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From Joel Reed <joel.r...@visn.biz>
Subject Re: using reduce to get SQL distinct like results
Date Wed, 27 Aug 2008 01:22:55 GMT
Joel Reed wrote:
> Chris Anderson wrote:
>> I would avoid using a reduce at all in this case, and just request the
>> key-range corresponding to the particular user directly from the map.
>>   
> OK, but just to be clear, the data set I want to display would be 
> something like
>
> User 1 -- Dates: 11/02/2003, 12/02/2004, 1/02/2005
> User 2 -- Dates: 3/12/2004, 10/02/2005, 1/02/2006
> User 3 -- Dates: 4/12/2003, 6/02/2006, 1/02/2006
>
> etc...
>
> You wouldn't advise me to make multiple calls to the same view for 
> each user would you? Once to get list of all users, then once for 
> every user? I was thinking that maybe in this case I should be using a 
> reduce function. What would you advise?
Btw, I don't know erlang, but if I can help out by adding info to the 
wiki please let me know. Just some guidance on what is worthy of the 
wiki and where it should be best put would be helpful.

jr

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