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https://issues.apache.org/jira/browse/LUCENE-1849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12747645#action_12747645
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Tim Smith commented on LUCENE-1849:
-----------------------------------
bq. Out-of-order scoring is only used for top-scorers today in Lucene
I see that FilteredQuery passes "scoreDocsInOrder" down to its sub query
Is this incorrect?
seems like this could cause problems as FilteredQuery does call nextDoc/advance
on its sub query (which could be out of order because of this)
> Add OutOfOrderCollector and InOrderCollector subclasses of Collector
> --------------------------------------------------------------------
>
> Key: LUCENE-1849
> URL: https://issues.apache.org/jira/browse/LUCENE-1849
> Project: Lucene - Java
> Issue Type: Wish
> Components: Search
> Affects Versions: 2.9
> Reporter: Tim Smith
> Priority: Minor
> Fix For: 2.9
>
>
> I find myself always having to implement these methods, and i always return a
> constant (depending on if the collector can handle out of order hits)
> would be nice for these two convenience abstract classes to exist that
> implemented acceptsDocsOutOfOrder() as final and returned the appropriate
> value
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