Sqlserver
 sql >> Datenbank >  >> RDS >> Sqlserver

zeilen in spalten transponieren in sql

Ich habe diesen Code ausprobiert. Bitte überprüfen Sie und lassen Sie mich wissen, ob es funktioniert

Ich weiß, dass es nicht so gut aussieht. Ich bin mir auch nicht sicher, wie es leistungsmäßig sein wird.

--Can have more columns like A,B,...
DECLARE @tbl TABLE
(
TOTAL INT,
CHARGE FLOAT,
PAYMENT FLOAT,
MONTHYEAR VARCHAR(50)
)


--Test data
INSERT INTO @tbl SELECT 661, 157832.24, 82967.80, 'Oct2013'
INSERT INTO @tbl SELECT 612,     95030.52,    17824.28, 'Nov2013'
INSERT INTO @tbl SELECT 584     ,90256.35,    16732.91, 'Dec2013'

--Can be a physical table
CREATE TABLE #FinalTbl 
(
DATA VARCHAR(100)
)

--inserted hardcode records in data column. To add it dynamically you would need to loop through information_schema.columns
--SELECT *
--FROM information_schema.columns
--WHERE table_name = 'tbl_name'
INSERT INTO #FinalTbl
VALUES ('TOTAL')

INSERT INTO #FinalTbl
VALUES ('CHARGE')

INSERT INTO #FinalTbl
VALUES ('PAYMENT')

DECLARE @StartCount INT, @TotalCount INT, @Query VARCHAR(5000), @TOTAL INT,@CHARGE FLOAT,@PAYMENT FLOAT,@MONTHYEAR VARCHAR(50)

SELECT @TotalCount = COUNT(*) FROM @tbl;
SET @StartCount = 1;

WHILE(@StartCount <= @TotalCount)
BEGIN
    SELECT @TOTAL = TOTAL, 
    @CHARGE = CHARGE,
    @PAYMENT = PAYMENT,
    @MONTHYEAR = MONTHYEAR  
    FROM
    (SELECT ROW_NUMBER() over(ORDER BY MONTHYEAR) AS ROWNUM, * FROM @tbl) as tbl
    WHERE ROWNUM = @StartCount

    SELECT @Query = 'ALTER TABLE #FinalTbl ADD ' + @MONTHYEAR + ' VARCHAR(1000)'
    EXEC (@Query)

    SELECT @Query = 'UPDATE #FinalTbl SET ' + @MONTHYEAR + ' = ''' + CONVERT(VARCHAR(50), @TOTAL) + ''' WHERE DATA = ''TOTAL'''
    EXEC (@Query)

    SELECT @Query = 'UPDATE #FinalTbl SET ' + @MONTHYEAR + ' = ''' + CONVERT(VARCHAR(50), @CHARGE) + ''' WHERE DATA = ''CHARGE'''
    EXEC (@Query)

    SELECT @Query = 'UPDATE #FinalTbl SET ' + @MONTHYEAR + ' = ''' + CONVERT(VARCHAR(50), @PAYMENT) + ''' WHERE DATA = ''PAYMENT'''
    EXEC (@Query)

    SELECT @StartCount = @StartCount + 1
END

SELECT * FROM #FinalTbl

DROP TABLE #FinalTbl

Hoffe das hilft