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From Otis Gospodnetic <>
Subject Re: Functions in search result
Date Tue, 04 Aug 2009 14:10:47 GMT

As far as I know, functions are executed on a per-document/field basis.  That is, I don't
think any of them aggregate numeric field values from a result set.

Sematext is hiring --
Lucene, Solr, Nutch, Katta, Hadoop, HBase, UIMA, NLP, NER, IR

----- Original Message ----
> From: Markus Jelsma - Buyways B.V. <>
> To:
> Sent: Tuesday, August 4, 2009 4:37:09 AM
> Subject: Functions in search result
> Solr people,
> Can i retrieve results from a function query? For instance, i have a
> schema in which all documents have a size in bytes field. For each
> query, i also need to sum of the bytes field for the returned documents.
> I know i can use SUM as part of a function query but i cannot figure it
> out if it even works for me.
> I prefer doing it with Solr and have the sum in the in the response
> header or somewhere similar instead of iterating over the entire
> resultset myself. Also, iterating over the resultset would not really
> work for me either since i also need paging through start= and rows= to
> limit the show documents but still keeping the sum of bytes the same.
> Regards,
> -  
> Markus Jelsma                  Buyways B.V.             Tel. 050-3118123
> Technisch Architect            Friesestraatweg 215c     Fax. 050-3118124
>          9743 AD Groningen        KvK  01074105

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