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https://issues.apache.org/jira/browse/LUCENE-4258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13424683#comment-13424683
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Shai Erera commented on LUCENE-4258:
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I had a chat about this with Robert a couple of days ago, figured it'll be
easier to discuss the differences in approaches/opinions, rather than back and
forth JIRA comments. Our idea of incremental field updates is not much
different. Robert stressed that in his opinion we should tackle first the
REPLACE_FIELD operation, which replaces the content of a field entirely by a
new content, because he believes that's the most common scenario (i.e., update
the title field). I believe that term-based updates are very important too, at
least in the scenarios that I face (i.e. adding/removing one ACL, one social
tag, one category etc.).
We concluded that the design should take REPLACE_FIELD into consideration from
the get go. Whether we'll also implement UPDATE_FIELD (or UPDATE_TERMS as a
better name?) depends on the complexity of it. Because initially UPDATE_TERMS
can be implemented through REPLACE_FIELD, so we don't lose functionality.
UPDATE_TERMS can come later as an optimization.
Robert, if I misrepresented our conclusions, please correct me.
> Incremental Field Updates through Stacked Segments
> --------------------------------------------------
>
> Key: LUCENE-4258
> URL: https://issues.apache.org/jira/browse/LUCENE-4258
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/index
> Reporter: Sivan Yogev
> Original Estimate: 2,520h
> Remaining Estimate: 2,520h
>
> Shai and I would like to start working on the proposal to Incremental Field
> Updates outlined here (http://markmail.org/message/zhrdxxpfk6qvdaex).
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