UUID in PostgreSQL: uuid-ossp and gen_random_uuid()
Use UUIDs as primary keys in PostgreSQL. Compare uuid-ossp extension, gen_random_uuid(), and UUID v7 for index performance and insert throughput.
Published:
Tags: developer-tools, uuid, postgresql
UUID in PostgreSQL: uuid-ossp, genrandomuuid(), and Primary Keys PostgreSQL has mature UUID support built in. Since version 13, is available without any extension. For new projects, UUID v7 as a primary key type gives you the uniqueness guarantees of UUIDs with B-tree performance close to . Here is the complete guide. --- UUID Column Type PostgreSQL has a native type — not . Use it: The type stores UUIDs as 16 bytes internally, regardless of the input format. It accepts input in multiple formats: For quick UUID generation without writing code, use the UUID Generator tool. --- genrandomuuid() — Built-in Since PG 13 generates a UUID v4 using PostgreSQL's random number generator. Since PostgreSQL 13, it is part of the core — no extension needed. PostgreSQL version check --- uuid-ossp…
All articles · theproductguy.in