From 23848d45b03f880b16564f2be420fd87c9355f9d Mon Sep 17 00:00:00 2001
From: wpan <wpan@taosdata.com>
Date: Mon, 2 Aug 2021 10:34:20 +0800
Subject: [PATCH] add connection info to cache when taosd reboot while taos
 remains open

---
 src/mnode/src/mnodeShow.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/mnode/src/mnodeShow.c b/src/mnode/src/mnodeShow.c
index 5fe22826b7..570f5c344b 100644
--- a/src/mnode/src/mnodeShow.c
+++ b/src/mnode/src/mnodeShow.c
@@ -253,11 +253,15 @@ static int32_t mnodeProcessHeartBeatMsg(SMnodeMsg *pMsg) {
     
   int32_t connId = htonl(pHBMsg->connId);
   SConnObj *pConn = mnodeAccquireConn(connId, connInfo.user, connInfo.clientIp, connInfo.clientPort);
+  if (pConn == NULL) {
+    pHBMsg->pid = htonl(pHBMsg->pid);
+    pConn = mnodeCreateConn(connInfo.user, connInfo.clientIp, connInfo.clientPort, pHBMsg->pid, pHBMsg->appName);
+  }
 
   if (pConn == NULL) {
     // do not close existing links, otherwise
     // mError("failed to create connId, close connect");
-    // pRsp->killConnection = 1;
+    // pRsp->killConnection = 1;    
   } else {
     pRsp->connId = htonl(pConn->connId);
     mnodeSaveQueryStreamList(pConn, pHBMsg);
-- 
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