gistfile1.diff

diff --git a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb
index ba0051d..ef4b90f 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb
@@ -7,6 +7,8 @@ module ActiveRecord
   class Base
     # Establishes a connection to the database that's used by all Active Record objects.
     def self.mysql_connection(config) # :nodoc:
+      return ActiveRecord::Base.mysql2_connection(config) if defined? ::Mysql2
+
       config = config.symbolize_keys
       host     = config[:host]
       port     = config[:port]