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| CREATE FUNCTION GetCarnetTest3 (@id_user INT, @NbVolParPage INT)
RETURNS TABLE
AS
RETURN
WITH tmp AS
(
SELECT id ,
jour,
DernierVolPage,
ROW_NUMBER() OVER(ORDER BY jour, id) AS Rn
FROM vols_avion
WHERE id_user=@id_user
),
LastLigne AS(
SELECT
Rn,
ROW_NUMBER() OVER(ORDER BY RN) AS Ll
FROM tmp
WHERE DernierVolPAge = 1
OR RN = (SELECT MAX(RN) FROM tmp)
),
Blocs AS(
SELECT
COALESCE(Debut.Rn, 1) AS RnDebut,
COALESCE(Fin.Rn, (SELECT MAX(Rn) FROM tmp)) AS RnFin,
ROW_NUMBER() OVER(ORDER BY Debut.Rn) AS NoBloc
FROM LastLigne Debut
FULL OUTER JOIN LastLigne Fin
ON Fin.Ll = Debut.Ll + 1
), U AS(
SELECT
tmp.id,
tmp.jour,
(ROW_NUMBER() OVER(PARTITION BY NoBloc ORDER BY Rn) -1) / @NbVolParPage + 1 AS PageRelativeBloc,
(ROW_NUMBER() OVER(PARTITION BY NoBloc ORDER BY Rn) -1) % @NbVolParPage +1 AS LignePage,
tmp.RN,
NoBloc
FROM blocs
INNER JOIN tmp
ON tmp.Rn >blocs.RnDebut
AND tmp.Rn <= blocs.Rnfin
)
SELECT
id,
jour,
PageRelativeBloc + COALESCE((SELECT MAX(PageRelativeBloc) FROM U B WHERE NoBloc = A.NoBloc - 1), 0) AS Page,
LignePage
--RN,
--NoBloc
FROM U A
ORDER BY 3,4 |
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