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From Joel Bernstein <joels...@gmail.com>
Subject Re: Expand Component Fields Response
Date Tue, 17 Nov 2015 22:37:08 GMT
Hi Marshall,

This sounds pretty reasonable. I should have some to review the patch later
in the week.

Joel Bernstein
http://joelsolr.blogspot.com/

On Tue, Nov 17, 2015 at 3:42 PM, Sanders, Marshall (AT - Atlanta) <
Marshall.Sanders@autotrader.com> wrote:

> Well I didn't receive any responses and couldn't find any resources so I
> created a patch and a corresponding JIRA to allow the ExpandComponent to
> use the TotalHitCountCollector which will only return the total hit count
> when expand.rows=0 which more accurately reflected my use case.  (We don't
> care about the expanded document itself, just the number available so that
> we can show something like "52 more like this")
>
> https://issues.apache.org/jira/browse/SOLR-8306
>
> I'm not sure if this is the right forum for something like this, or how to
> get feedback on the patch.  If someone more knowledgeable could help me out
> in that area it would be excellent.  Thanks!
>
> Marshall Sanders
> Technical Lead - Software Engineer
> Autotrader.com
> 404-568-7130
>
> -----Original Message-----
> From: Sanders, Marshall (AT - Atlanta) [mailto:
> Marshall.Sanders@autotrader.com]
> Sent: Monday, November 16, 2015 11:00 AM
> To: solr-user@lucene.apache.org
> Subject: Expand Component Fields Response
>
> Is it possible to specify a separate set of fields to return from the
> expand component which is different from the standard fl parameter?
> Something like this:
>
> fl=fielda&expand.fl=fieldb
>
> Our current use case means we actually only care about the numFound from
> the expand component and not any of the actual fields.  We could also use a
> facet for the field we're collapsing on, but this means mapping from the
> field we collapsed on to the different facets and isn't very elegant, and
> we also have to ask for a large facet.limit to make sure that we get the
> appropriate counts back.  This is pretty poor for high cardinality fields.
> The alternative is the current where we ask for the expand component and
> get TONS of information back that we don't care about.
>
> Thanks for any help!
>
> Marshall Sanders
> Technical Lead - Software Engineer
> Autotrader.com
> 404-568-7130
>
>

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