See "DuplicateFilter" in contrib.

http://markmail.org/message/lsvnpu7mwhht3a4p

Cheers
Mark



----- Original Message ----
From: Ganesh <[email protected]>
To: [email protected]
Sent: Wednesday, 2 September, 2009 12:38:35
Subject: Re: First result in the group

I have a field called category and all documents will have belong to some 
category( say some belong to X and some Y etc). The field values may change 
dynamically. I want the search results to be filterted to retrieve one document 
per category. 

This is similar to 'group by' feature in database.

Regards
Ganesh


----- Original Message ----- 
From: "Shai Erera" <[email protected]>
To: <[email protected]>
Sent: Wednesday, September 02, 2009 4:33 PM
Subject: Re: First result in the group


> What do you mean by "first result in the group"? What is a group?
> 
> On Wed, Sep 2, 2009 at 1:36 PM, Ganesh <[email protected]> wrote:
> 
>> Hello all,
>>
>> I want to retrieve the first result in the group. How to acheive this?
>> Currently i am parsing all the results, using a hash and avoiding duplicate
>> entries.
>>
>> Is there any better way?
>>
>> Regards
>> Ganesh
>> Send instant messages to your online friends http://in.messenger.yahoo.com
>>
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