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From Zachary Zolton <zachary.zol...@gmail.com>
Subject Re: Redirect from _list function?
Date Sun, 27 Sep 2009 04:35:14 GMT
I'll start studying the query_server_spec.rb script; I think I might
be able to handle this in JavaScript...

On Sat, Sep 26, 2009 at 11:22 PM, Chris Anderson <jchris@apache.org> wrote:
> On Sat, Sep 26, 2009 at 8:57 PM, Paul Davis <paul.joseph.davis@gmail.com> wrote:
>> its been awhile since i studied the Erlang side of this, but IIRC,
>> once getRow() returns, the response has started which means that you
>> can't send a redirect. To get it working proper then would require a
>> bit of a patch to wait on starting the response until the first output
>> from the _list function.
>>
>
> Yes I think it would be a simple patch, once you understand the
> entrails of the _list system. You should read the query_server_spec.rb
> to see what gets sent by the query server on first getRow() call.
>
> It may be that this patch can be accomplished just in the javascript side.
>
> Chris
>
>> Paul Davis
>>
>> On Sat, Sep 26, 2009 at 11:39 PM, Zachary Zolton
>> <zachary.zolton@gmail.com> wrote:
>>> Hey guys,
>>>
>>> I need to find a way to do a redirect from a _list function after
>>> calling the getRow() function. After looking at render.js for a while
>>> I can't see how to solve this without at least adding to the API.
>>>
>>> Basically, I think that calling getRow() shouldn't cause the view
>>> server to send the headers (or awaiting chunks) unless we've already
>>> called send() or something like that. That way, we can return from the
>>> _list function after iterating to the first row that should redirect.
>>> (I'm not sure if this is a breaking change from the current semantics,
>>> however...)
>>>
>>> Would greatly appreciate a little guidance on how to attack this!
>>>
>>>
>>> Cheers,
>>>
>>> Zach
>>>
>>>
>>> ---------- Forwarded message ----------
>>> From: Chris Anderson <jchris@apache.org>
>>> Date: Fri, Sep 25, 2009 at 2:15 PM
>>> Subject: Re: Redirect from _list function?
>>> To: Zachary Zolton <zachary.zolton@gmail.com>
>>>
>>>
>>> On Fri, Sep 25, 2009 at 11:01 AM, Zachary Zolton
>>> <zachary.zolton@gmail.com> wrote:
>>>> So, now I find that using the send() function to perform the redirect
>>>> doesn't work after the first time I call getRow(). Upon checking out
>>>> render.js, I see that the getRow() function calls sendStart()—which I
>>>> haven't quite yet figured out—but I can tell there's something fishy
>>>> going on there...
>>>>
>>>> Would I be correct to assume that the headers are already set after
>>>> calling getRow()?
>>>
>>> Yes... The headers are sent when the first getRow is called. Fixing
>>> this is definitely something I'd support.
>>>
>>>>
>>>> On Fri, Sep 25, 2009 at 12:11 PM, Chris Anderson <jchris@apache.org>
wrote:
>>>>> On Fri, Sep 25, 2009 at 8:40 AM, Zachary Zolton
>>>>> <zachary.zolton@gmail.com> wrote:
>>>>>> Okay, I've update this section to differentiate between the 0.9 and
>>>>>> 0.10 _list API:
>>>>>>
>>>>>> http://wiki.apache.org/couchdb/Formatting_with_Show_and_List#Sending_a_Redirect
>>>>>>
>>>>>> Now, I'm feeling that the Other Fun Things section could use a bit
of
>>>>>> love. Hmm...  :^)
>>>>>
>>>>> Thanks for keeping the wiki in mind!
>>>>>
>>>>>>
>>>>>> On Fri, Sep 25, 2009 at 10:19 AM, Zachary Zolton
>>>>>> <zachary.zolton@gmail.com> wrote:
>>>>>>> Sweet! I'll try to amend the wiki page for the _list API...
>>>>>>>
>>>>>>> On Fri, Sep 25, 2009 at 10:17 AM, Jason Davies <jason@jasondavies.com>
wrote:
>>>>>>>> On 25 Sep 2009, at 16:16, Zachary Zolton wrote:
>>>>>>>>
>>>>>>>>> Thanks for all the help, guys! Shall I delete that JIRA
issue?
>>>>>>>>
>>>>>>>>
>>>>>>>> I already did :-)
>>>>>>>>
>>>>>>>> --
>>>>>>>> Jason Davies
>>>>>>>>
>>>>>>>> www.jasondavies.com
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Chris Anderson
>>>>> http://jchrisa.net
>>>>> http://couch.io
>>>>>
>>>>
>>>
>>>
>>>
>>> --
>>> Chris Anderson
>>> http://jchrisa.net
>>> http://couch.io
>>>
>>
>
>
>
> --
> Chris Anderson
> http://jchrisa.net
> http://couch.io
>

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