[IMPALA-7398] Add logged_in_user alias for effective_user

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 3.0, Impala 2.12.0
• Fix Version/s: Impala 3.1.0
• Component/s: Backend
• Labels: authorization
• Epic Color: ghx-label-9
• Assignee: Adam Holley
• Reporter: Peter Ebert
• Created: 06/Aug/18 15:00
• Updated: 13/Aug/18 16:05
• Resolved: 13/Aug/18 13:48

Description

When using sentry Hive will return a different value for 'current_user' than Impala.  This means a view using these values would be inconsistent between the two SQL engines.  By adding 'logged_in_user' as an alias for 'effective_user' views would be consistent between Hive and Impala.