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Message from discussion Atomic update to embedded array item
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Michael Dirolf  
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 More options Sep 24 2010, 9:50 am
From: Michael Dirolf <m...@10gen.com>
Date: Fri, 24 Sep 2010 09:50:04 -0400
Local: Fri, Sep 24 2010 9:50 am
Subject: Re: [mongodb-user] Re: Atomic update to embedded array item
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Yes. Add something to the query document to select the post you want to update.
On Fri, Sep 24, 2010 at 09:48, Ash <sse...@googlemail.com> wrote:
> thanks,

> can i do that particular update that will only affect a specific post?

> On Sep 24, 2:44 pm, Michael Dirolf <m...@10gen.com> wrote:
>> Use the positional ($) modifier. So something like:
>> update({"comments.id": 2}, {$set: {"comments.$.name": "foo"}})

>> On Fri, Sep 24, 2010 at 09:07, Ash <sse...@googlemail.com> wrote:
>> > How can update an embedded array item using atomic update

>> > e.g. posts -> comments

>> > i would like to update a comment which has id of 2 by change the
>> > comment name

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