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From "Olga Natkovich (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-526) Order of <key, value> pairs not preserved in MAP type.
Date Thu, 13 Nov 2008 22:09:44 GMT

    [ https://issues.apache.org/jira/browse/PIG-526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12647424#action_12647424
] 

Olga Natkovich commented on PIG-526:
------------------------------------

My concern with forcing this is performance consequences of maintaing order. I don't think
Pig promises to the users any particular order

> Order of <key, value> pairs not preserved in MAP type.
> ------------------------------------------------------
>
>                 Key: PIG-526
>                 URL: https://issues.apache.org/jira/browse/PIG-526
>             Project: Pig
>          Issue Type: Bug
>          Components: data
>    Affects Versions: types_branch
>            Reporter: Hong Tang
>
> PIG uses HashMap to deserialize the Pig MAP type which will not observe the order of
<key, value> pairs.

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