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sql批量删除和条件查询

2011-04-02 16:06 666 查看
ALTER PROCEDURE [dbo].[PublishYearly_Delete]
@in_YearlyID VARCHAR(500)
AS

BEGIN
UPDATE PublishYearly SET Status=2 WHERE CHARINDEX(','+CAST(YearlyID AS VARCHAR(100))+',',@in_YearlyID)>0
END

ALTER PROCEDURE [dbo].[PublishYearly_GetList]
@request_page_num INT,--基于0的,如第一页@page_size=0
@page_size INT,
@Year INT,
@Status INT,
@PublishDate DATETIME,
@ExpiredDate DATETIME
AS
BEGIN
DECLARE @sql NVARCHAR(Max)
SET @sql='SELECT *,ROW_NUMBER() OVER (ORDER BY YearlyID) AS RowNumber FROM PublishYearly WHERE 1=1'

IF(@Year!=0)
SET @sql=@sql+' AND Year='+CAST(@Year AS VARCHAR(10));

IF(@Status!=0)
SET @sql=@sql+' AND Status='+CAST(@Status AS VARCHAR(10));

IF(@PublishDate IS NOT NULL)
SET @sql=@sql+' AND PublishDate>='''+CONVERT(VARCHAR(20),@PublishDate,120)+'''';

IF(@ExpiredDate IS NOT NULL)
SET @sql=@sql+' AND ExpiredDate<='''+CONVERT(VARCHAR(20),@ExpiredDate,120)+'''';

PRINT ('SELECT COUNT(*) FROM ('+@sql+') _temp')

EXEC ('SELECT COUNT(*) FROM ('+@sql+') _temp')

SET @sql='SELECT *,(CASE Status WHEN ''1'' THEN ''正常'' ELSE ''无效'' END) AS StatusN FROM (SELECT * FROM ('+ @sql+N') _temp WHERE RowNumber BETWEEN '+CAST(@request_page_num*@page_size+1 AS VARCHAR(10))+' AND '+CAST((@request_page_num+1)*@page_size AS VARCHAR(10))+') tt '

PRINT (@sql)
EXEC (@sql)

END
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