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From Steven Bethard <beth...@stanford.edu>
Subject Re: Why is CustomScoreQuery limited to ValueSourceQuery type?
Date Tue, 21 Apr 2009 23:07:08 GMT
On 4/21/2009 10:09 AM, Doron Cohen wrote:
> It could, but (historically and) currently it doesn't... :)
> I actually have code for this.
> Would you like open a JIRA issue for this - I'll attach my wrapper there?

Done.

https://issues.apache.org/jira/browse/LUCENE-1608

Steve

> On Tue, Apr 21, 2009 at 7:58 PM, Steven Bethard <bethard@stanford.edu>wrote:
> 
>> On 4/21/2009 12:47 AM, Doron Cohen wrote:
>>> CustomScoreQuery expects the VSQs to have a score for document matching
>> the
>>> (main) subQuery - this does not hold for arbitrary queries.
>> Sure, but it could easily assign 0.0 scores for sub-queries that didn't
>> match, no?
>>
>> Steve
>>
>>> On Sat, Apr 18, 2009 at 2:35 AM, Steven Bethard <bethard@stanford.edu
>>> wrote:
>>>
>>>> CustomScoreQuery only allows the secondary queries to be of type
>>>> ValueSourceQuery instead of allowing them to be any type of Query. Why
>>>> is that? Is there something that makes it hard to implement for
>>>> arbitrary queries?
>>>>
>>>> Steve
>>>>
>>>> P.S. I played around with this briefly, and simply replacing all
>>>> ValueSourceQuery references with Query references yields only one simple
>>>> compile error, where ValueSourceQuery.createWeight() is being used
>>>> instead of Query.weight() for some reason.
>>>>
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>>
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>>
> 



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