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Posted to dev@lucene.apache.org by "Gunnlaugur Thor Briem (Updated) (JIRA)" <ji...@apache.org> on 2011/11/12 10:02:51 UTC
[jira] [Updated] (SOLR-1023) StatsComponent should support dates
(and other non-numeric fields)
[ https://issues.apache.org/jira/browse/SOLR-1023?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gunnlaugur Thor Briem updated SOLR-1023:
----------------------------------------
Attachment: SOLR-1023-against-trunk.svn.diff
That took a bit of conflict resolution (I was quite wrong about the above patch applying cleanly to trunk), but here it is.
> 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-lucene_3_4_0.patch, SOLR-1023-against-trunk.svn.diff, 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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