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From: Simon Metson <simonmetson@googlemail.com>
To: user@couchdb.apache.org
In-Reply-To: <2A5814D7-3742-4FED-A451-31576904FFB3@apache.org>
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Subject: Re: View to find someone in a list in a document
Date: Wed, 2 Sep 2009 21:18:12 +0100
References: <51d0803c0909020925s75bdc063gd108f8c5618ca38c@mail.gmail.com>
 <9BE6119F-6D55-4293-B209-9D23F7A33484@googlemail.com>
 <2A5814D7-3742-4FED-A451-31576904FFB3@apache.org>

Hey Jan,

> function(doc) { for (var v in doc.users) { emit(doc.users[v], doc); }
>
> if you leave out the `var` you create a global variable (as opposed  
> to a local variable in JS and that can have funky effects.

What he said.

> function(doc) { if(doc.users) { for (var v in doc.users)  
> { emit(doc.users[v], doc); }}
>
> protects you against errors for documents that doesn't have a  
> `users` property.

Yeah, I was going to add that but was being lazy ;) apologies!
Cheers
Simon