kw order

Query       = "from" Pattern "in" Expr { "where" Expr } [ "order" "by" Ord { "," Ord } ]
              [ "group" "by" Expr "into" Ident ] [ "skip" Expr ] [ "take" Expr ]
              [ "load" "(" IdentList ")" ] [ "select" Expr ] ;

let top = from o in db.Order
  where o.userId == uid && o.total > MIN_TOTAL
  order by o.createdAt desc
  skip page * PAGE_SIZE
  take PAGE_SIZE
  load(items)

let names = from u in users where u.active select u.name   // List в памяти
let byRole = from u in users group by u.role into g select (g.key, g.count())

atomic(db) {
  db.insert(order)
  db.update(User, uid) { ordersCount += 1 }
  emit OrderEvents(OrderEvent.Created(order.id))
}