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From Chris Hostetter <hossman_luc...@fucit.org>
Subject Re: Division in JSON Facet
Date Fri, 17 Feb 2017 22:24:27 GMT

I'm sorry I didn't see your original question last month, but as you've 
since realized you can't use functions like "div" in this way.

The syntax for getting "stats" in the JSON Faceting API doesn't really 
make this clear, but the outermost function call you make must be 
somethign that can "aggregate" values across many documents -- a function 
like "div(x, y)" just operates on a per document basis returning the 
result of dividing those two fields (or the results of those two nested 
functions)

I created SOLR-10157 to note that the error messages are definitely 
confusing.

Thank you for following up to let us know how you resolved your issue -- 
it definitely helps us find places the API/error messages are confusing to 
users.


: Date: Tue, 14 Feb 2017 14:04:10 +0800
: From: Zheng Lin Edwin Yeo <edwinyeozl@gmail.com>
: Reply-To: solr-user@lucene.apache.org
: To: solr-user@lucene.apache.org
: Subject: Re: Division in JSON Facet
: 
: I found that we can't put div(4,2) directly, as it wouldn't work.
: 
: It will work if I put something like max(div(4,2)).
: 
: Regards,
: Edwin
: 
: 
: On 10 January 2017 at 19:59, Zheng Lin Edwin Yeo <edwinyeozl@gmail.com>
: wrote:
: 
: > Hi,
: >
: > I'm getting this error when I tried to do a division in JSON Facet.
: >
: >   "error":{
: >     "msg":"org.apache.solr.search.SyntaxError: Unknown aggregation agg_div in ('div(4,2)',
pos=4)",
: >     "code":400}}
: >
: >
: > Is this division function supported in JSON Facet?
: >
: > I'm using this in Solr 5.4.0
: >
: > Regards,
: > Edwin
: >
: 

-Hoss
http://www.lucidworks.com/

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