I don't think that's a Go question. Check the Mongo command docs: https://docs.mongodb.com/v3.2/reference/command/nav-crud/
Search for "Query and Write Operation Commands" on the page. I think you're using "set" instead of "uddate." -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.