Great!
Currently there are only three built-in funs (which I documented here: http://wiki.apache.org/couchdb/Built-In_Reduce_Functions
).
If raw performance is important for you, you could also consider using native erlang views
(instead of using javascript).
On 11.05.2010, at 11:16, Manokaran K wrote:
> On Tue, May 11, 2010 at 1:40 PM, Sebastian Cohnen <
> sebastiancohnen@googlemail.com> wrote:
>
>> _sum
>>
>> instead of
>>
>>> function(keys, values, rereduce){
>>> return sum(values);
>>> }
>>
>> I think the wiki is missing some information on build-in reduce functions.
>> I'll add this today.
>>
>>
> Thanks a ton :-)
>
> The improvement was dramatic. What took close to 3 hours took just 20 mins
> using _sum!!
>
> Waiting to see what other tricks are available.
>
> regds
> mano
|