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From Marie-Hélène Forget <mhfor...@logient.com>
Subject Re: Deleting documents that meet a query
Date Mon, 09 Jun 2003 17:43:33 GMT
Hi,

I confirm to you that delete( hits.id( i ) ) is ok.

Hits.id( int ) returns the docnum that you need.

MHF :)

On Mon, 2003-06-09 at 12:11, Bruce Cota wrote:
> I need to delete all the documents from an index that
> satisfy a BooleanQuery.
> 
> The only methods I can find (in IndexReader) for deleting
> a document are delete(Term) and delete(int).
> 
> I tried searching on my Query using IndexSearcher.search(),
> iterating over each document in the returned Hits,
> and then iterating over Hits deleting each document like this:
> 
> for (int i=0; i<hits.length(); +++i) {
>     ireader.delete(hits.id(i));
> }
> 
> Hoping here that the value returned by
> Hits.id(int) is the "docnum" expected in
> IndexReader.delete(int)
> 
> But the call to delete throws an IOException.
> 
> So, is there any way I can delete all the documents from
> an Index that satisfy a general Query?
> 
> Thank you for any advice.
> 
> Bruce Cota,
> Unicon, Inc.
> 
> 
> 
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