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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-5345) range facets don't work with float/double fields
Date Sun, 01 Dec 2013 12:24:38 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-5345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13836015#comment-13836015
] 

Michael McCandless commented on LUCENE-5345:
--------------------------------------------

On the LUCENE-5339 branch, I just made a change to split RangeFacetCounts into Long/DoubleRangeFacetCounts,
and I removed FloatRange (leaving only Long/Double).  When the app needs to count ranges against
a previously indexed FloatDocValuesField, it can use FloatFieldSource.  It seems to work well...
the new test passes.

> range facets don't work with float/double fields
> ------------------------------------------------
>
>                 Key: LUCENE-5345
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5345
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: modules/facet
>            Reporter: Michael McCandless
>             Fix For: 5.0, 4.7
>
>         Attachments: LUCENE-5345.patch
>
>
> With LUCENE-5297 we generalized range faceting to accept a ValueSource.
> But, when I tried to use this to facet by distance (< 1 km, < 2 km, etc.), it's
not working ... the problem is that the RangeAccumulator always uses .longVal and assumes
this was a double encoded as a long (via DoubleField).



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