SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function equals (children 1)
     ExpressionList (children 2)
      Function generateUUIDv4 (children 1)
       ExpressionList
      Function generateUUIDv4 (children 1)
       ExpressionList (children 1)
        Literal UInt64_1
