[HIVE-12320] hive.metastore.disallow.incompatible.col.type.changes should be true by default

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.12.0, 0.13.0, 0.14.0, 1.0.0, 1.1.0, 1.2.0
• Fix Version/s: 2.0.0
• Component/s: Configuration, Types
• Labels: TODOC2.0
• Hadoop Flags: Incompatible change
• Assignee: Ashutosh Chauhan
• Reporter: Ashutosh Chauhan
• Created: 03/Nov/15 00:51
• Updated: 16/Feb/16 23:51
• Resolved: 05/Nov/15 23:57

Description

By default all types of schema changes are permitted. This config adds capability to disallow incompatible column type changes. This should be on by default.

Issue Links

• is related to: HIVE-4409 Prevent incompatible column type changes
• links to: RB request