From f2f7ede96818250bdce0c95eda931a723a090136 Mon Sep 17 00:00:00 2001
From: lihui <huili@taosdata.com>
Date: Fri, 3 Apr 2020 15:46:22 +0800
Subject: [PATCH] [TD-59]

---
 src/system/detail/src/mgmtVgroup.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/system/detail/src/mgmtVgroup.c b/src/system/detail/src/mgmtVgroup.c
index 15a5fe808b..88765bbebd 100644
--- a/src/system/detail/src/mgmtVgroup.c
+++ b/src/system/detail/src/mgmtVgroup.c
@@ -405,6 +405,12 @@ void *mgmtVgroupActionDelete(void *row, char *str, int size, int *ssize) {
 void *mgmtVgroupActionUpdate(void *row, char *str, int size, int *ssize) {
   mgmtVgroupActionReset(row, str, size, ssize);
   SVgObj *pVgroup = (SVgObj *)row;
+
+  if (pVgroup->idPool == NULL) {
+    mgmtVgroupActionInsert(row, str, size, ssize);
+    return NULL;
+  }
+
   int oldTables = taosIdPoolMaxSize(pVgroup->idPool);
 
   SDbObj *pDb = mgmtGetDb(pVgroup->dbName);
-- 
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