On Jul 3, 2008, at 2:34 PM, Jan Lehnardt wrote:


On Jul 3, 2008, at 20:17, Jan Lehnardt wrote:


On Jul 3, 2008, at 20:07, Paul Bonser wrote:

On Thu, Jul 3, 2008 at 8:01 AM, Bradford Winfrey <[EMAIL PROTECTED] > wrote:

We would get back each one of our tags as a key, yea? Only if we supplied one at a time. So how does one go about supplying a range, array (not sure what we'd call it here) of keys to be searched on? http://...?key=["octopus","hockey";] maybe? I'm unsure of the plan of attack for such a thing. Maybe I'm just going about it in the wrong direction. Any thoughts?

Hey everyone. I've pretty much just been watching the mailing list here myself.

This is the second time somebody has asked about this since I've
started watching this mailing list. I could see it being a valuable
feature.

Would it be valuable to add the ability to query a view with multiple keys, getting the results for each of those keys back? Something like
http://...?key_list=["octopus","hockey";]

If I were interested in investigating how hard it would be to add that
feature, where would I start looking in the code?

This simply doesn't fit the way views work. They are single indexes that you can use for single-key or or key-range lookups. if you need random access
you'd basically need to query the view as many times as you have keys
to search. No matter if you do that in front or behind the API.

Hey you smart-ass, on the one hand you are trying to recruit new
developers and on the other hand you discourage people from adding
useful features. Make up your mind man!

Paul, if you come up with a nice solution, we'd be happy to look at
integrating it. Please give it a try. To investigate the code it is probably
best to start at src/couchdb/couch_http.erl as it defines the HTTP API
and handles the requests you already know and just drill down from
there.

:)

The view indexes can indeed do multiple lookups at once. The only thing is I don't think a GET with all the keys are URL args is the way to go as it can get really long and cause problems with proxies and HTTP libs, a POST with the lookup keys as the body is probably better.




Cheers
Jan
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