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From "Jason Rutherglen (JIRA)" <j...@apache.org>
Subject [jira] Created: (LUCENE-1278) Add optional storing of document numbers in term dictionary
Date Fri, 02 May 2008 11:58:55 GMT
Add optional storing of document numbers in term dictionary
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                 Key: LUCENE-1278
                 URL: https://issues.apache.org/jira/browse/LUCENE-1278
             Project: Lucene - Java
          Issue Type: New Feature
          Components: Index
    Affects Versions: 2.3.1
            Reporter: Jason Rutherglen
            Priority: Minor


Add optional storing of document numbers in term dictionary.  String index field cache and
range filter creation will be faster.  

Example read code:

TermEnum termEnum = indexReader.terms(TermEnum.LOAD_DOCS);
do {
  Term term = termEnum.term();
  if (term == null || term.field() != field) break;
  int[] docs = termEnum.docs();
} while (termEnum.next());

Example write code:

Document document = new Document();
document.add(new Field("tag", "dog", Field.Store.YES, Field.Index.UN_TOKENIZED, Field.Term.STORE_DOCS));
indexWriter.addDocument(document);

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