5 phút Postgres E4: Viết các hàm tổng hợp Postgres tùy chỉnh của riêng bạn bằng Rust hoặc SQL thô

Today we'll take a look at how to write custom aggregates in Postgres using either Rust or raw SQL and walk through the recent pgx v0.3.0 release.

Find the article on our blog here: https://pganalyze.com/blog/5mins-postgres-custom-aggregates-rust-sql-pgx

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What we have discussed in this episode of 5mins of Postgres:

PostgreSQL Aggregates with Rust: https://hoverbear.org/blog/postgresql-aggregates-with-rust/

pgx v0.3.0 release: https://github.com/zombodb/pgx/releases/tag/v0.3.0

Implementing the harmonic mean and geometric mean as user-defined aggregates in PostgreSQL: https://tim.mcnamara.nz/post/177172657187/user-defined-aggregates-in-postgresql

How PostgreSQL aggregation works and how it inspired our hyperfunctions’ design: https://blog.timescale.com/blog/how-postgresql-aggregation-works-and-how-it-inspired-our-hyperfunctions-design-2/