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From "lingaraju" <lingaraju.shambulinga...@infactindia.com>
Subject Re: docfaq of IndexReader is showing the deleted document also
Date Wed, 28 Jul 2004 09:13:10 GMT

Thanks for information
I have read the documentation for the IndexReader.delete. method
After "Indexwriter optimize()" method "docFreq" is giving correct count I
mean excluding deleted document
I am having one more question
Actually I am using docFreq method to find the particular document is
present or not in index by using key(Unique) field OID

  IndexReader reader = IndexReader.open("c:/index");
  Term term = new Term("OID","9365");
  int i=reader.docFreq(term);
  if (i!=0)
  {System.out.println("Document present the index:"+i); }

This is the right way or is there any way to find out?

Regards
Raju



----- Original Message ----- 
From: "Bernhard Messer" <Bernhard.Messer@intrafind.de>
To: "Lucene Developers List" <lucene-dev@jakarta.apache.org>
Sent: Tuesday, July 27, 2004 7:28 PM
Subject: Re: docfaq of IndexReader is showing the deleted document also


> Hi Raju,
>
> read the documentation for the IndexReader.delete method and you will
> find your way ;-)
>
> /** Deletes the document numbered <code>docNum</code>.  Once a document is
>    deleted it will not appear in TermDocs or TermPostitions enumerations.
>    Attempts to read its field with the {@link #document}
>    method will result in an error.  The presence of this document may
> still be
>    reflected in the {@link #docFreq} statistic, though
>    this will be corrected eventually as the index is further modified.
>    */
>
> public final synchronized void delete(int docNum) throws IOException
>
>
> regards
> Bernhard
>
> lingaraju wrote:
>
> >I used the below code
> >
> >reader.delete(term);
> >i=reader.docFreq(term);
> >System.out.println("docfaq:"+i);
> >reader.close();
> >
> >reader.docFreq method is returning 10 count before delete even after
delete
> >also count is showing same why
> >
> >Regards
> >Raju
> >
> >
> >
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> >
> >
>
>
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>


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