RE: Trigger during Read operation

[Colin Williams <Williamsc@xxxxxxxxxxxxxxxxx>]

Would that have performance implications?

>-----Original Message-----
>From: Tim McCarthy [mailto:TimM@softwarejungle.com]
>Sent: Wednesday, December 15, 1999 11:28 PM
>To: 'MIDRANGE-L@midrange.com'
>Subject: RE: Trigger during Read operation
>
>
>       Sure you could probably modify the system pointer to the DB read
>program in the SEPT - this was discussed on the MI list recently - but
>you'd have to be prepared to re-visit this program for new OS releases
>and potentially PTF levels too. Not to mention it's a security
>violation.
>
>> He found out which MI programs were evoked for a DB read event and
>> somehow
>> "PATCHED" the system File object to fire a trigger program on a READ
>> operation.
>> 
>> I don't know how he did it.   I knew Kent walked away saying "There
>> are some
>> 
>> sharp people out there, Jeez".  
>> 
>> So it can be done.
>> 
>> John Carr
>> EdgeTech
>> -----------------------------------
>> Hi all,
>> 
>> Can I track READ operations on a file like trigger programs(which
>> triggers
>> only for INSERT/UPDATE/DELETE operations.) My requirement is to
>> execute a
>> program when a READ operation happened on a file.  Any
>> suggestions/Ideas to
>> achieve this.
>> 
>> Thanx
>> 
>> Shepherd Chacko
>> Robert Bosch.
>> India
>> 
>> 
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