Module usernames 

UsernameReader + UsernameWriter trait implementations for DieselDb.

Manages username CRUD with case-insensitive uniqueness enforcement. Redis caching and validation stay in the service layer.

Structs

UsernameRow 🔒

Diesel model matching the usernames table.

Functions

lower

Postgres LOWER(text) -> text.

Type Aliases

lower

The return type of lower()