#[Transactional]Expand description
#[Transactional] — wrap the handler in a database transaction on the
request-tenant’s pool: commit on Ok, rollback on Err/cancellation.
Consumed by #[Controller]; pass-through marker on free fns.
#[Transactional]#[Transactional] — wrap the handler in a database transaction on the
request-tenant’s pool: commit on Ok, rollback on Err/cancellation.
Consumed by #[Controller]; pass-through marker on free fns.