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https://issues.apache.org/jira/browse/LUCENE-8306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16497764#comment-16497764
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Jim Ferenczi commented on LUCENE-8306:
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We discussed with [~romseygeek] about the current status and came to the
conclusion that it would be simpler to just add a method inside the
MatchesIterator to return the inner matches. It could be another
MatchesIterator that explodes the parent matches into the nested matches
contained in the current interval. This would simplify the API and we would not
need to introduce another collector.
We also discuss the fact that we don't need to get the individual terms, just
getting the inner matches should be fine. However we need a way to distinguish
matches coming from different queries so instead of returning the individual
terms we could add a label that identifies each matches and link it to the
original query. It can be a simple ID, the goal is just to be able to regroup
matches generated by the same query.
> Allow iteration over the term positions of a Match
> --------------------------------------------------
>
> Key: LUCENE-8306
> URL: https://issues.apache.org/jira/browse/LUCENE-8306
> Project: Lucene - Core
> Issue Type: New Feature
> Reporter: Alan Woodward
> Assignee: Alan Woodward
> Priority: Major
> Attachments: LUCENE-8306.patch, LUCENE-8306.patch
>
>
> For multi-term queries such as phrase queries, the matches API currently just
> returns information about the span of the whole match. It would be useful to
> also expose information about the matching terms within the phrase. The same
> would apply to Spans and Interval queries.
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