SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function less (children 1)
     ExpressionList (children 2)
      Function modulo (children 1)
       ExpressionList (children 2)
        Function randConstant (children 1)
         ExpressionList
        Literal UInt64_10
      Literal UInt64_10