From c7c65bf4f540f0f481455ea7c0b1fe342e9c935f Mon Sep 17 00:00:00 2001
From: Henk van der Laan <opensource@henkvdlaan.com>
Date: Sat, 14 Apr 2018 10:22:59 +0200
Subject: [PATCH] Add more user friendly message to Connection#initialize

This adds the cause for the exception as a message to this exception,
making it more clear why this failed.
---
 src/mysql/connection.cr | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mysql/connection.cr b/src/mysql/connection.cr
index c48a345..32960cd 100644
--- a/src/mysql/connection.cr
+++ b/src/mysql/connection.cr
@@ -28,8 +28,8 @@ class MySql::Connection < DB::Connection
       read_ok_or_err do |packet, status|
         raise "packet #{status} not implemented"
       end
-    rescue Errno
-      raise DB::ConnectionRefused.new
+    rescue ex : Errno
+      raise DB::ConnectionRefused.new(ex.message)
     end
   end