name: subscriptions table: subscriptions grain: - subscription_id columns: - name: subscription_id type: number - name: account_id type: number - name: canceled_at type: time role: time - name: churn_reason type: string - name: end_date type: time role: time - name: start_date type: time role: time joins: - to: accounts 'on': account_id = accounts.account_id relationship: many_to_one