create table subject_tokens ( tenant_id varchar(21) not null references tenants (id) on update cascade on delete cascade, id varchar(25) not null, context jsonb /* @use JsonObject */ not null default '{}'::jsonb, expires_at timestamptz not null, consumed_at timestamptz, user_id varchar(21) not null references users (id) on update cascade on delete cascade, created_at timestamptz not null default(now()), /* It is intented to not reference to user or application table, it can be userId or applicationId, for audit only */ creator_id varchar(32) not null, primary key (id) ); create index subject_token__id on subject_tokens (tenant_id, id);