SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function in (children 1)
     ExpressionList (children 2)
      Literal Tuple_(NULL, NULL)
      Literal Tuple_(Tuple_(NULL, UInt64_0), Tuple_(UInt64_3, UInt64_1), Tuple_(UInt64_3, UInt64_2), Tuple_(UInt64_8, UInt64_0), Tuple_(NULL, NULL))