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Message-ID: <49305509.5000409@sfs.uni-tuebingen.de>
Date: Fri, 28 Nov 2008 21:31:05 +0100
From: Niels Ott <nott@sfs.uni-tuebingen.de>
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Subject: Deleting from Index by URL field: is it safe?
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Hi all,

I want to safely delete documents from my index. There is an URL field 
that specifies where the document came from.

I'm using something like this:

    indexwriter.deleteDocuments(new Term("URL", myURL));

(inspired by the Lucene in Action Book, page 35.)

I'm uncertain whether this is safe or not: is there a chance that I 
delete documents I would want to keep? How does the matching exactly work.

During indexing, I'm using a KeywordAnalyzer for the URL field in order 
to avoid tokenization.

Best,

    Niels

-- 
Niels Ott
Computational Linguist (B.A.)
http://www.drni.de/niels/

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