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https://issues.apache.org/jira/browse/LUCENE-8200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16397216#comment-16397216
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Simon Willnauer commented on LUCENE-8200:
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> The patch did not apply for me git apply ../patches/LUCENE-8200.patch ...
> probably because your GH repository does not have the same git lineage as the
> official ASF repo that is mirrored/forked elsewhere.
ok sure.
> I suggest the javadocs more explicitly give the user an idea of what this
> might be used for, since it seems a bit abstract as-is. For example:
I can do that.
> The patch did not apply for me git apply ../patches/LUCENE-8200.patch ...
> probably because your GH repository does not have the same git lineage as the
> official ASF repo that is mirrored/forked elsewhere.
my repo is aligned with whatever is on
_https://git-wip-us.apache.org/repos/asf/lucene-solr.git_ it has not been
forked from a specific mirror on github which doesn't matter at all here. I
don't really understand why you bring this up like a second time here. it's
unrelated.
> 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
> Priority: Major
> Attachments: LUCENE-8200.patch, 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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