From 8f1ed449890ca24fff6bb02eb5c6b316a141926f Mon Sep 17 00:00:00 2001
From: wangjiaming0909 <604227650@qq.com>
Date: Wed, 10 May 2023 10:46:08 +0800
Subject: [PATCH]  fix: connect error when login with
 information_schema/performance_schema

---
 source/dnode/mnode/impl/src/mndProfile.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/source/dnode/mnode/impl/src/mndProfile.c b/source/dnode/mnode/impl/src/mndProfile.c
index 50e502f4ab..ff6a2f460a 100644
--- a/source/dnode/mnode/impl/src/mndProfile.c
+++ b/source/dnode/mnode/impl/src/mndProfile.c
@@ -256,10 +256,13 @@ static int32_t mndProcessConnectReq(SRpcMsg *pReq) {
     snprintf(db, TSDB_DB_FNAME_LEN, "%d%s%s", pUser->acctId, TS_PATH_DELIMITER, connReq.db);
     pDb = mndAcquireDb(pMnode, db);
     if (pDb == NULL) {
-      terrno = TSDB_CODE_MND_INVALID_DB;
-      mGError("user:%s, failed to login from %s while use db:%s since %s", pReq->info.conn.user, ip, connReq.db,
-              terrstr());
-      goto _OVER;
+      if (0 != strcmp(connReq.db, TSDB_INFORMATION_SCHEMA_DB) &&
+          (0 != strcmp(connReq.db, TSDB_PERFORMANCE_SCHEMA_DB))) {
+        terrno = TSDB_CODE_MND_INVALID_DB;
+        mGError("user:%s, failed to login from %s while use db:%s since %s", pReq->info.conn.user, ip, connReq.db,
+                terrstr());
+        goto _OVER;
+      }
     }
 
     if (mndCheckDbPrivilege(pMnode, pReq->info.conn.user, MND_OPER_READ_OR_WRITE_DB, pDb) != 0) {