[HIVE-7932] It may cause NP exception when add accessed columns to ReadEntity

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.1.0
• Assignee: Xiaomeng Huang
• Reporter: Xiaomeng Huang
• Created: 02/Sep/14 01:06
• Updated: 12/Feb/15 23:40
• Resolved: 09/Oct/14 01:11

Description

case TABLE:
   entity.getAccessedColumns().addAll(
      tableToColumnAccessMap.get(entity.getTable().getCompleteName()));

if tableToColumnAccessMap.get(entity.getTable().getCompleteName()) is null, addAll(null) will throw null pointer exception.

Issue Links

• blocks: SENTRY-392 Authorization for column level security
• blocks: SENTRY-74 Add column-level privileges for Hive/Impala
• relates to: HIVE-7730 Extend ReadEntity to add accessed columns from query
• links to: review board