From aa601d3f8ee5848d4dde056dda3776a36f884815 Mon Sep 17 00:00:00 2001
From: Matt Broadstone <mbroadst@gmail.com>
Date: Wed, 10 Oct 2018 18:13:30 -0400
Subject: [PATCH] fix(uri-parser): persist default database when authSource
 present

---
 lib/uri_parser.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/uri_parser.js b/lib/uri_parser.js
index 47c16c5c9..507e40ebc 100644
--- a/lib/uri_parser.js
+++ b/lib/uri_parser.js
@@ -530,6 +530,10 @@ function parseConnectionString(uri, options, callback) {
     options: Object.keys(parsedOptions).length ? parsedOptions : null
   };
 
+  if (result.auth && result.auth.db) {
+    result.defaultDatabase = result.auth.db;
+  }
+
   try {
     applyAuthExpectations(result);
   } catch (authError) {