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From "Geir Magnusson Jr." <g...@pobox.com>
Subject Re: newbie question #1
Date Mon, 29 Dec 2008 03:55:49 GMT
No, and I'll claim it's my fault, as I haven't finished the spec yet.   
(I was writing it...)

But I want some Python drivers, to the point where I'm willing to pay  
for them :)

geir

On Dec 28, 2008, at 10:47 PM, paul jobs wrote:

> http://www.mongodb.org/Drivers
> Geir no python drivers
>
>
> On 12/28/08, Geir Magnusson Jr. <geir@pobox.com> wrote: I work for a  
> company (10gen) that's making what I refer to as a "document  
> oriented" database (called MongoDB*), and I've long been meaning to  
> grok CouchDB.  Now that I have some time during the year-end  
> hibernation, I figured this is a good time to dig in.
>
> So I have some basic questions.  Warning - these are really basic,  
> and could be caused entirely by my current lack of caffination.  I  
> assume the best place to find docs is the wiki.  If there's  
> something better, any pointers welcome.
>
> First newbie question :
>
> Looking at http://wiki.apache.org/couchdb/HTTP_Document_API, I  
> understand that _id and _rev are reserved fields in the document**.   
> Now, looking at the _all_docs example, I see I get back a list of  
> docs :
>
> {
>  "total_rows": 3, "offset": 0, "rows": [
>    {"id": "doc1", "key": "doc1", "value": {"rev": "4324BB"}},
>    {"id": "doc2", "key": "doc2", "value": {"rev":"2441HF"}},
>    {"id": "doc3", "key": "doc3", "value": {"rev":"74EC24"}}
>  ]
> }
>
> what is "id"?  is that supposed to be "_id"?  what is "key"?  I see  
> that in futon as well - how does it relate to "_id" or "id" for that  
> matter?  Also, I assume that "rev" is the "_rev" of the document.   
> Why not make it "_rev"?
>
> I'm guessing that "id" is "_id", as I can see similar things in the  
> PUT example, but I guess then the question changes to why not just  
> be consistent and use "_id" everywhere, especially since I'm allowed  
> to use "id" in my document?
>
> I'm sorry if this is a stupid question - I just don't understand.   
> I'm happy to update the wiki when I understand :)
>
> geir
>
>
>
>
>
> I put these notes at the bottom as they are asides...
>
> * MongoDB - I'm getting a "community" site going (http://www.mongodb.org 
> ) indep of our corp site (http://www.10gen.com/).  It's open source,  
> written in C, and has some very nice features.
>
> ** I've had this debate internally at 10gen too, and I'm not  
> interested in picking a fight here :)  I think that by reserving  
> fields like this, you can't claim to be storing JSON anymore, but  
> "JSON--" or "almost JSON".   I think that a better way to do this is  
> provide a JSON-based "envelope" for documents in which the database  
> reserves all fields, and the user document is "hung" in there on one  
> of them.  This allows adding metadata over time free of collision  
> with the user documents :
>
>  {
>     _id : whatever
>     _rev : whatever
>     doc : { ..... the full user document that can have _id, _rev and  
> whatever....}
>  }
>
>


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