I have 2 viewsOrders.view derived_table: { sql: select 1 as id, 100 as
amount, 1 as customer_id UNION ALL select 2 as id, 200 as amount, 2 as
customer_id UNION ALL select 3 as id, 300 as amount, 3 as customer_id
UNION ALL select 4 as id,300 as amount...