################
# Schema

<name>: string @index(exact, term) @upsert .
<rated>: [uid] @reverse .

type Person {
  name
  rated
}

type Movie {
  name
}

#################
# Data

{
  set {
  
    #Movies
    _:t <dgraph.type> "Movie" .
    _:t <name> "Movie 1" .
    
    #People
    _:a <dgraph.type> "Person" .
    _:a <name> "Me" .
    _:a <rated> _:t (rating = 5) .
    
    _:b <dgraph.type> "Person" .
    _:b <name> "P1" .
    _:b <rated> _:t (rating = 3) .
    
    _:c <dgraph.type> "Person" .
    _:c <name> "P2" .
    _:c <rated> _:t (rating = 5) .

  }
}


#################
# Load scenario

{
  scenario(func: type("Person")) @filter(eq(name,"Me")) @ignorereflex {
    name
    rated @facets {
      name
      ~rated @facets {
        name
      }
    }
  }
}

#################
# The query i need 
# (Throws error: "variables are not allowed in facets filter.")

{
  scenario(func: type("Person")) @filter(eq(name,"Me")) @ignorereflex {
    name
    rated @facets(r as rate) {
      name
      ~rated @facets(eq(rate, val(r))) {
        name
      }
    }
  }
}

##
# Hardcoded version which is working
# I hardcoded the matching vote "5" in the eq facet filter
{
  scenario(func: type("Person")) @filter(eq(name,"Me")) @ignorereflex {
    name
    rated @facets(rate) {
      name
      ~rated @facets(eq(rate, 5)) {
        name
      }
    }
  }
}