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https://issues.apache.org/jira/browse/LUCENE-6371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14577449#comment-14577449
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Adrien Grand commented on LUCENE-6371:
--------------------------------------

bq. However, it would still be quite a bit of work

Right, iterators that can peek are tricky to implement, I'd rather avoid that.

bq. To make NSO iterate lazily, what else could be done after stretchToOrder() 
than shrinkToAfterShortestMatch() ?

I think we should only call stretchToOrder() as there is nothing better we can 
do without having information about further positions? Advancing any of the sub 
spans could make the span unordered or larger than the slop.

> Improve Spans payload collection
> --------------------------------
>
>                 Key: LUCENE-6371
>                 URL: https://issues.apache.org/jira/browse/LUCENE-6371
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Paul Elschot
>            Assignee: Alan Woodward
>            Priority: Minor
>             Fix For: Trunk, 5.3
>
>         Attachments: LUCENE-6371.patch, LUCENE-6371.patch, LUCENE-6371.patch, 
> LUCENE-6371.patch, LUCENE-6371.patch, LUCENE-6371.patch
>
>
> Spin off from LUCENE-6308, see the comments there from around 23 March 2015.



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