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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-652) Compressed fields should be "externalized" (from Fields into Document)
Date Fri, 20 Mar 2009 18:32:50 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-652?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12683981#action_12683981
] 

Michael McCandless commented on LUCENE-652:
-------------------------------------------

bq. Yes, should I prepare a patch for trunk and add these methods?

You mean to switch to UnicodeUtil?  That would be great!


> Compressed fields should be "externalized" (from Fields into Document)
> ----------------------------------------------------------------------
>
>                 Key: LUCENE-652
>                 URL: https://issues.apache.org/jira/browse/LUCENE-652
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Index
>    Affects Versions: 1.9, 2.0.0, 2.1
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>            Priority: Minor
>             Fix For: 2.9
>
>         Attachments: LUCENE-652.patch, LUCENE-652.patch
>
>
> Right now, as of 2.0 release, Lucene supports compressed stored fields.  However, after
discussion on java-dev, the suggestion arose, from Robert Engels, that it would be better
if this logic were moved into the Document level.  This way the indexing level just stores
opaque binary fields, and then Document handles compress/uncompressing as needed.
> This approach would have prevented issues like LUCENE-629 because merging of segments
would never need to decompress.
> See this thread for the recent discussion:
>     http://www.gossamer-threads.com/lists/lucene/java-dev/38836
> When we do this we should also work on related issue LUCENE-648.

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