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From "Hoss Man (JIRA)" <>
Subject [jira] Commented: (SOLR-2251) Facet "key" not used when setting mincount, etc on individual facets
Date Tue, 23 Nov 2010 23:22:13 GMT


Hoss Man commented on SOLR-2251:

just to clarify: the "key" local param was original added to support multiselect faceting
with alternate exclusions -- that's why the only documentation about it is in the [Multi-Select
faceting docs|]
and nothing in those docs suggest that specifying a key will cause it to use that key when
looking or param names.

that said: i agree that i would be good if facet params work the way you describe

if a user specifies {{facet.field={!key=alt_name}orig_name}} then the order of precedence
for options like facet.mincount should be...

* f.alt_name.facet.mincount
* f.orig_name.facet.mincount
* facet.mincount

...ditto for facet.query, facet.range, and

> Facet "key" not used when setting mincount, etc on individual facets
> --------------------------------------------------------------------
>                 Key: SOLR-2251
>                 URL:
>             Project: Solr
>          Issue Type: Improvement
>          Components: search
>    Affects Versions: 1.4.1
>            Reporter: Tim
>            Priority: Minor
> The "key" parameter that is used for aliasing output is very helpful in simplifying the
readability of complex facets.  However it doesn't seem that this same alias can be used when
configuring facets of individual fields.  The following example that does not use the key
parameter works fine under 1.4.1:
> rows=0&q=*:*+NOT+customers.blocked:1&facet=true&f.customers_name.facet.mincount=2&facet.field=customers_name
> <lst name="customers_name">
>   <int name="jone">2</int>
> </lst>
> The example below also works and does use the key parameter, however note that we're
still using the original field name when referring to f.customers_name.facet.mincount:
> rows=0&q=*:*+NOT+customers.blocked:1&facet=true&f.customers_name.facet.mincount=2&facet.field={!key=alt_name}customers_name
> <lst name="customers_name">
>   <int name="jone">2</int>
> </lst>
> The final example below does not work.  It uses the alias established by the key parameter
to configure the mincount setting for the customers_name field.
> rows=0&q=*:*+NOT+customers.blocked:1&facet=true&f.alt_name.facet.mincount=2&facet.field={!key=alt_name}customers_name
> <lst name="alt_name">
>   <int name="jone">2</int>
>   <int name="tim">1</int>
>   <int name="sami">0</int>
> </lst>
> This is a trivial example.  The behavior becomes much more important when talking about
facet queries.

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