按月添加分区表

 

USE BingAdsMachines

GO

--CREATE PARTITION FUNCTION [BingAdsMachinesPF](DATE)

--AS RANGE RIGHT

--FOR VALUES('2012-12-1')

--CREATE PARTITION SCHEME [BingAdsMacheinesSchema]

--AS PARTITION [BingAdsMachinesPF]

--ALL TO ([primary])

--SELECT * FROM sys.partition_range_values

--select * from sys.partition_functions

--SELECT * FROM sys.partition_schemes

DECLARE @TmpDate DATE;

DECLARE @strTmpDate NVARCHAR(10);

DECLARE @SQL NVARCHAR(MAX);

SET @TmpDate = '2012-12-1'

WHILE(@TmpDate <= '2017-12-1')

BEGIN

SET @strTmpDate = CONVERT(NVARCHAR(10), @TmpDate, 121)

SET @SQL = N'IF NOT EXISTS(select value from '

+ 'sys.partition_range_values '

+ 'where function_id in  '

+ '(select function_id from sys.partition_functions '

+ 'where name = ''BingAdsMachinesPF'') '

+ 'and CONVERT(datetime, value) = ''' + @strTmpDate + ''')  '

+ 'BEGIN '

+ 'ALTER PARTITION SCHEME BingAdsMacheinesSchema '

+ 'NEXT USED [PRIMARY] '

+ 'ALTER PARTITION FUNCTION BingAdsMachinesPF() '

+ 'SPLIT RANGE (''' + @strTmpDate + ''') '

+ 'END'

PRINT '    Create partition range - ' + @strTmpDate

EXEC sp_executesql @SQL

SET @TmpDate = DATEADD(M, 1, @TmpDate)

END