[IMPALA-12409] Don't allow EXTERNAL Iceberg tables to point another Iceberg table in Hive catalog

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: Impala 4.3.0
• Component/s: Catalog, Frontend
• Labels: impala-iceberg
• Epic Color: ghx-label-3
• Assignee: Zoltán Borók-Nagy
• Reporter: Zoltán Borók-Nagy
• Created: 28/Aug/23 17:37
• Updated: 15/Sep/23 18:38
• Resolved: 05/Sep/23 13:46

Description

We shouldn't allow users creating an EXTERNAL Iceberg table that points to another Iceberg table. I.e. the following should be forbidden:

CREATE EXTERNAL TABLE ice_ext
STORED BY ICEBERG
TBLPROPERTIES ('iceberg.table_identifier'='db.tbl');