Backlog for ctk {load,save} [table]

Apache Iceberg

• Exercise access with Iceberg REST catalogs https://altinity.com/blog/introducing-altinity-ice-a-simple-toolset-for-iceberg-rest-catalogs

• Exercise end-to-end integration with e.g. Google Cloud https://opensource.googleblog.com/2026/01/explore-public-datasets-with-apache-iceberg-and-biglake.html https://cloud.google.com/blog/products/data-analytics/announcing-bigquery-tables-for-apache-iceberg

• Verify on Windows Example: --conf spark.sql.catalog.my_catalog.warehouse=file:///D:/sparksetup/iceberg/spark_warehouse https://medium.com/itversity/iceberg-catalogs-a-guide-for-data-engineers-a6190c7bf381

• Compression!

• Auth! https://github.com/apache/iceberg/issues/13550

• Can the postgresql catalog implementation be used with CrateDB?

• Verify with other catalogs: https://py.iceberg.apache.org/configuration/#common-integrations-examples