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Posted to dev@pig.apache.org by "Olga Natkovich (JIRA)" <ji...@apache.org> on 2011/01/23 05:03:44 UTC

[jira] Created: (PIG-1818) Need to document that ORDER BY is not stable

Need to document that ORDER BY is not stable
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                 Key: PIG-1818
                 URL: https://issues.apache.org/jira/browse/PIG-1818
             Project: Pig
          Issue Type: Improvement
          Components: documentation
            Reporter: Olga Natkovich
            Assignee: Corinne Chandel
             Fix For: 0.9.0


ORDER BY documentation needs to state that the order is not stable meaning that if multiple recorder have the same ORDER BY key the order in which this record will be returned is not defined and is not guaranteed to the the same from one run to the next.

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[jira] Resolved: (PIG-1818) Need to document that ORDER BY is not stable

Posted by "Corinne Chandel (JIRA)" <ji...@apache.org>.

     [ https://issues.apache.org/jira/browse/PIG-1818?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Corinne Chandel resolved PIG-1818.
----------------------------------

    Resolution: Fixed

Pig Latin Basics doc updated.

Order By section updated (note added under Usage sub-section).

Patch will be submitted under Pig-1772.

> Need to document that ORDER BY is not stable
> --------------------------------------------
>
>                 Key: PIG-1818
>                 URL: https://issues.apache.org/jira/browse/PIG-1818
>             Project: Pig
>          Issue Type: Improvement
>          Components: documentation
>            Reporter: Olga Natkovich
>            Assignee: Corinne Chandel
>             Fix For: 0.9.0
>
>
> ORDER BY documentation needs to state that the order is not stable meaning that if multiple recorder have the same ORDER BY key the order in which this record will be returned is not defined and is not guaranteed to the the same from one run to the next.

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