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Posted to dev@lucene.apache.org by "David Smiley (JIRA)" <ji...@apache.org> on 2018/10/31 16:38:05 UTC

[jira] [Created] (LUCENE-8552) optimize getMergedFieldInfos for one-segment FieldInfos

David Smiley created LUCENE-8552:
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             Summary: optimize getMergedFieldInfos for one-segment FieldInfos
                 Key: LUCENE-8552
                 URL: https://issues.apache.org/jira/browse/LUCENE-8552
             Project: Lucene - Core
          Issue Type: New Feature
            Reporter: David Smiley


FieldInfos.getMergedFieldInfos could trivially return the FieldInfos of the first and only LeafReader if there is only one LeafReader.

Also... if there is more than one LeafReader, and if FieldInfos & FieldInfo implemented equals() & hashCode() (including a cached hashCode), maybe we could also call equals() iterating through the FieldInfos to see if we should bother adding it to the FieldInfos.Builder?  Admittedly this is speculative; may not be worth the bother.



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