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Date: Mon, 22 Nov 2010 10:47:13 -0500 (EST)
From: "Paul Joseph Davis (JIRA)" <jira@apache.org>
To: dev@couchdb.apache.org
Subject: [jira] Commented: (COUCHDB-925) altering 'doc' variable in map
 function affects other map functions
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    [ https://issues.apache.org/jira/browse/COUCHDB-925?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12934490#action_12934490 ] 

Paul Joseph Davis commented on COUCHDB-925:
-------------------------------------------

Has this been tested with a spidermonkey that's actually broken? It looks fine to me but it might be a good idea to try and find one of the old versions to double check the behavior.

Regardless, I'm +1 on committing.

> altering 'doc' variable in map function affects other map functions
> -------------------------------------------------------------------
>
>                 Key: COUCHDB-925
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-925
>             Project: CouchDB
>          Issue Type: Bug
>    Affects Versions: 1.0.1
>         Environment: Erlang R13B03, Spidermonkey 1.7, Ubuntu 10.04
>            Reporter: afters
>         Attachments: COUCHDB-925.patch
>
>
> I have the following two map functions (v1.0.1):
> function (doc) {
>   emit(doc.path[0], null);
> }
> function (doc) {
>  doc.path = [ 'an intruder from another view' ];
> }
> When the views are built, the first map function sees a 'doc' variable that
> was changed by the second map function, and thus emits the key 'an intruder
> from another view'.
> The real documents remain untouched.

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