SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function arrayRotateRight (children 1)
     ExpressionList (children 2)
      Literal Array_[\'H\', \'e\', \'l\', \'l\', \'o\']
      Literal UInt64_2