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Re: Query kernel



hi ,
  now we have got some clear idea of what is to be done
i want an idea of how wizardstore works.
i have started looking at the code
do u have some documentation with u 
  after we understand how objects r stored 
we can proceed with the algos.

bye
das


On Fri, 30 Mar 2001, Falko Braeutigam wrote:

> On Thu, 29 Mar 2001, s dasarathi wrote:
> > hi falko,
> >    i had some  doubts while thinking
> > about the kernel.
> >    it has to have front ends for OQL, SODA etc etc
> > say for OQL, we need to have some interpreter that
> > converts the  queries to some statements which will
> > be understood by the kernel.
> 
> This would be one approach but not the best I guess. The query kernel should
> provide a Java API that is able to serve as the back-end for several front-end
> systems (even non-text-language systems).
> 
> >   and the kernel returns the result of the query
> > in a manner understood by the front end which then
> > outputs it to the user.
> Yes. Such a front-end system would have to interpret the "language" that it is
> designed to support (OQL, SOADA...) into query kernel API calls and vice versa.
> But it would _not_ have to deal with the implementation of the query algorithms
> itself. The kernel provides a rich API (and implementation) that hides the ozone
> specific (and probably tricky) implementation from the fron-ends.
> 
> > 
> >    if all the above is fine then it is just
> > a matter of retrieving data from the DB.
> > what other functionalities do u think this kernel should have??
> see above
> 
> 
> Falko
> -- 
> ______________________________________________________________________
> Falko Braeutigam                              mailto:falko@smb-tec.com
> SMB GmbH                                        http://www.smb-tec.com
> 

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