sql 按周分组在MSSQL中

Posted 2021-05-13

Create table #myTempTable2
(
    datevalue    datetime NOT NULL
  , numericvalue INT      NOT NULL
)
go
INSERT INTO #myTempTable2 (datevalue, numericvalue) VALUES
  ('2012-01-01', 4),
  ('2012-01-02', 1),
  ('2012-01-07', 2),
  ('2012-01-08', 8),
  ('2012-01-14', 3),
  ('2012-01-15', 2),
  ('2012-01-19', 6);

SELECT * FROM #myTempTable2

SET DATEFIRST 6;

SELECT      DATEPART(wk, datevalue)     weekno
        ,   SUM(numericvalue)           totalvalue
FROM        #myTempTable2
GROUP BY    DATEPART(wk, datevalue)




DROP TABLE #myTempTable2