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From Otis Gospodnetic <otis_gospodne...@yahoo.com>
Subject Re: Add unique id to a doc
Date Thu, 21 Jul 2005 17:17:44 GMT
Going the DB way may be safer.
But you could use IndexReader's maxDoc() method to use the other
approach:
http://lucene.apache.org/java/docs/api/org/apache/lucene/index/IndexReader.html#maxDoc()

Otis

--- Riccardo Daviddi <rdaviddi@gmail.com> 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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