Hi all,
I've been doing the thing get the map phase work in query.map() in
python-riak client.
I have written a function in erlang.
funs(Obj,_,_) -> [riak_object:get_value(Obj)].
I have saved it in a file called *maps.erl*
I have compiled the *maps.erl* to get the *maps.beam *file to give the path
of the beam files under tha
*app.config.*
I have given path like as metnioned in the riak documents.
Now i want to get the values out from the map phase udner the python-riak
client by sending erlang module and map function to the query.map() phase.I
have given like :
*query.map(['maps','funs'])*
*query.run() *is giving me error like below, please tell me where i have
done or what is the correct to way to implement it.
Traceback (most recent call last):
File "<input>", line 1, in <module>
File
"/usr/lib/python2.6/site-packages/riak-1.5.2-py2.6.egg/riak/mapreduce.py",
line 234, in run
result = t.mapred(self._inputs, query, timeout)
File
"/usr/lib/python2.6/site-packages/riak-1.5.2-py2.6.egg/riak/transports/http.py",
line 322, in mapred
(repr(response[0]), repr(response[1])))
Exception: Error running MapReduce operation. Headers: {'date': 'Mon, 26
May 2014 11:24:04 GMT', 'content-length': '1121', 'content-type':
'application/json'
, 'http_code': 500, 'server': 'MochiWeb/1.1 WebMachine/1.10.0 (never breaks
eye contact)'} Body:
'{"phase":0,"error":"undef","input":"{ok,{r_object,<<\\"tst\
\">>,<<\\"test5\\">>,[{r_content,{dict,3,16,16,8,80,48,{[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]},{{[],[],[],[],[],[],[],[],[],[],[[<<\\"X-Riak-VTag\\
">>,50,53,75,69,55,80,113,109,65,69,117,106,109,109,99,65,72,101,75,82,115,86]],[[<<\\"index\\">>]],[],[[<<\\"X-Riak-Last-Modified\\">>|{1400,340359,663135}]
],[],[]}}},<<\\"6\\">>}],[{<<197,82,177,11,83,115,139,10>>,{1,63567559559}}],{dict,1,16,16,8,80,48,{[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]},{{[],[],
[],[],[],[],[],[],[],[],[],...}}},...},...}","type":"error","stack":"[{maps,funs,[{r_object,<<\\"tst\\">>,<<\\"test5\\">>,[{r_content,{dict,3,16,16,8,80,48,{
[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]},{{[],[],[],[],[],[],[],[],[],[],[[<<\\"X-Riak-VTag\\">>,50,53,75,69,55,80,113,109,65,69,117,106,109,109,99,6
5,72,101,75,82,115,86]],[[<<\\"index\\">>]],[],[[<<\\"X-Riak-Last-Modified\\">>|{1400,340359,663135}]],[],[]}}},<<\\"6\\">>}],[{<<197,82,177,11,83,115,139,10
>>,{1,63567559559}}],{dict,1,16,16,8,80,48,{[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]},{{[],[],[],[],[],[],[],...}}},...},...],...},...]"}'
--
Thanks & Regards,
J.Gopi Krishna
+91-8341452934,
www.lintelindia.com
Lintel Technologies Pvt. LTD,Hyderabad.
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