From SQL To Parquet Pages: Tracing An Iceberg Read In Trino

Ziva Li on 2026-06-17 in series Learning Trino by Tracing One Iceberg Table From SQL to Files

Parquet Row Groups, Column Chunks, Pages, And How Trino Reads Them

Ziva Li on 2026-06-16 in series Learning Trino by Tracing One Iceberg Table From SQL to Files

Ziva Li on 2026-06-14 in series Learning Trino by Tracing One Iceberg Table From SQL to Files

Iceberg Metadata, Avro, And Parquet.

Ziva Li on 2026-06-10 in series Learning Trino by Tracing One Iceberg Table From SQL to Files

Reading Trino distributed EXPLAIN output by following RemoteSource dependencies from source fragments to commit.

Ziva Li on 2026-06-07 in series Learning Trino by Tracing One Iceberg Table From SQL to Files

A plain mental model for how Trino plans, schedules, and executes distributed query work across workers.

Ziva Li on 2023-10-27

Step-by-step notes for cloning a partitioned Hive table by recreating schema, copying files, and repairing metadata.