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https://issues.apache.org/jira/browse/LUCENE-1721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12725141#action_12725141
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Tim Smith commented on LUCENE-1721:
-----------------------------------

i suppose even that approach would cause problems if segments merge between 
getting the segment number/local doc pair and actuallly asking for the delete

> IndexWriter to allow deletion by doc ids
> ----------------------------------------
>
>                 Key: LUCENE-1721
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1721
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Index
>            Reporter: Shay Banon
>
> It would be great if IndexWriter would allow for deletion by doc ids as well. 
> It makes sense for cases where a "query" has been executed beforehand, and 
> later, that query needs to be applied in order to delete the matched 
> documents.
> More information here: 
> http://www.nabble.com/Delete-by-docId-in-IndexWriter-td24239930.html

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