Igor Suhorukov: pg_vexec one month on: ahead of ClickHouse on Parquet, close behind on MergeTree

It’s been exactly one month since I published my work porting Greenplum to PostgreSQL 19 and isolating the minimal PostgreSQL core patches needed to run this minimal fork. It all started as a way to extract its ORCA analytical query planner and turn PostgreSQL into a modern, vectorized…

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