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https://issues.apache.org/jira/browse/LUCENE-5790?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hoss Man updated LUCENE-5790:
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Summary: broken compareTo in MutableValueDouble and MutableValueBool -
affects grouping when exists==false (was: MutableValue compareTo impls seem to
be broken for exists==false)
update summary
> broken compareTo in MutableValueDouble and MutableValueBool - affects
> grouping when exists==false
> -------------------------------------------------------------------------------------------------
>
> Key: LUCENE-5790
> URL: https://issues.apache.org/jira/browse/LUCENE-5790
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Hoss Man
> Fix For: 5.0, 4.10
>
> Attachments: LUCENE-5790.patch, LUCENE-5790.patch, LUCENE-5790.patch,
> LUCENE-5790.patch
>
>
> On the solr-user mailing list, Ebisawa & Alex both commented that they've
> noticed bugs in the grouping code when some documents don't have values in
> the grouping field.
> In Ebisawa's case, he tracked this down to what appears to be some bugs in
> the logic of the "compareSameType" method of some of the MutableValue
> implementations.
> Thread:
> https://mail-archives.apache.org/mod_mbox/lucene-solr-user/201406.mbox/%3c84f86fce4b8f42268048aecfb2806...@sixpr04mb045.apcprd04.prod.outlook.com%3E
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