rayner.notes

Apache Doris 4.1 adds Iceberg V3 support: run UPDATE, DELETE, and MERGE INTO on Iceberg tables with Deletion Vectors and Row Lineage, all from SQL.

JSON stopped being a supporting format and became core business data. Why analytics engines need Variant types to keep up — and how Snowflake, Doris, and Iceberg are solving it.

Adding a secondary index to Apache Iceberg isn’t a file-layout problem — it’s an ecosystem problem. A walkthrough of the design tradeoffs the Iceberg community is navigating.