From 6489482064d151b8b1dd8f9e286941a7f059b5ea Mon Sep 17 00:00:00 2001
From: lihui <huili@taosdata.com>
Date: Wed, 27 Nov 2019 19:19:45 +0800
Subject: [PATCH] [TBASE-898]

---
 src/system/detail/src/mgmtDnode.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/system/detail/src/mgmtDnode.c b/src/system/detail/src/mgmtDnode.c
index 7b0bc22daf..86550b46e7 100644
--- a/src/system/detail/src/mgmtDnode.c
+++ b/src/system/detail/src/mgmtDnode.c
@@ -476,6 +476,8 @@ int mgmtRetrieveVnodes(SShowObj *pShow, char *data, int rows, SConnObj *pConn) {
           continue;
         }
         
+        cols = 0;
+        
         pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
         *(uint32_t *)pWrite = pVnode->vnode;
         cols++;