Speedup merging of stored fields when field mapping "matches"
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Key: LUCENE-1043
URL: https://issues.apache.org/jira/browse/LUCENE-1043
Project: Lucene - Java
Issue Type: Improvement
Components: Index
Affects Versions: 2.2
Reporter: Michael McCandless
Assignee: Michael McCandless
Priority: Minor
Fix For: 2.3
Attachments: LUCENE-1043.patch
Robert Engels suggested the following idea, here:
http://www.gossamer-threads.com/lists/lucene/java-dev/54217
When merging in the stored fields from a segment, if the field name ->
number mapping is identical then we can simply bulk copy the entire
entry for the document rather than re-interpreting and then re-writing
the actual stored fields.
I've pulled the code from the above thread and got it working on the
current trunk.
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