It would be possible to add a feature which would let you efficiently 
update un-indexed field values.  But, to update an indexed field, 
because of the index file formats and algorithms, it would be very 
inefficient to do something other than delete+add.

Doug

Albert Vila Puig wrote:
> 
> I know the only way to update a document is doing a delete and an add. 
> Even so, I want to know if there is a possibility to modify the lucene 
> core in order to allow real document updates (for instance, change a 
> document field value). Is it possible to implement a feature like that? 
> I think a lot of people will be interested in such a feature.
> 
> Any comment will be appreciate.
> 
> Thanks
> 
> Albert
> 
> 
> 
> 
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