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https://issues.apache.org/jira/browse/SOLR-9687?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tomás Fernández Löbbe resolved SOLR-9687.
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Resolution: Fixed
Resolving. Thanks Andy! The patch should apply cleanly to 5.3 if you need that
> Values not assigned to all valid Interval Facet intervals in some cases
> -----------------------------------------------------------------------
>
> Key: SOLR-9687
> URL: https://issues.apache.org/jira/browse/SOLR-9687
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: faceting
> Affects Versions: 5.3.1
> Reporter: Andy Chillrud
> Assignee: Tomás Fernández Löbbe
> Fix For: 6.3, master (7.0)
>
> Attachments: SOLR-9687.patch
>
>
> Using the interval facet definitions:
> * \{!key=Positive}(0,*]
> * \{!key=Zero}\[0,0]
> * \{!key=Negative}(*,0)
> A document with the value "0" in the numeric field the intervals are being
> applied to is not counted in the Zero interval. If I change the order of the
> definitions to , Negative, Zero, Positive the "0" value is correctly counted
> in the Zero interval.
> Tracing into the 5.3.1 code the problem is in the
> org.apache.solr.request.IntervalFacets class. When the getSortedIntervals()
> method sorts the interval definitions for a field by their starting value is
> doesn't take into account the startOpen property. When two intervals have
> equal start values it needs to sort intervals where startOpen == false before
> intervals where startOpen == true.
> In the accumIntervalWithValue() method it checks which intervals each
> document value should be considered a match for. It iterates through the
> sorted intervals and stops checking subsequent intervals when
> LOWER_THAN_START result is returned. If the Positive interval is sorted
> before the Zero interval it never checks a zero value against the Zero
> interval.
> I compared the 5.3.1 version of the IntervalFacets class against the 6.2.1
> code, and it looks like the same issue will occur in 6.2.1.
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