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https://issues.apache.org/jira/browse/LUCENE-6304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14345707#comment-14345707
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Robert Muir commented on LUCENE-6304:
-------------------------------------
Thanks Lee, I like this.
When i see code overriding hashcode/equals and not calling
super.hashcode/super.equals, its a bad sign.
We should commit this one, and remove duplicated logic and hardcoded constants
in e.g. TermQuery and all other places in a followup.
> Add MatchNoDocsQuery that matches no documents
> ----------------------------------------------
>
> Key: LUCENE-6304
> URL: https://issues.apache.org/jira/browse/LUCENE-6304
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/search
> Affects Versions: 5.0
> Reporter: Lee Hinman
> Priority: Minor
> Attachments: LUCENE-6304.patch, LUCENE-6304.patch, LUCENE-6304.patch,
> LUCENE-6304.patch
>
>
> As a followup to LUCENE-6298, it would be nice to have an explicit
> MatchNoDocsQuery to indicate that no documents should be matched. This would
> hopefully be a better indicator than a BooleanQuery with no clauses or (even
> worse) null.
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