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https://issues.apache.org/jira/browse/SOLR-1023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13149813#comment-13149813
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Ryan McKinley commented on SOLR-1023:
-------------------------------------
hymm -- just realized that the BytesRef improvements will not work in 3x
because SchemaField does not expose toObject()
I'd like to commit to trunk with the BytesRef improvement, then apply the
Strings version to 3.x -- this would not be a normal merge though, so i don't
know what people think about that...
> 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
> Assignee: Ryan McKinley
> 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,
> 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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