AlterQuery  rmt (children 2)
 ExpressionList (children 1)
  AlterCommand UPDATE (children 2)
   Literal UInt64_1
   ExpressionList (children 1)
    Assignment s (children 1)
     Function concat (children 1)
      ExpressionList (children 2)
       Literal \'s\'
       Function toString (children 1)
        ExpressionList (children 1)
         Identifier n
 Identifier rmt
