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https://issues.apache.org/jira/browse/HAWQ-1036?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15468123#comment-15468123
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Goden Yao edited comment on HAWQ-1036 at 9/6/16 6:54 PM:
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this request has nothing to do with database objects privilege management or
ranger integration.
Alastair‘s attached text file well elaborated on the implementation for this
JIRA.
I'll make sure I describe that in the JIRA description as well.
was (Author: godenyao):
this request has nothing to do with database objects privilege management or
ranger integration.
I'll post a detailed discussion with Alastair before.
> Support user impersonation in PXF for external tables
> -----------------------------------------------------
>
> Key: HAWQ-1036
> URL: https://issues.apache.org/jira/browse/HAWQ-1036
> Project: Apache HAWQ
> Issue Type: New Feature
> Components: PXF, Security
> Reporter: Alastair "Bell" Turner
> Assignee: Goden Yao
> Priority: Critical
> Fix For: backlog
>
> Attachments: HAWQ_Impersonation_rationale.txt
>
>
> Currently HAWQ executes all queries as the user running the HAWQ process or
> the user running the PXF process, not as the user who issued the query via
> ODBC/JDBC/... This restricts the options available for integrating with
> existing security defined in HDFS, Hive, etc.
> Impersonation provides an alternative Ranger integration (as discussed in
> HAWQ-256 ) for consistent security across HAWQ, HDFS, Hive...
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