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From Shawn Heisey <>
Subject Re: Solr date "NOW" - format?
Date Wed, 18 Aug 2010 02:36:17 GMT
  Would I do separate bq values for each of the ranges, or is there a 
way to include them all at once?  If it's the latter, I'll need a full 
example with a field name, because I'm clueless. :)

On 8/17/2010 2:29 PM, Lance Norskog wrote:
> I think 'bq=' is what you want. In dismax the main query string is
> assumed to go against a bunch of fields. This query is in the standard
> (Lucene++) format. The query strings should handle the ^number syntax.
> On Tue, Aug 17, 2010 at 9:40 AM, Shawn Heisey<>  wrote:
>>   On 4/9/2010 7:35 PM, Lance Norskog wrote:
>>> Function queries are notoriously slow. Another way to boost by year is
>>> with range queries:
>>> [NOW-6MONTHS TO NOW]^5.0 ,
>>> [* TO NOW-2YEARS]^1.0
>>> Notice that you get to have a non-linear curve when you select the
>>> ranges by hand.
>> Lance, I have worked out my major issue and now have my post date in Solr as
>> a tdate field named "pd."  I cannot however figure out how to actually send
>> a query with a date boost like you've mentioned above.  I'd like to embed it
>> right into the dismax handler definition, but it would be good to also know
>> how to send it in a query myself.  Can you help?
>> Are the boosts indicated above a multiplier, or an addition?

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