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From "Martijn van Groningen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-2523) SolrJ QueryResponse doesn't support range facets
Date Sun, 12 Jun 2011 13:48:51 GMT

    [ https://issues.apache.org/jira/browse/SOLR-2523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13048316#comment-13048316
] 

Martijn van Groningen commented on SOLR-2523:
---------------------------------------------

Maybe I don't get something then. Let's take a look at the following example.
{code:xml}
     <lst name="facet_ranges">
      <lst name="manufacturedate_dt">
        <lst name="counts">
          <int name="2005-02-13T15:26:37Z">4</int>
          <int name="2006-02-13T15:26:37Z">7</int>
          <int name="2007-02-13T15:26:37Z">1</int>
        </lst>
        <str name="gap">+1YEAR</str>
        <date name="start">2005-02-13T15:26:37Z</date>
        <date name="end">2009-02-13T15:26:37Z</date>
      </lst>
    </lst>
{code}
For the first facet I need the following fq:
manufacturedate_dt:[2005-02-13T15:26:37Z TO 2006-02-13T15:26:37Z}
I can get this from parsing the date of the first facet and then the second one. This works
fine for this example. However this wouldn't work in all cases. For example when dealing with
last facet count or when not all facets are returned and the next facet is a few gaps ahead
(for example when facet.mincount=1). I think I do need to use the gap then, right?


> SolrJ QueryResponse doesn't support range facets
> ------------------------------------------------
>
>                 Key: SOLR-2523
>                 URL: https://issues.apache.org/jira/browse/SOLR-2523
>             Project: Solr
>          Issue Type: Improvement
>          Components: clients - java
>            Reporter: Martijn van Groningen
>            Assignee: Martijn van Groningen
>            Priority: Trivial
>             Fix For: 3.3, 4.0
>
>         Attachments: SOLR-2523.patch, SOLR-2523.patch
>
>
> It is possible to get date facets and pivot facets in SolrJ.
> {code:java}
> queryResponse.getFacetDate();
> queryResponse.getFacetPivot();
> {code}
> Having this also for range fields would be nice. Adding this is trivial. Maybe we should
deprecate date facet methods in QueryResponse class? Since it is superseded by range facets.
Also some set / add / remove methods for setting facet range parameters on the SolrQuery class
would be nice.

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