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Re: Questions about lastmod overlay

I did some googling for the "modifyTimestamp" and found a few
references, but nothing that tells me how I can access the attribute's
value and make use of it.  I also googled for the phrase "operational
attribute" and I didn't find anything helpful.  Could someone please
point me to some examples, FAQs, or other documentation?


Howard Chu said the following on 11/15/2006 07:35 PM:
> Rob Tanner wrote:
>> Hi,
>> I want to get last modified timestamps, etc, on individual entries in
>> OpenLDAP just as I get them in my about to be retired Netscape
>> server. But I noticed that that lastmod overlay is not built by
>> default when you
>> compile from source (one needs to include the "--enable-lastmod" when
>> running configure).  And so, of course, my current binary doesn't
>> support that function.  Is there a downside to using the lastmod
>> overlay?   Can I just recompile and reinstall and not have to actually
>> rebuild the database, or do I have to dump the database and reload it
>> again?
> I don't think the lastmod overlay does what you think it does. That
> overlay records the last modification made to any entry in the
> database, onto an attribute on the root entry of the database. Also,
> there's an outstanding ITS against this overlay, so it is apparently
> broken at the moment.
> OpenLDAP already records the last modified timestamp on individual
> entries; it's in the "modifyTimestamp" operational attribute.


Rob Tanner
UNIX Services Manager
Linfield College, McMinnville OR

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