SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function cityHash64 (alias uuid) (children 1)
     ExpressionList (children 1)
      Function toUUID (children 1)
       ExpressionList (children 1)
        Literal \'61f0c404-5cb3-11e7-907b-a6006ad3dba0\'