SELECT SUM(A.Amount) FROM NaturalWages A JOIN WagePeriods B ON A.ValidFrom_ID = B.ID LEFT JOIN WagePeriods C ON A.ValidTo_ID = C.ID WHERE A.Parent_ID = :Parent_ID AND B.DateFrom$DATE <= :DateTo AND (A.ValidTo_ID IS NULL OR C.DateTo$DATE >= :DateFrom)
Generated by ABRA Software a.s. 27.10.2021 16:34:36