Compressed fields should be "externalized" (from Fields into Document)
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                 Key: LUCENE-652
                 URL: http://issues.apache.org/jira/browse/LUCENE-652
             Project: Lucene - Java
          Issue Type: Improvement
          Components: Index
    Affects Versions: 2.0.0, 1.9, 2.0.1, 2.1
            Reporter: Michael McCandless



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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