On Mon, Sep 28, 2009 at 11:34 AM, Zachary Zolton <[email protected]> wrote: > Guys, > > I've started a ticket for this: > https://issues.apache.org/jira/browse/COUCHDB-514 > > I don't know what level of effort would be required to fix this, or if > this is even compatible with the current view server protocol. I'm > motivated to solve this, but I'd need some coaching from someone with > more knowledge of CouchDB view server internals. >
I'm into getting this to happen too. I barely have time, but I can advise. It wouldn't hurt to post a patch of what you tried, even if it didn;t work, as it will let other know which code you are digging into. Chris > > Cheers, > > Zach > > > On Sun, Sep 27, 2009 at 11:35 PM, Chris Anderson <[email protected]> wrote: >> On Sun, Sep 27, 2009 at 8:26 PM, Zachary Zolton >> <[email protected]> wrote: >>> Hmm... I can't do anything that doesn't result in a view server timeout. >>> (^_-) >>> >>> Shall I open an issue? I can discuss what I tried, as well... >>> >> >> It never hurts to start a ticket. Especially if you have patches. >> >> Thinking about it more, it seems like the Erlang side is gonna be >> looking for that start signal before it will send a row. We'll need to >> design a dont-start signal, so that it can get a row without sending >> headers. >> >>> On Sun, Sep 27, 2009 at 12:06 PM, Paul Davis >>> <[email protected]> wrote: >>>> On Sun, Sep 27, 2009 at 1:04 PM, Zachary Zolton >>>> <[email protected]> wrote: >>>>> Hey guys, newb question for you: the make script concatenates all the >>>>> /share/server/*.js scripts into main.js, right? >>>>> >>>> >>>> yepper. >>>> >>>>> I'm still trying to figure this stuff out... >>>>> >>>>> On Sat, Sep 26, 2009 at 11:35 PM, Zachary Zolton >>>>> <[email protected]> wrote: >>>>>> 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 <[email protected]> >>>>>> wrote: >>>>>>> On Sat, Sep 26, 2009 at 8:57 PM, Paul Davis >>>>>>> <[email protected]> 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 >>>>>>>> <[email protected]> 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 <[email protected]> >>>>>>>>> Date: Fri, Sep 25, 2009 at 2:15 PM >>>>>>>>> Subject: Re: Redirect from _list function? >>>>>>>>> To: Zachary Zolton <[email protected]> >>>>>>>>> >>>>>>>>> >>>>>>>>> On Fri, Sep 25, 2009 at 11:01 AM, Zachary Zolton >>>>>>>>> <[email protected]> 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 <[email protected]> >>>>>>>>>> wrote: >>>>>>>>>>> On Fri, Sep 25, 2009 at 8:40 AM, Zachary Zolton >>>>>>>>>>> <[email protected]> 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 >>>>>>>>>>>> <[email protected]> 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 >>>>>>>>>>>>> <[email protected]> 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 >>>>>>> >>>>>> >>>>> >>>> >>> >> >> >> >> -- >> Chris Anderson >> http://jchrisa.net >> http://couch.io >> > -- Chris Anderson http://jchrisa.net http://couch.io
