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From "Paul Borgermans" <paul.borgerm...@gmail.com>
Subject Re: Are Search Joins Possible between two Physically separate Indexes?
Date Fri, 14 Jul 2006 13:01:33 GMT
Sorry,

a filter won't help if I understood you correctly (a real join based
on the external DocumentID)

Paul

On 7/13/06, Paul Borgermans <paul.borgermans@gmail.com> wrote:
> Though I'm a newbie (which means I may be completely wrong), I don't
> think this is possible "out of the box". The quickest would be to
> write a filter which looks up document id's in the first index and
> applies this to the second index to get the disired subset to search
> over.
>
> I may need this too, so I'm curious what the experts have to say
>
> Regards
>
> Paul
>
> On 7/13/06, Dejan Nenov <dejannenov@jollyobject.com> wrote:
> > Here is a use case I am trying to address.
> >
> > I have two separate indexes, which contain sets of the same document
> > pool/corpus.
> > The two indexes have a different set of indexed fields.
> > One of the indexed fields is an external DocumentID.
> >
> > I would like to perform searches, like a relational join, expressing:
> >
> > "Return all fields (from both indexes) for document-ids that exist in both
> > indexes and where field-X in Index-1 contains "foo" and field-Y in Index-2
> > contains "bar".
> >
> > How would you approach this. Do we need to handle the join logic ourselves,
> > or is there an API Approach - possibly around MultiSearcher, that is meant
> > to address this use case?
> >
> > Dejan
> >
> >
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> >
>
>
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>


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