);
+      if (pMsg->pVgroup == NULL) {
+        pMsg->pVgroup = pVgroup;
+        mnodeIncVgroupRef(pVgroup);
+      }
+      
       pMsg->pTable = (STableObj *)mnodeDoCreateChildTable(pMsg, sid);
       if (pMsg->pTable == NULL) {
         return terrno;