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Date: Sat, 12 Nov 2011 11:22:51 +0000 (UTC)
From: "Gunnlaugur Thor Briem (Updated) (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
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Subject: [jira] [Updated] (SOLR-1023) StatsComponent should support dates
 (and other non-numeric fields)
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     [ https://issues.apache.org/jira/browse/SOLR-1023?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gunnlaugur Thor Briem updated SOLR-1023:
----------------------------------------

    Attachment:     (was: SOLR-1023-against-branch_3x.svn.diff)
    
> StatsComponent should support dates (and other non-numeric fields)
> ------------------------------------------------------------------
>
>                 Key: SOLR-1023
>                 URL: https://issues.apache.org/jira/browse/SOLR-1023
>             Project: Solr
>          Issue Type: New Feature
>    Affects Versions: 1.4
>         Environment: Mac OS 10.5, java version "1.5.0_16"
>            Reporter: Peter Wolanin
>             Fix For: 3.5, 4.0
>
>         Attachments: SOLR-1023-against-branch_3x.svn.patch, SOLR-1023-against-lucene_3_4_0.patch, SOLR-1023.patch, SOLR-1023.patch, stats-component-path-nightly-2009-10-08.patch
>
>
> Currently, the StatsComponent only supports single-value numeric fields:
> http://wiki.apache.org/solr/StatsComponent
> trying to use it with a date field I get an exception like:  java.lang.NumberFormatException: For input string: "2009-01-27T20:04:04Z"
> trying to use it with a string I get an error 400  "Stats are valid for single valued numeric values."
> For constructing date facets it would be very useful to be able to get the minimum and maximum date from a DateField within a set of documents.  In general, it could be useful to get the minimum and maximum from any field type that can be compared, though that's of less importance.

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