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From Yago Riveiro <yago.rive...@gmail.com>
Subject Re: Facet by truncated date
Date Thu, 31 Mar 2016 09:14:20 GMT
If you want aggregate the dat by the truncated date, I think the only way to
do it is using other field with the truncated date.

  

You can use a update request processor to calculate the truncated data
(https://wiki.apache.org/solr/UpdateRequestProcessor) or add the field in
indexing time.

  

date:"2016-03-31T12:00:0Z"

truncated_date_s:'2016-03-31' or truncated_date_i:20160331 (this should be
more memory efficient)

\--

  

/Yago Riveiro

  

![](https://link.nylas.com/open/m7fkqw0yim04itb62itnp7r9/4708d221e9a24b519bab6
3936013ce59)

On Mar 31 2016, at 10:08 am, Emir Arnautovic
&lt;emir.arnautovic@sematext.com&gt; wrote:  

> Hi Robert,  
You can use range faceting and set use facet.range.gap to set how dates  
are "truncated".

>

> Regards,  
Emir

>

> On 31.03.2016 10:52, Robert Brown wrote:  
&gt; Hi,  
&gt;  
&gt; Is it possible to facet by a date (solr.TrieDateField) but truncated  
&gt; to the day, or even the hour?  
&gt;  
&gt; If not, are there any other options apart from storing that truncated  
&gt; data in another (string?) field?  
&gt;  
&gt; Thanks,  
&gt; Rob  
&gt;  
&gt;

>

> \--  
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