On Friday, December 11, 1998 8:03 AM, Marty Kraimer [SMTP:[email protected]] wrote:
> Ralph Lange wrote:
> >
> > > I have a naive question here. I was under the impression that even if a
> > > record requested that monitors be posted on a field which had not changed,
> > > that channel access would not actually post the monitors if the values were
> > > the same. Is this true?
> >
Strictly speaking, when record support calls db_post_events() a monitor event is always
added to the servers event queue if there is quota. If there is not quota then the last event
on the queue is replaced. Contrary to my interpretation of Mark's impression above,
there is _not_ any event suppression in or below db_post_events() where the post event request
is ignored if the monitored value has not changed significantly since the last event. The responsibility
for this sort of event compression is left solely to the situation specific needs of dbCommon
and record support.
Jeff
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