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https://issues.apache.org/jira/browse/LUCENE-2831?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12978096#action_12978096
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Yonik Seeley commented on LUCENE-2831:
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Do we have any good MultiReader tests?
wrapUnderlyingReader() sort of does... but not enough to tell if someone
accidentally used baseInParent as opposed to the global base.
Perhaps it should construct a MultiReader with an arbitrary but equivalent
structure based on children and leaves?
> Revise Weight#scorer & Filter#getDocIdSet API to pass Readers context
> ---------------------------------------------------------------------
>
> Key: LUCENE-2831
> URL: https://issues.apache.org/jira/browse/LUCENE-2831
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Search
> Affects Versions: 4.0
> Reporter: Simon Willnauer
> Assignee: Simon Willnauer
> Fix For: 4.0
>
> Attachments: LUCENE-2831.patch, LUCENE-2831.patch, LUCENE-2831.patch,
> LUCENE-2831.patch, LUCENE-2831.patch, LUCENE-2831.patch
>
>
> Spinoff from LUCENE-2694 - instead of passing a reader into Weight#scorer(IR,
> boolean, boolean) we should / could revise the API and pass in a struct that
> has parent reader, sub reader, ord of that sub. The ord mapping plus the
> context with its parent would make several issues way easier. See
> LUCENE-2694, LUCENE-2348 and LUCENE-2829 to name some.
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