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Posted to dev@lucene.apache.org by "Michael McCandless (JIRA)" <ji...@apache.org> on 2015/03/31 14:47:52 UTC

[jira] [Updated] (LUCENE-6379) IndexWriter's delete-by-query should optimize/specialize MatchAllDocsQuery

     [ https://issues.apache.org/jira/browse/LUCENE-6379?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael McCandless updated LUCENE-6379:
---------------------------------------
    Attachment: LUCENE-6379.patch

Patch w/ simple test showing that Lucene's schema is actually reset (omitNorms goes away for a field).

> IndexWriter's delete-by-query should optimize/specialize MatchAllDocsQuery
> --------------------------------------------------------------------------
>
>                 Key: LUCENE-6379
>                 URL: https://issues.apache.org/jira/browse/LUCENE-6379
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: Trunk, 5.1
>
>         Attachments: LUCENE-6379.patch
>
>
> We can short-circuit this to just IW.deleteAll (Solr already does so I think).  This also has the nice side effect of clearing Lucene's low-schema (FieldInfos).



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