[IMPALA-8823] Implement DROP TABLE for insert-only ACID tables

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: Impala 3.3.0
• Labels: impala-acid
• Epic Link: Support read/write Hive ACID tables
• Epic Color: ghx-label-4
• Assignee: Gabor Kaszab
• Reporter: Zoltán Borók-Nagy
• Created: 01/Aug/19 17:46
• Updated: 14/Aug/19 09:27
• Resolved: 14/Aug/19 00:46

Description

Impala currently cannot drop insert-only ACID tables.

To implement DROP TABLE for insert-only tables at first we need to acquire an exclusive lock from HMS, then proceed with the usual DROP TABLE process.

Heartbeating the lock might be also needed.

Issue Links

• requires: IMPALA-8637 Implement transaction handling and locking for ACID queries

Sub-Tasks

• Impala Doc: Document DROP TABLE for Insert-only ACID Tables: Closed