Simon Willnauer created LUCENE-8200:
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Summary: Allow doc-values to be updated atomically together with
a document
Key: LUCENE-8200
URL: https://issues.apache.org/jira/browse/LUCENE-8200
Project: Lucene - Core
Issue Type: Improvement
Affects Versions: 7.4, master (8.0)
Reporter: Simon Willnauer
Assignee: Simon Willnauer
Attachments: LUCENE-8200.patch
Today we can only update a document by deleting all previously indexed
documents for the given term. In some cases like when deletes are not `final`
in the way that documents that are marked as deleted should not be merged away
a `soft-delete` is needed which is possible when doc-values updates can be done
atomically just like delete and add in updateDocument(s)
This change introduces such a soft update that reuses all code paths from
deletes to update all previously updated documents for a given term instead of
marking it as deleted. This is a spinnoff from LUCENE-8198
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