I have the below SQL statement that works as desired/expected. However I would like to translate it into a LINQ statement(Lambda??) so that it will fit with the rest of my DAL. However I cannot see to figure out how to simulate Rank() in LINQ.
The reason I posted it here, which is maybe in error, is to see if anyone has an alternative to the Rank()
statement so that I can get this switched over. Alternatively, if there is a way to represent Rank()
in LINQ that would be appreciated also.
USE CMO
SELECT vp.[PersonID] AS [PersonId]
,ce.[EnrollmentID]
,vp.[FirstName]
,vp.[LastName]
,ce.[EnrollmentDate]
,ce.[DisenrollmentDate]
,wh.WorkerCategory
FROM [dbo].[vwPersonInfo] AS vp
INNER JOIN
(
[dbo].[tblCMOEnrollment] AS ce
LEFT OUTER JOIN
(
SELECT *
,RANK()OVER(PARTITION BY EnrollmentID ORDER BY CASE WHEN EndDate IS NULL THEN 1 ELSE 2 END, EndDate DESC, StartDate DESC) AS whrank
FROM [dbo].[tblWorkerHistory]
WHERE WorkerCategory = 2
) AS wh
ON ce.[EnrollmentID] = wh.[EnrollmentID] AND wh.whrank = 1
)
ON vp.[PersonID] = ce.[ClientID]
WHERE (vp.LastName NOT IN ('Client','Orientation','Real','Training','Matrix','Second','Not'))
AND (
(wh.[EndDate] <= GETDATE())
OR wh.WorkerCategory IS NULL
)
AND (
(ce.[DisenrollmentDate] IS NULL)
OR (ce.[DisenrollmentDate] >= GetDate())
)
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