Venki,
>From what I gather you're trying to specify arguments directly as objects in
>the function's argument list? You reference the arg that's passed into the
>MapReduce request by declaring a third parameter variable, not by specifying
>an object: function(value, keydata, arg) {doSomethingWith(arg)}. Then you can
>reference the argument by way of that parameter.
Cheers, Mathias
http://riakhandbook.com
On Friday, 6. July 2012 at 08:40, Venki Yedidha wrote:
> Thanks again,
> I changed args to arg.
> To keep it simple, I just want to use that arg parameter value
> {"gender":"G0,G1","
> agegroups":"A0,A2","metrics":"users,cpc_median","groupby":"country"} inside
> my javascript function.
>
> If I try to assign it to a variable like:
>
> var k = arg;
>
> It is giving undefined variable arg.
>
> On the other hand,
> If I am trying to access this variable passing as a third parameter to
> function(v,k,{"",""})
> It is also giving me error.
>
> Please help me on the above.
>
> Thanks,
> Venkatesh
>
>
> On Thu, Jul 5, 2012 at 9:07 PM, Mathias Meyer (mailto:me...@paperplanes.de)> wrote:
> > Venki,
> >
> > The parameter name is arg not args. Also, you were talking about some sort
> > of error you're getting, but I couldn't see one in the listing below.
> >
> > Cheers, Mathias
> > http://riakhandbook.com
> >
> >
> >
> >
> >
> > On Thursday, 5. July 2012 at 16:29, Venki Yedidha wrote:
> >
> > > Thanks,
> > > I tried the format you sent me earlier but when I tried to access the
> > > args parameter inside the function, it is showing me the error:
> > >
> > > {"inputs":['.$k.'],"query":[{"map":{"language":"javascript","source":"function(value,keydata,"arguments"){
> > > var data = Riak.mapValuesJson(value)[0];
> > > var obj = {};
> > > obj[value.key] = {};
> > > for(var i=1;i<3;i++)
> > > {
> > > var gender = \"G\"+ i;
> > > obj[value.key][gender] = {};
> > > for(var j=1;j<=6;j++)
> > > {
> > > var agegroup = \"A\" + j;
> > > obj[value.key][gender][agegroup] = {};
> > > obj[value.key][gender][agegroup][\"cpc_median\"] =
> > > data[gender][j][agegroup][\"bid_estimations\"][0][\"cpc_median\"];
> > > obj[value.key][gender][agegroup][\"users\"] =
> > > data[gender][j][agegroup][\"users\"];
> > >
> > > }
> > > }
> > > return [obj];
> > > }","args":{"gender":"G0,G1","agegroups":"A0,A2","metrics":"users,cpc_median","groupby":"country"},"keep":true}}]}';
> > >
> > > Please help me on the above.
> > >
> > > To clarify my requirement, I would like to access the args parameter
> > > (before keep parameter) inside javascript function and if possible I
> > > would also like to know the flow that what is the need for args param
> > > after js function.
> > >
> > > Thanks,
> > > Venkatesh.Y
> > >
> > > On Wed, Jul 4, 2012 at 2:11 PM, Mathias Meyer > > (mailto:me...@paperplanes.de) (mailto:me...@paperplanes.de)> wrote:
> > > > Venki,
> > > >
> > > > You don't have to serialize the argument as a JSON string, it can
> > > > simply be specified as a normal JSON data structure, just like the
> > > > other data in the MapReduce request:
> > > >
> > > > curl -v -d '{"inputs":[["artists", "Beatles"]],
> > > > "query":[{"map":{"language":"javascript","source":"function(v, k, a)
> > > > {return [a];}","arg":{"paul": true}}}]}' -H "Content-Type:
> > > > application/json" http://127.0.0.1:8098/mapred
> > > >
> > > > Cheers, Mathias
> > > > http://riakhandbook.com
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > On Wednesday, 4. July 2012 at 07:26, Venki Yedidha wrote:
> > > >
> > > > > Hi all,
> > > > > I don't know why, I can't pass a json argument to map function.
> > > > >
> > > > >
> > > > > "inputs":"[b1,k1],[b2,k2],[b3,k3]"
> > > > > "query":[{map":{"language":"javascript","source":"function(value,keydata,args){}"
> > > > >
> > > > > for the args parameter I need to pass json of the form:
> > > > > {\"name\":\"venkatesh\",\"age\":24}
> > > > > (escaped " for json)
> > > > > but it showing missing variable name..
> > > > > On the other, If I am passing an array, it is not showing the error...
> > > > > Please help me on the above.
> > > > >
> > > > > Thanks,
> > > > > Venkatesh
> > > > > ___
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> > > > > riak-users@lists.basho.com (mailto:riak-users@lists.basho.com)
> > > > > (mailto:riak-users@lists.basho.com)
> > > > > (mailto:riak-users@lists.basho.com)
> > > > > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
> > > >
> > >
> >
>
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