[jira] [Updated] (LUCENE-5868) JoinUtil support for NUMERIC docValues fields

["Mikhail Khludnev (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-5868?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mikhail Khludnev updated LUCENE-5868:
-------------------------------------
    Attachment: LUCENE-5868.patch

[^LUCENE-5868.patch] It's done, after all. I had to tweak {{TestJoinUtil}} for random tests. Now it generates values ordered similarly for strings, and numbers. It also dedupes values for {{from}}, {{to}} fields, because numeric docvalues store duplicates and it impact scoring in tests. Now, there is no "simple" test coverage for numeric join. I don't think it's necessary, perhaps I'll cover it in simple Solr case.
I want to commit it *next week* into *trunk* and *5.x* to let it out in *5.5*. Please let me know if you wish to veto it. Reviews and ideas are welcome as usual!!         

> JoinUtil support for NUMERIC docValues fields 
> ----------------------------------------------
>
>                 Key: LUCENE-5868
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5868
>             Project: Lucene - Core
>          Issue Type: New Feature
>            Reporter: Mikhail Khludnev
>            Assignee: Mikhail Khludnev
>            Priority: Minor
>             Fix For: 5.5
>
>         Attachments: LUCENE-5868-lambdarefactoring.patch, LUCENE-5868-lambdarefactoring.patch, LUCENE-5868.patch, LUCENE-5868.patch, LUCENE-5868.patch, LUCENE-5868.patch, qtj.diff
>
>
> while polishing SOLR-6234 I found that JoinUtil can't join int dv fields at least. 
> I plan to provide test/patch. It might be important, because Solr's join can do that. Please vote if you care! 



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