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https://issues.apache.org/jira/browse/LUCENE-3878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13231296#comment-13231296
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Michael McCandless commented on LUCENE-3878:
--------------------------------------------
+1
> CheckIndex should check deleted documents too
> ---------------------------------------------
>
> Key: LUCENE-3878
> URL: https://issues.apache.org/jira/browse/LUCENE-3878
> Project: Lucene - Java
> Issue Type: Task
> Affects Versions: 4.0
> Reporter: Robert Muir
> Fix For: 4.0
>
>
> In 4.0 livedocs are passed down to the enums, thus deleted docs are not so
> special.
> So I think checkindex should not pass the livedocs down to the enums when
> checking,
> it should pass livedocs=null and check all the postings. It already does this
> separately to
> collect stats i think to compare against the term/collection statistics? But
> we should
> just clean this up and only use one enum.
> For example LUCENE-3876 is a case where we were actually making a corrumpt
> index,
> (a position was negative) but because the document in question was deleted,
> CheckIndex
> didn't detect this.
> This could have caused problems if someone just passed null for livedocs
> (maybe they
> are doing something where its not so important to take deletions into account)
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