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From "Shai Erera (JIRA)" <>
Subject [jira] [Commented] (LUCENE-4258) Incremental Field Updates through Stacked Segments
Date Fri, 27 Jul 2012 11:39:35 GMT


Shai Erera commented on LUCENE-4258:

bq. can only update individual terms, but not fields

Who said that? One of the update operations I listed is REPLACE_FIELD, which means replace
the field's content entirely with the new content.

bq. I don't think its progress if we add a design that can only work with omitTFAP and no

I never said that will be the design. What I said is that in order to update a field at the
term level, we'll start with such fields only. The rest of the fields (i.e. w/ norms, payloads
and what not) will be updated through REPLACE_FIELD. The way I see it, we still address all
the issues, only for some fields we require a whole field replace, and not an optimized term-based
update. That can be improved further along, or not.

bq. In fact this issue shouldnt be called incremental field updates: its not. its "term updates"
or something else entirely different.

That is my idea of incremental field updates and I'm not sure that it's not your idea as well
:). You seem to only want to support REPLACE_FIELD, while I say that for some field types
we can support UPDATE_FIELD (i.e. at the term level), that's it !
> Incremental Field Updates through Stacked Segments
> --------------------------------------------------
>                 Key: LUCENE-4258
>                 URL:
>             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 (

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