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https://issues.apache.org/jira/browse/LUCENE-1278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12594220#action_12594220
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Michael McCandless commented on LUCENE-1278:
--------------------------------------------
{quote}
I had a look at today's patch, but I stopped at DocumentsWriter because it
contains a lot of layout changes, so it's hard to focus on the functional
differences.
{quote}
I also stopped at DocumentsWriter: it seems like nearly all the
changes are cosmetic. SegmentTermEnum is also hard to read.
In general it's best to not make cosmetic changes (moving around
import lines, changing whitespace, re-justifying whole paragraphs in
javadocs, etc.) at the same time as a "real" change, when possible. I
do admit there is a strong temptation ;)
Also, indentation should be two spaces, not tab. A number of sources
were changed to tab in the patch.
> Add optional storing of document numbers in term dictionary
> -----------------------------------------------------------
>
> 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
> Attachments: lucene.1278.5.4.2008.patch, lucene.1278.5.5.2008.patch
>
>
> Add optional storing of document numbers in term dictionary. String index
> field cache and range filter creation will be faster.
> Example read code:
> {noformat}
> 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());
> {noformat}
> Example write code:
> {noformat}
> Document document = new Document();
> document.add(new Field("tag", "dog", Field.Store.YES,
> Field.Index.UN_TOKENIZED, Field.Term.STORE_DOCS));
> indexWriter.addDocument(document);
> {noformat}
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