Implementation of %XML.Adaptor methods.
This class is used internally by Caché. You should not make direct use of it within your applications. There is no guarantee made about either the behavior or future operation of this class.
Add duration to a date/time. The format of the date/time argument is as for $SYSTEM.SQL.DATEADD The return value is always of type %TimeStamp.
Check duration for validity and convert to months and seconds Format of duration is