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https://issues.apache.org/jira/browse/LUCENE-2160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12791046#action_12791046
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John Wang commented on LUCENE-2160:
-----------------------------------
Did some more digging around the issue on field ordering. Is it possible to
change FieldInfo file store to change the number in byNumber ArrayList along
with the byName HashMap, and update the file? Or is the number already assumed
to be in sort order from the tii file?
> Tool to rename a field
> ----------------------
>
> Key: LUCENE-2160
> URL: https://issues.apache.org/jira/browse/LUCENE-2160
> Project: Lucene - Java
> Issue Type: New Feature
> Components: contrib/*
> Affects Versions: 3.0
> Reporter: John Wang
> Attachments: RenameField.java, RenameField.java
>
>
> We found it useful to be able to rename a field.
> It can save a lot of reindexing time/cost when being used in conjunction with
> ParallelReader to update partially a field.
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