v.23.2New Feature

Add StorageIceberg and iceberg function for S3 access

Add StorageIceberg and table function iceberg to access iceberg table store on S3. #45384 (flynn).
StorageIceberg engine and iceberg table function enable direct access to Iceberg tables stored on S3 within ClickHouse.

Why it matters

This feature allows ClickHouse users to query and integrate with Apache Iceberg tables stored in S3, providing seamless interoperability and expanding data source compatibility without manual data movement.

How to use it

To use this feature, create tables using the StorageIceberg engine or use the iceberg table function specifying the S3 location of the Iceberg table. This enables querying Iceberg table data directly in ClickHouse.