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From: Jens Alfke <jens@couchbase.com>
To: "user@couchdb.apache.org" <user@couchdb.apache.org>
CC: "user@couchdb.apache.org" <user@couchdb.apache.org>
Date: Sun, 20 Nov 2011 10:00:24 -0800
Subject: Re: Erlang view question
Thread-Topic: Erlang view question
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I'm pretty sure that you need to return all strings as binary objects, as t=
hat's the way Erlang's JSON mapping tells the difference between arrays and=
 strings.

--Jens

On Nov 20, 2011, at 9:38 AM, "Luke Bredeson" <luke.bredeson@gmail.com> wrot=
e:

> Hi,
>=20
> I have an Erlang view that is outputting a list of integers instead of a
> string.  I know Erlang treats strings as lists of integers, but I thought
> CouchDB would take care of this for me.  I'm sure it's a basic error on m=
y
> part, so if anyone has any ideas of what I'm doing wrong, I'd appreciate
> it!  Here's the relevant map function:
>=20
>      fun({Doc}) ->
>        case couch_util:get_value(<<"type">>, Doc) of
>          <<"Crash">> ->
>            Accdate =3D couch_util:get_value(<<"accdate">>, Doc),
>            Year =3D string:substr(erlang:bitstring_to_list(Accdate), 7, 4=
),
>            Emit([couch_util:get_value(<<"city">>, Doc), Year], 1);
>          _ ->
>            ok
>        end
>      end.
>=20
> I get values like:  ["3425", [50, 48, 48, 56]], when I'm really looking f=
or
> values like this:  ["3425", "2008"].
>=20
> Thanks,
> Luke