[IMPALA-12732] Add support for MERGE statements for Iceberg tables

• Type: New Feature
• Status: In Progress
• Priority: Major
• Resolution: Unresolved
• Component/s: Backend, Frontend
• Labels: impala-iceberg
• Epic Color: ghx-label-12
• Assignee: Peter Rozsa
• Reporter: Peter Rozsa
• Created: 19/Jan/24 10:34
• Updated: 09/Oct/24 17:21

Description

Add support for SQL MERGE statements for Iceberg tables

 

Issue Links

• is duplicated by: IMPALA-12531 Add support for Merge statements for Iceberg tables

Sub-Tasks

• Use separate merge query when there are no delete or update cases listed: In Progress
• MultiDataSink ignores MAX_FS_WRITERS query option: Open
• Rewrite complex merge queries for IcebergMergeImpl: In Progress
• INSERT *, UPDATE * syntax for MERGE statement: In Progress
• WHEN NOT MATCHED BY SOURCE syntax for MERGE statement: In Progress