06.04.2015 11:49, Mark Rotteveel wrote:
> The error itself is my own fault (I shouldn't have called
> isc_event_counts which zeroed out the event buffer as the result buffer
> was still empty), but I don't understand that I get an event callback
> with length zero after step 3.
>
> As a sidenote: I don't understand why I get the callback at all at this
> point: the event hasn't been triggered on the database yet at this point.

   Usually it is the result of event cancellation. Perhaps, second call to 
isc_que_event() 
cancels previous call instead of using new event_id.

-- 
   WBR, SD.

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