Hello,
>I want to write a function countIndexEntries(key) to find out how many
>entries are there in the index database for a key. I read the faq entry
>about counting number of hits, but somehow it doesnt work as expected,
>please help:
>I create entries with
indexDocument.add(Field.Keyword(FULLTEXT_KEY_FIELD,key));
indexDocument.add(Field.Text(FULLTEXT_CONTENTS_FIELD,reader));
indexwriter.addDocument(indexDocument);
>I try to count the number of entries for a key with
Query query = QueryParser.parse(key, FULLTEXT_KEY_FIELD,
analyzer);
count = searcher.search(query).length();
>to find out if something is not yet indexed (count=0), already indexed
>(count=1), or index is inconsistent (count=2). But count is always = 0 :-(
>What is wrong or how to acchieve my goal with a different approach? Help is
>appreciated.
Make sure, that you reopen your searcher after modifing the index. That
means close
it and open it again. Else the searcher won't find your document, because he
doesn't
notify a new created segment containing the last changes.
Regards,
Wolf-Dietrich Materna
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