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https://issues.apache.org/jira/browse/HAWQ-1036?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexander Denissov resolved HAWQ-1036.
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Resolution: Fixed
Fix Version/s: (was: backlog)
2.4.0.0-incubating
> 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: Alexander Denissov
> Priority: Critical
> Fix For: 2.4.0.0-incubating
>
> 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...
> Implementation High Level steps:
> 1) HAWQ needs to integrate with existing authentication components for the
> user who invokes the query
> 2) HAWQ needs to pass down the user id to PXF after authorization is passed
> 3) PXF needs to do "run as ..." the user id to execute APIs to access
> Hive/HDFS
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