[jira] Assigned: (HIVE-946) pass context to custom mapper/reducer

["Paul Yang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-946?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Paul Yang reassigned HIVE-946:
------------------------------

    Assignee: Paul Yang

> pass context to custom mapper/reducer
> -------------------------------------
>
>                 Key: HIVE-946
>                 URL: https://issues.apache.org/jira/browse/HIVE-946
>             Project: Hadoop Hive
>          Issue Type: Improvement
>          Components: Query Processor
>            Reporter: Namit Jain
>            Assignee: Paul Yang
>
> It might be useful to pass some context to custom mapper/reducer process - 
> the requirement is to identify the transform uniquely if there are multiple transforms in the same task.
> For that, we can pass the operator id of the script operator in some environment variable.
> If anything else is useful, please add to the list.

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