我在 sql server 中编写了一个表值函数，并在“return statement”遇到错误代码中的所有语句都是正确的，但我不知道为什么会出现这个错误
我的错误是
Incorrect syntax near the keyword 'RETURN'.
我的 sql 函数是
ALTER FUNCTION [dbo].[WEEKLY_REPORT](@START_DATE DATETIME, @END_DATE DATETIME,@PRACTISE NVARCHAR(MAX))
RETURNS @WEEKLY_REPORT_DETAILS_INFORMATION TABLE
(
RESOURCE_NAME NVARCHAR(MAX),
DAY1 DECIMAL(5,2),
DAY2 DECIMAL(5,2),
DAY3 DECIMAL(5,2),
DAY4 DECIMAL(5,2),
DAY5 DECIMAL(5,2),
DAY6 DECIMAL(5,2),
DAY7 DECIMAL(5,2),
UTILIZATION INT
)
AS
BEGIN
DECLARE
@RESOURCE_NAME NVARCHAR(MAX),
@DAY1 DECIMAL(5,2),
@DAY2 DECIMAL(5,2),
@DAY3 DECIMAL(5,2),
@DAY4 DECIMAL(5,2),
@DAY5 DECIMAL(5,2),
@DAY6 DECIMAL(5,2),
@DAY7 DECIMAL(5,2),
@UTILIZATION INT,
@LAST_DAY1 INT,
@MONTH NVARCHAR(MAX),
@START_DAY INT,
@END_DAY INT,
@COUNT INT,
@COUNT_TEST INT,
@QUERY NVARCHAR(MAX);
BEGIN
SET @MONTH = DATENAME(MONTH,@START_DATE)
SET @START_DAY = DATENAME(DAY,@START_DATE)
SET @END_DAY = DATENAME(DAY,@END_DATE)
SET @COUNT = @END_DAY -@START_DAY + 1
-- SET @QUERY='SELECT A.NAME, '
--SET @QUERY = ' INSERT INTO @WEEKLY_REPORT_DETAILS_INFORMATION(RESOURCE_NAME,DAY1,DAY2,DAY3,
-- DAY4,DAY5,DAY6,DAY7,UTILIZATION) SELECT A.NAME,'
CREATE TABLE TEMP(RESOURCE_NAME NVARCHAR(MAX), DAY1 DECIMAL(5,2),
DAY2 DECIMAL(5,2),
DAY3 DECIMAL(5,2),
DAY4 DECIMAL(5,2),
DAY5 DECIMAL(5,2),
DAY6 DECIMAL(5,2),
DAY7 DECIMAL(5,2))
SET @QUERY = ' INSERT INTO #TEMP(RESOURCE_NAME,DAY1,DAY2,DAY3,DAY4,DAY5,DAY6,DAY7)' +
' SELECT A.NAME,'
SET @COUNT_TEST = 1
WHILE @COUNT_TEST <= @COUNT
BEGIN
IF(DATEPART(MONTH,@START_DATE)=DATEPART(MONTH,@END_DATE))
BEGIN
IF(@COUNT_TEST =@COUNT)
BEGIN
SET @QUERY=@QUERY + 'B.D' + CONVERT(NVARCHAR ,@START_DAY)
SET @START_DAY = @START_DAY + 1
END
ELSE
BEGIN
SET @QUERY=@QUERY + 'B.D' + CONVERT(NVARCHAR ,@START_DAY) + ', '
SET @START_DAY = @START_DAY + 1
END
SET @COUNT_TEST =@COUNT_TEST + 1
END
ELSE
BEGIN
IF( DATEPART(MONTH,@START_DATE) = 1 OR DATEPART(MONTH,@START_DATE) = 3 OR
DATEPART(MONTH,@START_DATE) = 5 OR DATEPART(MONTH,@START_DATE) = 7 OR
DATEPART(MONTH,@START_DATE) = 8 OR DATEPART(MONTH,@START_DATE) = 10 OR
DATEPART(MONTH,@START_DATE) = 12 )
BEGIN
SET @LAST_DAY1 = DATENAME(DAY,@START_DATE)
WHILE (@LAST_DAY1 <= 31 )
BEGIN
IF(@COUNT_TEST =@COUNT)
SET @QUERY=@QUERY + 'B.D' + CONVERT(NVARCHAR ,@LAST_DAY1)
ELSE
SET @QUERY=@QUERY + 'B.D' + CONVERT(NVARCHAR ,@LAST_DAY1) + ', '
SET @COUNT_TEST =@COUNT_TEST + 1
SET @LAST_DAY1 = @LAST_DAY1 +1
END
SET @LAST_DAY1 = DATENAME(DAY,@END_DATE) - (DATENAME(DAY,@END_DATE)-1)
WHILE (@LAST_DAY1 <= DATENAME(DAY,@END_DATE))
BEGIN
IF(@COUNT_TEST =@COUNT)
SET @QUERY=@QUERY + 'C.D' + CONVERT(NVARCHAR ,@LAST_DAY1)
ELSE
SET @QUERY=@QUERY + 'C.D' + CONVERT(NVARCHAR ,@LAST_DAY1) + ', '
SET @COUNT_TEST =@COUNT_TEST + 1
SET @LAST_DAY1 = @LAST_DAY1 +1
END
END
ELSE
