From fb6ab93f473c2f93362917107c0dc9c2939885cc Mon Sep 17 00:00:00 2001
From: zhouzb <zhouzb@emqx.io>
Date: Wed, 24 Nov 2021 18:21:08 +0800
Subject: [PATCH] fix(dialyzer): fix redundant cases

---
 apps/emqx_connector/src/emqx_connector_mongo.erl | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/apps/emqx_connector/src/emqx_connector_mongo.erl b/apps/emqx_connector/src/emqx_connector_mongo.erl
index 9e4a5163b..11eac9c91 100644
--- a/apps/emqx_connector/src/emqx_connector_mongo.erl
+++ b/apps/emqx_connector/src/emqx_connector_mongo.erl
@@ -170,9 +170,7 @@ health_check(PoolName) ->
             {ok, Conn} ->
                 %% we don't care if this returns something or not, we just to test the connection
                 try mongo_api:find_one(Conn, <<"foo">>, {}, #{}) of
-                    undefined -> true;
-                    Res when is_map(Res) -> true;
-                    _ -> false
+                    _ -> true
                 catch
                     _Class:_Error -> false
                 end;