[IMPALA-11433] Remove misleading bucketing info from DESCRIBE FORMATTED output for Iceberg tables

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: Impala 4.2.0
• Component/s: Frontend
• Labels: impala-iceberg ramp-up
• Epic Color: ghx-label-4
• Assignee: Li Penglin
• Reporter: Zoltán Borók-Nagy
• Created: 14/Jul/22 12:50
• Updated: 01/Aug/22 08:52
• Resolved: 01/Aug/22 08:52

Description

The DESCRIBE FORMATTED output show this even for bucketed Iceberg tables:

Num Buckets:	0	NULL
Bucket Columns:	[]	NULL

We should remove them, and the user should rely on the information in the # Partition Transform Information block instead

This Jira item is Impala's version of HIVE-26334.