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Date: Thu, 25 Oct 2007 21:31:36 -0700 (PDT)
From: poojasreejith <pooja@pivotsys.com>
To: java-user@lucene.apache.org
Subject: Re: lucene indexing doubts
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 <75DB4B78-818E-4F23-B1E2-9AD333CEB165@gmail.com>


hi,
 thanks for your response. I think you hanven't got what my question is? I
will explain with an example. I have a folder which contains  the indexed
files. so, suppose if i want to add one more indexed data into it, without
deleting the whole folder and performing  the indexing for all the files
again. I want it to do only that one file and add the index in the index
folder. 

karl wettin-3 wrote:
> 
> 
> 25 okt 2007 kl. 19.35 skrev poojasreejith:
> 
>>
>> Can anyone of you guide me, how to index into an already indexed  
>> folder.
>> Right now, I am deleting the indexed info and running the indexer  
>> again. I
>> dont want to do that. I want a method, how to append into the same  
>> folder
>> when new files are indexed.
> 
> I'm not really sure I understand your question.
> 
> Are you looking for the IndexWriter.deleteDocument method?
> <http://lucene.apache.org/java/2_2_0/api/org/apache/lucene/index/ 
> IndexWriter.html#updateDocument(org.apache.lucene.index.Term,% 
> 20org.apache.lucene.document.Document)>
> 
> Are you looking for a delta, what has been changed in the filesystem  
> since your last update? If you have no way of checking this, what  
> about iterating all files and searching for their filename? Of course  
> you will need to index the file name too.
> 
> I hope this helps.
> 
> 
> -- 
> karl
> 
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