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From Steven A Rowe <sar...@syr.edu>
Subject RE: Sorting by insertion time
Date Thu, 08 Oct 2009 22:14:10 GMT
Hi Tarjei,

See https://issues.apache.org/jira/browse/SOLR-1478 - with trunk Solr (and soon, 1.4), you
can use pseudo-field _docid_ for this purpose.

Steve

> -----Original Message-----
> From: tarjei [mailto:tarjei@nu.no]
> Sent: Thursday, October 08, 2009 2:18 AM
> To: solr-user@lucene.apache.org
> Subject: Sorting by insertion time
> 
> Hi,
> 
> Quite often I want a set of documents ordered by the time they were
> inserted, i.e. "give me the 5 latest items that matches query foo". I
> usually solve this by sorting on a date field.
> 
> I had a chat with Eric Hatcher when he visited Javazone 2009 and he
> said
> that Solr places documents on disk in insertion order.
> 
> This would make it possible for me to save a sorting step by not
> sorting
> by a specific field, but by insertion time in reverse.
> 
> AFAIK Lucene knows how to do this, but which request parameters should
> I
> use in Solr?
> 
> Kind regards,
> Tarjei
> 
> 
> --
> Tarjei Huse
> Mobil: 920 63 413
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