Verwenden Sie CASE Ausdrücke, um das jüngste, zweite und älteste Datum zu bestimmen. Setzen Sie sie in einen CTE und verwenden Sie die Spaltennamen im WHERE Klausel
WITH CTE AS(
SELECT *,
RecentDate =
CASE
WHEN APPR_DATE_1 >= APPR_DATE_2 AND APPR_DATE_1 >= APPR_DATE_3 THEN APPR_DATE_1
WHEN APPR_DATE_2 >= APPR_DATE_3 AND APPR_DATE_2 >= APPR_DATE_1 THEN APPR_DATE_2
WHEN APPR_DATE_3 >= APPR_DATE_2 AND APPR_DATE_3 >= APPR_DATE_1 THEN APPR_DATE_3
END,
SecondDate =
CASE
WHEN APPR_DATE_1 BETWEEN APPR_DATE_2 AND APPR_DATE_3 OR APPR_DATE_1 BETWEEN APPR_DATE_3 AND APPR_DATE_2 THEN APPR_DATE_1
WHEN APPR_DATE_2 BETWEEN APPR_DATE_1 AND APPR_DATE_3 OR APPR_DATE_1 BETWEEN APPR_DATE_3 AND APPR_DATE_1 THEN APPR_DATE_2
WHEN APPR_DATE_3 BETWEEN APPR_DATE_1 AND APPR_DATE_2 OR APPR_DATE_1 BETWEEN APPR_DATE_2 AND APPR_DATE_1 THEN APPR_DATE_3
END,
OldestDate =
CASE
WHEN APPR_DATE_1 <= APPR_DATE_2 AND APPR_DATE_1 <= APPR_DATE_3 THEN APPR_DATE_1
WHEN APPR_DATE_2 <= APPR_DATE_3 AND APPR_DATE_2 <= APPR_DATE_1 THEN APPR_DATE_2
WHEN APPR_DATE_3 <= APPR_DATE_2 AND APPR_DATE_3 <= APPR_DATE_1 THEN APPR_DATE_3
END
FROM #ASSET
)
SELECT
APPR_DATE_1, APPR_DATE_2, APPR_DATE_3, ID, NAME, ADDRESS
FROM CTE
WHERE
DATEDIFF(DAY, SecondDate, RecentDate) > 365
OR DATEDIFF(DAY, OldestDate, SecondDate) > 365
