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https://issues.apache.org/jira/browse/LUCENE-4258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13932048#comment-13932048
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Sunny Khatri commented on LUCENE-4258:
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Hi Guys,
I've been looking at this patch and wanted to know if there's any update on the
release date for this patch.
I was able to try out this patch and observed some issues regarding the term
offsets for the stacked up segment data. It seems like when a new update is
made on top of the stack (Operation.ADD_FIELDS), their offsets begins back from
0. For example (and a use case) : Let a document be { term1 term2 term3 term4
term5}. Now we send the whole document in multiple chunks.
Update 1: term1 term2 term3
Update 2: term4 term5
Now the stack looks like (along with their positions):
term4:::0 term5:::1
term1:::0 term2:::1 term3:::2
So what we end up getting is two terms appearing at position 0, two on
position1 etc.
CONS: Phrase queries, etc, won't work in this case, for instance, as search for
"term3 term4".
Just wanted to have a take from you guys to see if that issue could be resolved
easily ?
> 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
> Fix For: 4.7
>
> Attachments: IncrementalFieldUpdates.odp,
> LUCENE-4258-API-changes.patch, LUCENE-4258.branch.1.patch,
> LUCENE-4258.branch.2.patch, LUCENE-4258.branch.4.patch,
> LUCENE-4258.branch.5.patch, LUCENE-4258.branch.6.patch,
> LUCENE-4258.branch.6.patch, LUCENE-4258.branch3.patch,
> LUCENE-4258.r1410593.patch, LUCENE-4258.r1412262.patch,
> LUCENE-4258.r1416438.patch, LUCENE-4258.r1416617.patch,
> LUCENE-4258.r1422495.patch, LUCENE-4258.r1423010.patch
>
> 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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