[jira] Commented: (SOLR-1023) StatsComponent should support dates (and other non-numeric fields)

["Peter Wolanin (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-1023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12773949#action_12773949 ] 

Peter Wolanin commented on SOLR-1023:
-------------------------------------

Thanks Mark - I'm  disappointed that this didn't get into 1.4, but will try the patch.

> 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: 1.5
>
>         Attachments: 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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