SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 4)
    Function toTypeName (alias bool_true_type) (children 1)
     ExpressionList (children 1)
      Literal Bool_1
    Function toTypeName (alias bool_false_type) (children 1)
     ExpressionList (children 1)
      Literal Bool_0
    Function toTypeName (alias int_zero_type) (children 1)
     ExpressionList (children 1)
      Literal UInt64_0
    Function toTypeName (alias int_one_type) (children 1)
     ExpressionList (children 1)
      Literal UInt64_1
