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Re: Submission of Internet Draft - Complex Directory LookupusingJavabased LDAP Query Extension
There are certainly many applications that can be addressed via nested searches without generalized scripting. For cases of the sort that you mention LDAP provides a framework via the 'matchingRuleAssertion' to extend a server(s) with specific capabilties. In this conjuction it would be perhaps interesting to explore a matching rule expression language; however, a great deal of mileage could be gained by simply addressing nested searches as a means of improving overall system performance.
ciao,
Christine Tomlinson
Vishal Goenka wrote:
> It wouldn't be possible to take care of searches based on an arbitrary function of an attribute in the way you suggest. e.g., to search for an employee whose social security number is a prime (this might look a contrived example, but I hope you get the idea), you would have to convey the primality test function to the server. Scripts (like javascript) aren't too good to handle complex logic, and do not have a rich set of interfaces/classes available, as Java does. I'm not aware of the patent/license issues with Java however.
>
> Thanks for your comments, and I welcome them,
>
> Vishal
>
> >>> Chris Tomlinson <christine.tomlinson@INNOSOFT.COM> 01/08 5:13 AM >>>
> Perhaps rather than sending code to a server it would be reasonable to
> identify an extension to the filter syntax so that nested searches could be
> expressed in a manner similar to the nesting of 'selects' within an SQL
> 'where' clause.
>
> ciao,
> Christine Tomlinson
>
> Paul Leach wrote:
>
> > Is Java patent and license free, so that it can be incorporated in a
> > standards-track item?
> >
> > Regardless of the answer tothat, I think JavaScript is a more reasonable
> > form in which to send the code to the server.
> >
> > > -----Original Message-----
> > > From: Tim Howes [mailto:howes@netscape.com]
> > > Sent: Tuesday, January 05, 1999 10:44 AM
> > > To: Vishal Goenka
> > > Cc: ietf-ldapext@netscape.com
> > > Subject: Re: Submission of Internet Draft - Complex Directory Lookup
> > > usingJava based LDAP Query Extension
> > >
> > >
> > > LDAPEXT people, we need to decide whether this work
> > > should be added to our charter or not, and if so,
> > > what our exact goals and deliverables relatec to
> > > it should be. Does anybody have an opinion on this?
> > > -- Tim
> > >
> > > Vishal Goenka wrote:
> > > >
> > > > Hello,
> > > >
> > > > I've a draft of a proposal on LDAP Extensions, entitled
> > > "Complex Directory Lookup using Java based LDAP Query
> > > Extension", which I would like to submit for consideration as
> > > an Internet Draft. This proposal has been reviewed internally
> > > at Novell, and deemed suitable to be pursued as an Internet
> > > Standard. The document is enclosed in the recommended format.
> > > I would appreciate comments/feedback on the contents as well
> > > as layout of the document.
> > > >
> > > > Regards,
> > > > Vishal Goenka
> > > > Novell, Inc.
> > > >
> > > >
> > > --------------------------------------------------------------
> > > ----------
> > > > Name:
> > > draft-ietf-ldapext-java-complex-search-01.txt
> > > > draft-ietf-ldapext-java-complex-search-01.txt Type:
> > > Plain Text (text/plain)
> > > > Encoding:
> > > quoted-printable
> > >