IF( DATEPART(MONTH,@START_DATE) = 4 OR DATEPART(MONTH,@START_DATE) = 6 OR
DATEPART(MONTH,@START_DATE) = 9 OR DATEPART(MONTH,@START_DATE) = 11 )
BEGIN
SET @LAST_DAY1 = DATENAME(DAY,@START_DATE)
WHILE (@LAST_DAY1 <= 30 )
BEGIN
IF(@COUNT_TEST =@COUNT)
SET @QUERY=@QUERY + 'B.D' + CONVERT(NVARCHAR ,@LAST_DAY1)
ELSE
SET @QUERY=@QUERY + 'C.D' + CONVERT(NVARCHAR ,@LAST_DAY1) + ', '
SET @COUNT_TEST =@COUNT_TEST + 1
SET @LAST_DAY1 = @LAST_DAY1 +1
END
SET @LAST_DAY1 = DATENAME(DAY,@END_DATE) - (DATENAME(DAY,@END_DATE)-1)
WHILE (@LAST_DAY1 <= DATENAME(DAY,@END_DATE))
BEGIN
IF(@COUNT_TEST =@COUNT)
SET @QUERY=@QUERY + 'B.D' + CONVERT(NVARCHAR ,@LAST_DAY1)
ELSE
SET @QUERY=@QUERY + 'C.D' + CONVERT(NVARCHAR ,@LAST_DAY1) + ', '
SET @COUNT_TEST =@COUNT_TEST + 1
SET @LAST_DAY1 = @LAST_DAY1 +1
END
END
ELSE
BEGIN
SET @LAST_DAY1 = DATENAME(DAY,@START_DATE)
WHILE (@LAST_DAY1 <= 28 )
BEGIN
IF(@COUNT_TEST =@COUNT)
SET @QUERY=@QUERY + 'B.D' + CONVERT(NVARCHAR ,@LAST_DAY1)
ELSE
SET @QUERY=@QUERY + 'C.D' + CONVERT(NVARCHAR ,@LAST_DAY1) + ', '
SET @COUNT_TEST =@COUNT_TEST + 1
SET @LAST_DAY1 = @LAST_DAY1 +1
END
SET @LAST_DAY1 = DATENAME(DAY,@END_DATE) - (DATENAME(DAY,@END_DATE)-1)
WHILE (@LAST_DAY1 <= DATENAME(DAY,@END_DATE))
BEGIN
IF(@COUNT_TEST =@COUNT)
SET @QUERY=@QUERY + 'B.D' + CONVERT(NVARCHAR ,@LAST_DAY1)
ELSE
SET @QUERY=@QUERY + 'C.D' + CONVERT(NVARCHAR ,@LAST_DAY1) + ', '
SET @COUNT_TEST =@COUNT_TEST + 1
SET @LAST_DAY1 = @LAST_DAY1 +1
END
END
END
END
IF(DATENAME(MONTH,@START_DATE)=DATENAME(MONTH,@END_DATE))
BEGIN
SET @QUERY = @QUERY + ' FROM EMPLOYEE A JOIN CP_DETAILS B' +
' ON A.ID = B.EMPLOYEE_ID WHERE B.MONTH_USED = ' + '''' + @MONTH + '''' +
' AND B.YEAR_USED = ' + DATENAME(YEAR,@START_DATE) +
' AND B.PRACTISE=' + '''' + @PRACTISE + ''''
END
ELSE
BEGIN
SET @QUERY = @QUERY + ' FROM EMPLOYEE A JOIN CP_DETAILS B' +
' ON A.ID = B.EMPLOYEE_ID JOIN CP_DETAILS C ON A.ID=C.EMPLOYEE_ID' +
' WHERE B.MONTH_USED = ' + '''' + DATENAME (MONTH,@START_DATE) + '''' +
' AND B.YEAR_USED = ' + DATENAME(YEAR,@START_DATE) +
' AND B.PRACTISE=' + '''' + @PRACTISE + '''' +
' AND C.MONTH_USED=' + '''' + DATENAME(MONTH,@END_DATE) + ''''
END
EXEC SP_EXECUTESQL @QUERY
DECLARE CP_DETAILS CURSOR FOR SELECT * FROM TEMP
OPEN CP_DETAILS
FETCH NEXT FROM CP_DETAILS INTO @RESOURCE_NAME,@DAY1,@DAY2,@DAY3,@DAY4,@DAY5,@DAY6,@DAY7
WHILE (@@FETCH_STATUS =0)
BEGIN
SET @UTILIZATION = dbo.UTILIZATION(@START_DATE,@END_DATE,@DAY1,
@DAY2,@DAY3,@DAY4,@DAY5,@DAY6,@DAY7)
INSERT INTO @WEEKLY_REPORT_DETAILS_INFORMATION VALUES(@RESOURCE_NAME,
@DAY1,@DAY2,@DAY3,@DAY4,@DAY5,@DAY6,@DAY7,@UTILIZATION)
FETCH NEXT FROM CP_DETAILS INTO @RESOURCE_NAME,@DAY1,@DAY2,@DAY3,@DAY4,@DAY5,@DAY6,@DAY7
END
CLOSE CP_DETAILS
DEALLOCATE CP_DETAILS
DROP TEMP
RETURN ---error here
END
END