Как преобразовать этот SQL-запрос в LINQ (OVER (PARTITION BY Date))

Вот запрос, который я пытаюсь преобразовать в Linq:

SELECT R.Code, 
       R.FlightNumber, 
       S.[Date], 
       S.Station,
       R.Liters, 
       SUM(R.Liters) OVER (PARTITION BY Year([Date]), Month([Date]), Day([Date])) AS Total_Liters
FROM S INNER JOIN
               R ON S.ID = R.SID
WHERE (R.Code = 'AC')
AND FlightNumber = '124'
GROUP BY  Station, Code, FlightNumber, [Date], Liter
ORDER BY R.FlightNumber, [Date]

Спасибо за любую помощь.

ОБНОВЛЕНИЕ :Вот код Linq, на котором я его примеряю; Я не могу сделать OVER PARTITION по дате.

var test = 
(from record in ent.Records join ship in ent.Ship on record.ShipID equals ship.ID                       

orderby ship.Station
where ship.Date > model.StartView && ship.Date < model.EndView && ship.Station == model.Station && record.FlightNumber == model.FlightNumber

group record by new {ship.Station, record.Code, record.FlightNumber, ship.Date, record.AmountType1} into g

select new { g.Key.Station, g.Key.Code, g.Key.FlightNumber, g.Key.Date, AmmountType1Sum = g.Sum(record => record.AmountType1) });