Entries by David Rowley

Partition Elimination in PostgreSQL 11

The feature freeze for the PostgreSQL 11 release is now upon us. During the last few days my colleague Álvaro Herrera pushed two changes into the development branch of PostgreSQL: 1. Faster Partition Pruning 2. Partition Pruning at Execution Time These patches aim to improve the performance and usability of the declarative table partitioning feature […]

Benchmark on a Parallel Processing Monster!

Last year I wrote about a benchmark which I performed on the Parallel Aggregate feature that I worked on for PostgreSQL 9.6.  I was pretty excited to see this code finally ship in September last year, however something stood out on the release announcement that I didn’t quite understand: Scale Up with Parallel Query Version 9.6 […]