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https://issues.apache.org/jira/browse/LUCENE-2071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12851388#action_12851388
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Tim Smith commented on LUCENE-2071:
-----------------------------------
+1
I have a special subclassed IndexSearcher that certain special queries require,
so IndexWriter's delete by query will fail as an IndexSearcher is passed in
With this added method, i would be able to construct my own Searcher over the
readers and then apply deletes properly
This would also allow counting the deletes as they occur as well (which is
commonly desired when deleting by query)
It would be nice if this method would also work with non-pooled readers
so my desired method signature would be:
void updateReaders(Readers callback, boolean pooled)
if the readers were already pooled, this would have no effect, otherwise it
would just open the segment readers just like the non-pooled delete readers are
opened
> Allow updating of IndexWriter SegmentReaders
> --------------------------------------------
>
> Key: LUCENE-2071
> URL: https://issues.apache.org/jira/browse/LUCENE-2071
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Index
> Affects Versions: 2.9.1
> Reporter: Jason Rutherglen
> Priority: Minor
> Fix For: 3.1
>
> Attachments: LUCENE-2071.patch
>
>
> This discussion kind of started in LUCENE-2047. Basically, we'll allow users
> to perform delete document, and norms updates on SegmentReaders that are
> handled by IndexWriter.
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