Andrzej Bialecki created LUCENE-8832:
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Summary: Support for field removal and renaming
Key: LUCENE-8832
URL: https://issues.apache.org/jira/browse/LUCENE-8832
Project: Lucene - Core
Issue Type: Improvement
Reporter: Andrzej Bialecki
Assignee: Andrzej Bialecki
Currently it's not possible to rename existing Lucene fields or delete them
without creating a new index from scratch (FieldInfos are basically
append-only).
This issue proposes to investigate an approach that applies these changes at a
Codec level so that the unwanted data is skipped over (in case of field delete)
or accessed under a different name (in case of field rename). Since the same
Codec API is used for segment merging the deletion / removal filtering could be
applied only to the currently existing segments because the resulting merged
segments would not contain this data anymore.
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