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From "Andrzej Bialecki (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-2887) Remove/deprecate IndexReader.undeleteAll
Date Mon, 24 Jan 2011 20:34:43 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-2887?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12985967#action_12985967
] 

Andrzej Bialecki  commented on LUCENE-2887:
-------------------------------------------

The MultiPassIndexSplitter won't work without this API. It can be modified to use a subclass
of IndexReader & term / postings enumerators to restore the current behavior, or it can
be rewritten entirely as a (fabled) SinglePassIndexSplitter. ;)

> Remove/deprecate IndexReader.undeleteAll
> ----------------------------------------
>
>                 Key: LUCENE-2887
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2887
>             Project: Lucene - Java
>          Issue Type: Improvement
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: 3.1
>
>
> This API is rather dangerous in that it's "best effort" since it can only un-delete docs
that have not yet been merged away, or, dropped (as of LUCENE-2010).
> Given that it exposes impl details of how Lucene prunes deleted docs, I think we should
remove this API.
> Are there legitimate use cases....?

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