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From: Paul Davis <paul.joseph.davis@gmail.com>
Date: Sat, 18 Dec 2010 13:50:57 -0500
Message-ID: <AANLkTinJZHR2cWBAQF-t+FrPZGZhuMRWZgkLeTwof4cX@mail.gmail.com>
Subject: Re: how should I handle JSON parsing in update handler
To: user@couchdb.apache.org
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On Sat, Dec 18, 2010 at 1:48 PM, Josh803316 <josh803316@gmail.com> wrote:
> The reason I ask is because of this, I have an update function that updat=
es
> the 'status' key of a document.......but when I send the request (command
> line curl) I keep getting errors on the server return.
>
> curl -X PUT
> http://localhost:5984/workers/_design/tasc/_update/status/94472998f519050=
f3a2271888d137ed7\?field=3Dstatus\&value=3DRUNNING<http://localhost:5984/wo=
rkers/_design/tasc/_update/status/94472998f519050f3a2271888d137ed7%5C?field=
=3Dstatus%5C&value=3DRUNNING>
>
> {"error":"external_response_error","reason":"Invalid data from external
> server: {<<\"status\">>,<<\"RUNNING\">>}"}
>
> Here is my update function......do I need to JSON Encode the returned obj=
ect
> message?
> {
> =A0 "status": "function(doc, req) {
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0var field =3D req.query.field;
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0var value =3D req.query.value;
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0doc[field] =3D value;
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0return[doc,{"status":value}];
> =A0 =A0}",
> }

Pretty sure its supposed to be "return doc;"

>
>> On Sat, Dec 18, 2010 at 12:40 PM, Josh803316 <josh803316@gmail.com> wrot=
e:
>>
>>> Oops I forgot to ask how I encode as well, is it JSON.encode?
>>>
>>>
>>> On Mon, Dec 13, 2010 at 10:24 AM, Zachary Zolton <
>>> zachary.zolton@gmail.com> wrote:
>>>
>>>> You can use the global JSON object for this:
>>>>
>>>> function(doc, req) {
>>>> =A0 =A0 var active_test =3D JSON.parse(req.body);
>>>>
>>>> =A0 =A0 doc['active_test'] =3D active_test;
>>>> =A0 =A0 return [doc, req.body];
>>>> =A0 =A0}
>>>>
>>>> Cheers,
>>>> Zach
>>>>
>>>> On Sat, Dec 11, 2010 at 1:06 PM, Josh803316 <josh803316@gmail.com>
>>>> wrote:
>>>> > If I send a json string to my update handler as part of req.body wha=
t
>>>> is the
>>>> > best way to convert it to a JSON object?
>>>> >
>>>> > Do the CouchDb js libraries already include a built in JSON parser o=
r
>>>> do I
>>>> > have to use eval?
>>>> >
>>>> > "active_test" : function(doc, req) {
>>>> > =A0 =A0 =A0var active_test =3D eval('(' + req.body + ')');
>>>> >
>>>> > =A0 =A0 =A0doc['active_test'] =3D active_test;
>>>> > =A0 =A0 =A0return [doc, req.body];
>>>> > =A0 =A0 }
>>>> >
>>>>
>>>
>>>
>>
>