# `StatifierPersistence.Ecto.KeyGenerator.Bigserial`
[🔗](https://github.com/riddler/statifier_persistence/blob/v0.18.0/lib/statifier_persistence/ecto/key_generator/bigserial.ex#L1)

Database-assigned auto-increment keys (ADR-0002 decision 2).

Supported for hosts with that convention, not defaulted: a sequential
id leaks row counts if exposed, and that is the host's trade to make.
Schema fields are `:id` over `:bigserial` columns; `autogenerate/2`
returns `nil` because the database assigns the key.

---

*Consult [api-reference.md](api-reference.md) for complete listing*