On Thu, Dec 11, 2008 at 2:54 PM, Shalin Shekhar Mangar
<shalinman...@gmail.com> wrote:
> On Thu, Dec 11, 2008 at 11:54 PM, Yonik Seeley <yo...@apache.org> wrote:
>
>>
>> Option #3: tag parts of a request using "local params"
>> q=foo&fq=date:[1 TO 2]&fq=securityfilter:42&fq={!tag=type}type:(pdf OR
>> html)&facet.field=type
>> &facet.field={!exclude=type}author
>>
>> So here, one fq is tagged with "type" {!tag=type}
>> and then excluded when faceting on author.
>> Upsides:
>> - don't necessarily need to repeat and re-parse params since they
>> are referenced by name/tag.
>> - tagging is a generic mechanism that can be used for other functionality.
>>
>> Thoughts?
>
>
> I like this idea. A few questions:
>
> The tag is only used for the current request, right?
Right.
> How will this look when we want to exclude more than one filter? Will it be
> like fq={!exclude=filter1,filter2} ?
Yeah, exactly what I was thinking.
> Is this local param a syntax we are inventing or is it something which
> already exists?
Already exists, and is utilized in the QParser framework:
http://lucene.apache.org/solr/api/org/apache/solr/search/DisMaxQParserPlugin.html
-Yonik
