[IMPALA-10456] Implement TRUNCATE for Iceberg tables

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: Impala 4.0.0
• Component/s: Frontend
• Labels: impala-iceberg
• Epic Color: ghx-label-3
• Assignee: Zoltán Borók-Nagy
• Reporter: Zoltán Borók-Nagy
• Created: 27/Jan/21 18:05
• Updated: 01/Feb/21 17:03
• Resolved: 01/Feb/21 17:03

Description

Implement TRUNCATE for Iceberg tables.

The TRUNCATE operation should create a new snapshot for the target table that doesn't have any data files.

It should work for both partitioned and unpartitioned tables.