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From "David Smiley (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (LUCENE-8511) MultiFields.getIndexedFields can be optimized to not use getMergedFieldInfos
Date Wed, 19 Sep 2018 20:24:00 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-8511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

David Smiley reassigned LUCENE-8511:
------------------------------------

    Assignee: David Smiley

> MultiFields.getIndexedFields can be optimized to not use getMergedFieldInfos
> ----------------------------------------------------------------------------
>
>                 Key: LUCENE-8511
>                 URL: https://issues.apache.org/jira/browse/LUCENE-8511
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: David Smiley
>            Assignee: David Smiley
>            Priority: Minor
>         Attachments: LUCENE-8511.patch
>
>
> MultiFields.getIndexedFields calls getMergedFieldInfos.  But getMergedFieldInfos is kinda
heavy, doing all sorts of stuff that getIndexedFields doesn't care about.  It can simply loop
the leaf readers and collect the results into a Set.  Java 8 streams should make easy work
of this.



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