[jira] Commented: (LUCENE-1721) IndexWriter to allow deletion by doc ids

["Michael McCandless (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-1721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12725109#action_12725109 ] 

Michael McCandless commented on LUCENE-1721:
--------------------------------------------

This is a frequently requested feature, and I agree it'd be useful, but the problem is docID is in general not usable in the context of a writer since docIDs shift when segments that have deletions are committed.

> 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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