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https://issues.apache.org/jira/browse/LUCENE-1771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12739154#action_12739154
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Yonik Seeley commented on LUCENE-1771:
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bq. Why not? QueryWeight implements Weight for back compat...
Couldn't QueryWeight just have the following default implementation?
public Explanation explain(IndexReader reader, int doc) throws IOException {
explain(reader,doc,null);
}
And implementations would just need to be able to handle a null searcher (for
now).
> Using explain may double ram reqs for fieldcaches when using
> ValueSourceQuery/CustomScoreQuery or for ConstantScoreQuerys that use a
> caching Filter.
> ----------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: LUCENE-1771
> URL: https://issues.apache.org/jira/browse/LUCENE-1771
> Project: Lucene - Java
> Issue Type: Bug
> Components: Search
> Reporter: Mark Miller
> Assignee: Mark Miller
> Fix For: 2.9
>
> Attachments: LUCENE-1771.patch
>
>
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