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Date: Mon, 24 Oct 2011 10:09:03 +0200
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 <CA+w3y1jtjZhSkAM5uCdTHSeMrJQW=XF4OgJPi4_Os8yA3BEK6Q@mail.gmail.com>
Subject: Re: Inlining Linked Document Data
From: Alexander Gabriel <alex@barbalex.ch>
To: user@couchdb.apache.org
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this feature would be extremely useful
Alex

2011/10/24, Jamie Talbot <jamie@jamietalbot.com>:
> Hi,
>
> With reference to linked documents, is there any support for the idea
> of linked document data being inlined into an emitted {_id: XXX}
> block, perhaps with a new query parameter such as 'follow_links=true',
> rather than being appended when called with 'include_docs=true'?
>
> I know this represents a substantial departure from how things work
> now, but it would offer two significant benefits that I can see:
>
> 1)  The ability to follow multiple linked docs from a single document
> in a single request.  Let's say for a blog post:
>
> function (doc) {
> 	emit(doc.timestamp, [{_id: doc.category_id}, {_id: doc.user_id}]);
> }
>
> called with follow_links=true which would return for example:
>
> {
> 	"key": 'POST010',
> 	"value": [{
> 		'_id': 'CAT001',
> 		'name': 'First Category'
> 	}, {
> 	'_id': 'USER004',
> 	'name': 'Monkey Magic',
> 	'dob': '1981-02-06'
> 	}]
> }
>
> 2) You could combine it with include_docs=true, and be able to
> retrieve the source document at the same time.  At the moment when
> using this, if I want data from the source and the linked doc, I can
> only retrieve one or the other with include_docs, which either forces
> me to emit more data from the source, increasing the size of the view,
> or else avoid using the link and make multiple requests.
>
> While currently useful for hierarchies, I find the linked docs feature
> a little limiting when I want to use it for any other purpose.
>
> Thoughts?
>
> Are there any existing ways to achieve the above?
>
> Cheers,
>
> Jamie
>
> ---
> http://jamietalbot.com
>


-- 


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Alexander Gabriel
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alex@barbalex.ch
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