[jira] [Created] (LUCENE-4965) Add dynamic numeric range faceting

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[jira] [Created] (LUCENE-4965) Add dynamic numeric range faceting

Sebastian Nagel (Jira)
Michael McCandless created LUCENE-4965:
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             Summary: Add dynamic numeric range faceting
                 Key: LUCENE-4965
                 URL: https://issues.apache.org/jira/browse/LUCENE-4965
             Project: Lucene - Core
          Issue Type: Improvement
          Components: modules/facet
            Reporter: Michael McCandless
            Assignee: Michael McCandless
             Fix For: 5.0, 4.4


The facet module today requires the app to compute the hierarchy
at index time, eg a timestamp field might use a year/month/day
hierarchy.

While this gives great performance, since it minimizes the search-time
computation, sometimes it's unfortunately useful/necessary to do things entirely at
search time, like Solr does.

E.g. I'm playing with a prototype Lucene search for Jira issues
and I'd like to add a drill down+sideways for "Updated in past day,
2 days, week, month" etc.  But because time is constantly advancing,
doing this at index time is a not easy ...


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