I run a wrong query on https://play.dgraph.io/, then I can't connect to it

Users Dgraph
1

The query was like this:

{
    var(func: has(name)){
        a as count(uid)
    }
    me(func: uid(a), orderasc: initial_release_date){
    		name
    		val(a)
    }
}

I defined a value variable “a” on “count(uid)”, the uid of “a” was supposed to be “0xffffffffffffffff”，so applying a sort on it would be meaningless. I expected dgraph to report an error，but it seemed that dgraph got into unhealthy state. Is it a bug？

2

Try this query

{
    var(func: has(name@.)){
        a as uid
    }
    me(func: uid(a), orderasc: initial_release_date){
      name@.
      count(uid)
    }
}