SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function greater (alias r) (children 1)
     ExpressionList (children 2)
      Function materialize (children 1)
       ExpressionList (children 1)
        Function toFixedString (children 1)
         ExpressionList (children 2)
          Function unhex (children 1)
           ExpressionList (children 1)
            Literal \'202005295555\'
          Literal UInt64_15
      Function unhex (children 1)
       ExpressionList (children 1)
        Literal \'20200529\'
