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From "Gunnlaugur Thor Briem (Updated) (JIRA)" <>
Subject [jira] [Updated] (SOLR-1023) StatsComponent should support dates (and other non-numeric fields)
Date Tue, 15 Nov 2011 08:23:52 GMT


Gunnlaugur Thor Briem updated SOLR-1023:

    Attachment: SOLR-1023-against-branch_3x.svn.diff

Updated patch against branch_3x SVN, matching Ryan's trunk patch except for FieldType.toObject
usage and affiliated FieldType->SchemaField changes
> StatsComponent should support dates (and other non-numeric fields)
> ------------------------------------------------------------------
>                 Key: SOLR-1023
>                 URL:
>             Project: Solr
>          Issue Type: New Feature
>    Affects Versions: 1.4
>         Environment: Mac OS 10.5, java version "1.5.0_16"
>            Reporter: Peter Wolanin
>            Assignee: Ryan McKinley
>             Fix For: 3.5, 4.0
>         Attachments: SOLR-1023-against-branch_3x.svn.diff, SOLR-1023-against-branch_3x.svn.patch,
SOLR-1023-against-branch_3x.svn.patch, SOLR-1023-against-lucene_3_4_0.patch, SOLR-1023.patch,
SOLR-1023.patch, SOLR-1023.patch, SOLR-1023.patch, stats-component-path-nightly-2009-10-08.patch
> Currently, the StatsComponent only supports single-value numeric fields:
> 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

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