[IMPALA-10165] Support all partition transforms for Iceberg in create table

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: Impala 4.0.0
• Labels: impala-iceberg
• Epic Link: Iceberg support in Impala
• Epic Color: ghx-label-6
• Assignee: Gabor Kaszab
• Reporter: Zoltán Borók-Nagy
• Created: 10/Sep/20 13:34
• Updated: 26/Oct/20 16:51
• Resolved: 26/Oct/20 16:51

Description

Currently the identity and datetime (year, month, day, hour) Iceberg partition transformations are supported by Impala.

There are also TRUNCATE and BUCKET partition transformations in Iceberg that needs to be supported. They can also take parameters, i.e. truncation width and number of buckets.