[HIVE-13596] HS2 should be able to get UDFs on demand from metastore

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.1.0
• Assignee: Sergey Shelukhin Assign to me
• Reporter: Sergey Shelukhin
• Created: 23/Apr/16 00:22
• Updated: 21/Nov/16 22:46
• Resolved: 29/Apr/16 18:09

Description

When multiple HS2s are run, creating a permanent fn is only executed on one of them, and the other HS2s don't get the new function. Unlike say with tables, where we always get stuff from db on demand, fns are registered at certain points in the code and if the new one is not registered, it will not be available.
We should restore the pre-HIVE-2573 behavior of being able to refresh the UDFs on demand.

Issue Links

• is broken by: HIVE-2573 Create per-session function registry
• is related to: HIVE-13043 Reload function has no impact to function registry
• links to: RB