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From Riccardo Daviddi <rdavi...@gmail.com>
Subject Re: Add unique id to a doc
Date Thu, 21 Jul 2005 19:43:55 GMT
What I want to to is to assign a unique id to each doc I add to the index. 
I was wondering if there is a method to assign a unique id directly
looking in the index so after I could store my doc in a db with the
same id as key.

On 7/21/05, Erik Hatcher <erik@ehatchersolutions.com> wrote:
> You could certainly use IndexReader to get the last document in the
> index and retrieve its ID, but why?
> 
> What use case do you have in mind for such id's?  Do they have a non-
> arbitrary meaning?  Do your documents have nothing unique to identify
> them already?
> 
>      Erik
> 
> 
> On Jul 21, 2005, at 11:53 AM, Riccardo Daviddi wrote:
> 
> > Hi all,
> >
> > it's possible to set an unique id (as keyword field) to a doc by
> > looking in the index? I mean, it's possible to look in the index and
> > know what is the last id (which is a keyword field) and then decide
> > for the new id to associate to the new indexed doc? Or it's better
> > store the doc in a db and get so a unique id (the key of the row in
> > the db) and use it as the unique id for the keyword field in the
> > index?
> >
> > --
> > Riccardo Daviddi
> >
> > ---------------------------------------------------------------------
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> >
> 
> 
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> 


-- 
Riccardo Daviddi

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