[Ietf-caldav] Question about time range filtering.

[Daniel Gomez Brito]

Hello, 

I have some doubts about the expected behaviour of calendar-query report
with a time range filter when dealing with overridden instances of a
recurrent event.

 

According to the RFC (http://tools.ietf.org/html/rfc4791#section-7.6
<http://tools.ietf.org/html/rfc4791#section-7.6> ):

{{{

   A CalDAV client that is only interested in the recurrence instances

   that overlap a specified time range can request to receive only the

   "master component", along with the "overridden components" that

   impact the specified time range, and thus, limit the data returned by

   the server (see CALDAV:limit-recurrence-set in Section 9.6.6).  An

   overridden component impacts a time range if its current start and

   end times overlap the time range, or if the original start and end

   times -- the ones that would have been used if the instance were not

   overridden -- overlap the time range, or if it affects other

   instances that overlap the time range.

}}}

 

If I have not misunderstood the above paragraph, it means that if the
time interval overlaps the original start and end times of an overridden
instance, that instance should be returned in the response. Am I right?
If so, what's the rationale behind this? If that instance has been
rescheduled, its old time slot should be now empty and therefore I
should receive an empty response. Why not?

 

Can anybody shed some light on this?

 

Thanks in advance.

 


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