lib/mongo/operation/create/op_msg.rb in mongo-2.15.1 vs lib/mongo/operation/create/op_msg.rb in mongo-2.16.0.alpha1

@@ -24,9 +24,16 @@
       # @api private
       #
       # @since 2.5.2
       class OpMsg < OpMsgBase
         include ExecutableTransactionLabel
+
+        private
+
+        def selector(connection)
+          # Collation is always supported on 3.6+ servers that would use OP_MSG.
+          spec[:selector].merge(collation: spec[:collation]).compact
+        end
       end
     end
   end
 end