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From "Uwe Schindler (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-1596) optimize MultiTermEnum/MultiTermDocs
Date Mon, 13 Apr 2009 14:53:14 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-1596?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12698402#action_12698402
] 

Uwe Schindler commented on LUCENE-1596:
---------------------------------------

Yes I understand, the problematic call is TermDocs.seek(TermEnum) which does an instanceof
check. If it is a FilteredTermEnum or anything other, which is wrapped, the optimization is
not used.

> optimize MultiTermEnum/MultiTermDocs
> ------------------------------------
>
>                 Key: LUCENE-1596
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1596
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Search
>            Reporter: Yonik Seeley
>            Assignee: Yonik Seeley
>         Attachments: LUCENE-1596.patch
>
>
> Optimize MultiTermEnum and MultiTermDocs to avoid seeks on TermDocs that don't match
the term.

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