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From Erick Erickson <erickerick...@gmail.com>
Subject Re: Lucene Result
Date Wed, 08 Jun 2011 12:44:01 GMT
hard to say. You should get a copy of Luke and inspect your index to
see if what you
think you put there is actually there. When you added data to your
index, did you
perform a commit?

Best
Erick

On Wed, Jun 8, 2011 at 2:45 AM, Pranav goyal <pranavgoyal40341@gmail.com> wrote:
> There is one field DocId which I am storing as well as indexing and DocId
> and it's value is 00000341
>
> But the search results are giving me 0 results.
> Is there any error in my code for searching?
>
>
>
>
> StandardAnalyzer analyzer = new StandardAnalyzer(Version.LUCENE_31);
>            IndexSearcher searcher = null;
>            try {
>                searcher = new IndexSearcher(FSDirectory.open(indexDir));
>            } catch (CorruptIndexException e) {
>                e.printStackTrace();
>            } catch (IOException e) {
>                e.printStackTrace();
>            }
>            QueryParser parser = new
> QueryParser(Version.LUCENE_31,"text",analyzer);
>
>            String[] queryStrings = new String[] {  "00000341",
>            "9346868468" };
>            TopDocs results = null;
>            for (String queryString : queryStrings) {
>                System.out.println("searching for: " + queryString);
>                Query query1;
>                try {
>                    query1 = parser.parse(queryString);
>                    try {
>                        results = searcher.search(query1,10);
>                    } catch (IOException e) {
>                        e.printStackTrace();
>                    }
>                } catch (ParseException e)
>                    e.printStackTrace();
>                }
>
>                System.out.println("total hits: " + results.totalHits);
>                ScoreDoc[] hits = results.scoreDocs;
>                Document doc = null;
>                for (ScoreDoc hit : hits)
>                {
>
>                    try {
>                        doc = searcher.doc(hit.doc);
>                    } catch (CorruptIndexException e) {
>                        e.printStackTrace();
>                    } catch (IOException e) {
>                        e.printStackTrace();
>                    }
>                    System.out.printf("%5.3f %sn", hit.score,
> doc.get("DocId"));
>                }
>
>
>
> On Wed, Jun 8, 2011 at 11:47 AM, Pranav goyal <pranavgoyal40341@gmail.com>wrote:
>
>> Thanks Anshum
>>
>>
>> On Wed, Jun 8, 2011 at 11:40 AM, Anshum <anshumg@gmail.com> wrote:
>>
>>> Hi Pranav,
>>> The result would be a list of document ids, which can be used to retrieve
>>> the document (Using an indexreader). Once you have the document, you could
>>> fetch 'ANY' of the 'STORED' fields from the index for your purpose.
>>> Directly, you'd not receive either the key field or any other field from
>>> the
>>> 'search' method.
>>> Also, I'd suggest you to grab a copy of Lucene in Action 2nd Edition as
>>> it'd
>>> help you a lot in understanding the way Lucene works/is used.
>>>
>>> --
>>> Anshum Gupta
>>> http://ai-cafe.blogspot.com
>>>
>>>
>>> On Wed, Jun 8, 2011 at 11:00 AM, Pranav goyal <pranavgoyal40341@gmail.com
>>> >wrote:
>>>
>>> > Hi all,
>>> >
>>> > I am getting confused in this thing,
>>> >
>>> > Let say I make a lucene index using a document having a key field (which
>>> I
>>> > am storing as well as indexing)
>>> > and rest of my fields I am just indexing.
>>> >
>>> > When I make some query what would be my result?
>>> > Will it be the field which I am storing or it can be anything?
>>> >
>>>
>>
>>
>>
>> --
>> I'm very responsible, when ever something goes wrong they always say I'm
>> responsible --
>>
>
>
>
> --
> I'm very responsible, when ever something goes wrong they always say I'm
> responsible --
>

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