1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb
index 35b9ed4746..204ebaa2e2 100755
--- a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb
@@ -511,6 +511,10 @@ module ActiveRecord
         keys.length == 1 ? [keys.first, nil] : nil
       end
 
+      def case_sensitive_equality_operator
+        "= BINARY"
+      end
+
       private
         def connect
           @connection.reconnect = true if @connection.respond_to?(:reconnect=)