From 5bdd836cd0c5196722689f8f7cc8cf8c687b69dc Mon Sep 17 00:00:00 2001
From: Valeri Karpov <val@karpov.io>
Date: Sat, 12 Mar 2022 12:18:45 -0500
Subject: [PATCH] fix(connection): avoid setting MongoClient on useDb()
 connections until after setting on base connection

Fix #11445
---
 lib/connection.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/connection.js b/lib/connection.js
index e643e1df4e1..a73be3270a6 100644
--- a/lib/connection.js
+++ b/lib/connection.js
@@ -788,10 +788,6 @@ Connection.prototype.openUri = function(uri, options, callback) {
     }
     _this.client = client;
 
-    for (const db of this.otherDbs) {
-      _setClient(db, client, {}, db.name);
-    }
-
     client.setMaxListeners(0);
     client.connect((error) => {
       if (error) {
@@ -800,6 +796,10 @@ Connection.prototype.openUri = function(uri, options, callback) {
 
       _setClient(_this, client, options, dbName);
 
+      for (const db of this.otherDbs) {
+        _setClient(db, client, {}, db.name);
+      }
+
       resolve(_this);
     });
   });