[HIVE-26596] Hive should enforce merge-on-read delete mode is set for Iceberg V2 tables

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.0.0-alpha-2
• Component/s: Iceberg integration
• Labels: pull-request-available
• Assignee: Ádám Szita
• Reporter: Ádám Szita
• Created: 06/Oct/22 13:34
• Updated: 10/Aug/23 11:37
• Resolved: 11/Oct/22 11:35

Description

Hive only implements merge-on-read delete mode with its DML operations on Iceberg V2 tables. Should an Iceberg table specify copy-on-write mode, then Hive must throw an error for an attempted DML op.

Issue Links

• is related to: HIVE-27593 Iceberg: Keep iceberg properties in sync with hms properties
• links to: GitHub Pull Request #3646