[HIVE-6734] DDL locking too course grained in new db txn manager

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.13.0
• Fix Version/s: 0.13.0
• Component/s: Locking
• Assignee: Alan Gates
• Reporter: Alan Gates
• Created: 24/Mar/14 23:18
• Updated: 01/Oct/19 22:07
• Resolved: 28/Mar/14 16:16

Description

All DDL operations currently acquire an exclusive lock. This is too course grained, as some operations like alter table add partition shouldn't get an exclusive lock on the entire table.