[HIVE-1858] Implement DROP {PARTITION, INDEX, TEMPORARY FUNCTION} IF EXISTS

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.7.0
• Fix Version/s: 0.7.0
• Hadoop Flags: Reviewed
• Assignee: Marcel Kinard
• Reporter: Marcel Kinard
• Created: 21/Dec/10 03:23
• Updated: 04/Mar/22 09:10
• Resolved: 27/Dec/10 23:27

Description

Extend HIVE-1856 to support IF EXISTS for

{DROP TABLE, VIEW}

and ALTER TABLE DROP PARTITION

• signal an error if the to-be-dropped entity doesn't exist and IF EXISTS isn't specified
• this behavior can be disabled by setting hive.exec.drop.ignorenonexistent to true

Issue Links

• causes: HIVE-26003 DROP FUNCTION silently passes when function doesn't exist
• is blocked by: HIVE-1856 Implement DROP TABLE/VIEW ... IF EXISTS