1 files changed, 3 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
index 52b0b3fe79..25860d5fae 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -750,6 +750,9 @@ module ActiveRecord
         execute("SET #{encoding} #{variable_assignments}", :skip_logging)
       end
 
+      def valid_type?(type)
+        !native_database_types[type].nil?
+      end  
     end
   end
 end