ClickHouse 26.2 introduces a beta integration with Google's Lakehouse Runtime Catalog, enabling direct querying of Google Cloud Lakehouse Apache Iceberg tables via the Iceberg REST Catalog API. No data movement or proprietary connectors are required. The integration supports Google Application Default Credentials (ADC) for authentication, with two options: pointing to a local credentials file or providing OAuth credentials inline. Once connected, users can list and query Iceberg tables directly or load data into ClickHouse's native MergeTree format for lower-latency repeated queries. Upcoming enhancements include write-back support and a ClickHouse Cloud UI for managing catalog connections.
Table of contents
Why Iceberg REST Catalog? #How does the integration work? #Getting started #Authentication with Google Application default credentials #Querying Google Lakehouse Iceberg tables from ClickHouse #What's next #Get started today #Sort: