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https://issues.apache.org/jira/browse/LUCENE-7580?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul Elschot updated LUCENE-7580:
---------------------------------
    Attachment: LUCENE-7580.patch

Patch of 6 Jan 2017.

This contains:

The changes in the patch of 30 Dec 2016.

Support for SpanSynonymQuery, see SynonymSpans and SynonymSpansDocScorer.

Class AsSingleTermSpansDocScorer as common superclass for TermSpansDocScorer 
and SynonymSpansDocScorer. This is the place where matching and non matching 
term occurrences are scored with a SimScorer from Similarity while taking into 
account the slop factors.

Method SpansTreeQuery.wrapAfterRewrite() to use SpansTreeQuery.wrap() at the 
right moment.


> Spans tree scoring
> ------------------
>
>                 Key: LUCENE-7580
>                 URL: https://issues.apache.org/jira/browse/LUCENE-7580
>             Project: Lucene - Core
>          Issue Type: Improvement
>          Components: core/search
>    Affects Versions: master (7.0)
>            Reporter: Paul Elschot
>            Priority: Minor
>             Fix For: 6.x
>
>         Attachments: LUCENE-7580.patch, LUCENE-7580.patch, LUCENE-7580.patch, 
> LUCENE-7580.patch
>
>
> Recurse the spans tree to compose a score based on the type of subqueries and 
> what matched



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