Need Query Help

[MichelDiz]

Try this

{ 
   q(func: has(Foo.bars)) @filter(uid_in(Foo.bars, uid(A)) AND uid_in(Foo.bars, uid(B))) {
       Foo.id
  }
    A as var(func: eq(Bar.name, "Alice"))
    B as var(func: eq(Bar.name, "Bob"))
}