GraphQL variables do not work when uid is nestee

[TheEnbyperor]

• What version of Dgraph are you using? Docker dgraph/dgraph:latest

• Have you tried reproducing the issue with latest release? Yes, ran docker pull to make sure it was up to date

• What is the hardware spec (RAM, OS)? Ubuntu Studio 17.10, 8GB RAM, Pentium dual core B960 @ 2.20GHz

• Steps to reproduce the issue (command/config used to run Dgraph). Docker compose from docks. This schema:

  booking.start: dateTime .
  booking.end: dateTime .
  booking.hotel: uid @reverse .
  booking.room: uid @reverse .
  booking.user: uid @reverse .

This query:

query q($userID: uid){
  bookings(func: has(booking)) @cascade {
    uid
    booking.start
    booking.end
    booking.hotel {
      uid
    }
    booking.room {
      uid
    }
    booking.user @filter(uid($userID)) {
      uid
    }
  }
}

• Expected behaviour and actual result. The userId filter should find the user with that id, but does not. It finds nothing. As a temporary workaround this works.

  query q($userID: uid){
  var (func: uid($userID)) {
  u as uid
  }
  bookings(func: has(booking)) @cascade {
  uid
  booking.start
  booking.end
  booking.hotel {
    uid
  }
  booking.room {
    uid
  }
  booking.user @filter(uid(u)) {
    uid
  }
  }
  }

[pawanrawal]

Try specifying the type as string and let us know if it still doesn't work.

query q($userID: string){
...

[TheEnbyperor]

Unfortunately that still doesn't work. I pasted in the wrong code there, that query errors. My problem is that nothing is returned.

[pawanrawal]

This is a duplicate of https://github.com/dgraph-io/dgraph/issues/2088. I am working on a fix now.

[pawanrawal]

This should be fixed with 4d6a6077343570518cbe247fa1fbf9320731b09b which would be part of the nightly release.

[TheEnbyperor]

Will try and report back.