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