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Posted to dev@lucene.apache.org by "Terry Smith (JIRA)" <ji...@apache.org> on 2015/08/20 16:51:47 UTC

[jira] [Commented] (LUCENE-6748) The query cache should not cache trivial queries

    [ https://issues.apache.org/jira/browse/LUCENE-6748?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14705045#comment-14705045 ] 

Terry Smith commented on LUCENE-6748:
-------------------------------------

I'd add a case to the patch to include empty DisjunctionMaxQuery instances also.


> The query cache should not cache trivial queries
> ------------------------------------------------
>
>                 Key: LUCENE-6748
>                 URL: https://issues.apache.org/jira/browse/LUCENE-6748
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Adrien Grand
>            Assignee: Adrien Grand
>            Priority: Minor
>         Attachments: LUCENE-6748.patch
>
>
> The query cache already avoids caching term queries because they are cheap, but it doesn't do it with even cheaper queries like MatchAllDocsQuery.



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