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From Jason Rutherglen <jason.rutherg...@gmail.com>
Subject Re: Distributed search capability
Date Fri, 10 Jun 2011 16:04:07 GMT
> but if instead you just run the query against your subs (rewrite()ing
> etc locally), and you merge search results... then you shouldn't see
> these issues

Maybe we should bring back the 'merge results' part of multi searcher
without the query rewrite.

On Thu, Jun 9, 2011 at 6:43 PM, Robert Muir <rcmuir@gmail.com> wrote:
> See https://issues.apache.org/jira/browse/LUCENE-2756 for an example
> test case (this sort of thing was reported by users several times)
>
> in this example, the problem is how the queries are executed, the
> thing would rewrite against the individual subs, and then call
> Query.combine() to form a "super query", and then run this against all
> the subs.
>
> but if instead you just run the query against your subs (rewrite()ing
> etc locally), and you merge search results... then you shouldn't see
> these issues.
>
> On Thu, Jun 9, 2011 at 8:03 PM, Jason Rutherglen
> <jason.rutherglen@gmail.com> wrote:
>>> Yes, and rightfully so - it didn't handle properly some query types, so you
>>> would actually get wrong results.
>>
>> That's bad!
>>
>>> "roll your own (and contribute it back!)" if you are more advanced ;)
>>
>> Wouldn't "roll your own" basically mean resurrecting the previous
>> implementation of MultiSearcher?  Ie, what would be different?
>>
>> On Thu, Jun 9, 2011 at 4:07 PM, Andrzej Bialecki <ab@getopt.org> wrote:
>>> On 6/10/11 12:10 AM, Jason Rutherglen wrote:
>>>>
>>>> Right, if that's not around, one needs to use multi searcher, that's
>>>> gone too?
>>>
>>> Yes, and rightfully so - it didn't handle properly some query types, so you
>>> would actually get wrong results.
>>>
>>> For now the answer is "use Solr" if you are less advanced, or "roll your own
>>> (and contribute it back!)" if you are more advanced ;)
>>>
>>> --
>>> Best regards,
>>> Andrzej Bialecki     <><
>>>  ___. ___ ___ ___ _ _   __________________________________
>>> [__ || __|__/|__||\/|  Information Retrieval, Semantic Web
>>> ___|||__||  \|  ||  |  Embedded Unix, System Integration
>>> http://www.sigram.com  Contact: info at sigram dot com
>>>
>>>
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>>>
>>
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>>
>
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