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From "David Smiley (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-12337) Remove QueryWrapperFilter
Date Wed, 09 May 2018 18:08:00 GMT

    [ https://issues.apache.org/jira/browse/SOLR-12337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16469220#comment-16469220
] 

David Smiley commented on SOLR-12337:
-------------------------------------

Patch:  {{Removed SolrConstantScoreQuery(new QueryWrapperFilter(}} wrappings around queries
that were in fact already constant scoring Queries :-)    _shaking my head_ how did we get
to this mess?_

TODO unrelated: SolrIndexSearcher.getProcessedFilter passes ScoreMode.COMPLETE instead of
COMPLETE_NO_SCORE

I didn't yet remove QueryWrapperFilter; that can be done in another patch.  Some tests will
need to be removed/adjusted if it is eliminated.

Tests pass.
Could you please take a look [~yseeley@gmail.com]

> Remove QueryWrapperFilter
> -------------------------
>
>                 Key: SOLR-12337
>                 URL: https://issues.apache.org/jira/browse/SOLR-12337
>             Project: Solr
>          Issue Type: Sub-task
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: David Smiley
>            Assignee: David Smiley
>            Priority: Major
>         Attachments: SOLR-12337.patch
>
>
> QueryWrapperFilter has not been needed ever since Filter was changed to extend Query
-- LUCENE-1518.  It was retained because there was at least one place in Lucene that had a
Filter/Query distinction, but it was forgotten when Filter moved to Solr.  It contains some
code that creates a temporary IndexSearcher but forgets to null out the cache on it, and so
QueryWrapperFilter can add non-trivial overhead.  We should simply remove it altogether.



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