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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-2514) Change Term to use bytes
Date Thu, 24 Jun 2010 20:53:49 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-2514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12882326#action_12882326
] 

Robert Muir commented on LUCENE-2514:
-------------------------------------

bq. We also need to fix FieldCache/TermRangeQuery, since they now take separate String upper/lower.
We could just add corresponding BytesRef methods?

I'll fix these. I didnt notice them since they don't use Term, but String directly. The patch
is also generally incomplete in other ways... mainly I am searching on uses of Term.text()
and such to ensure I do not introduce performance regressions.

> Change Term to use bytes
> ------------------------
>
>                 Key: LUCENE-2514
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2514
>             Project: Lucene - Java
>          Issue Type: Task
>          Components: Search
>    Affects Versions: 4.0
>            Reporter: Robert Muir
>         Attachments: LUCENE-2514-surrogates-dance.patch, LUCENE-2514.patch, LUCENE-2514.patch,
LUCENE-2514.patch, LUCENE-2514.patch
>
>
> in LUCENE-2426, the sort order was changed to codepoint order.
> unfortunately, Term is still using string internally, and more importantly its compareTo()
uses the wrong order [utf-16].
> So MultiTermQuery, etc (especially its priority queues) are currently wrong.
> By changing Term to use bytes, we can also support terms encoded as bytes such as numerics,
instead of using
> strange string encodings.

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