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--**************************************************************************************
--
Date: 07/19/2005
--
--
File: sliding.sql for Sliding Window Example
--
--
Summary: Managing a Range Partitioned Table
--
Archive transaction data for September 2003.
--
--
**************************************************************************************
--
--
This file is part of the Microsoft SQL Server Code Samples.
--
Copyright (C) Microsoft Corporation. All rights reserved.
--
--
This source code is intended only as a supplement to Microsoft
--
Development Tools and/or on-line documentation. See these other
--
materials for detailed information regarding Microsoft code samples.
--
--
THIS CODE AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
--
KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
--
IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
--
PARTICULAR PURPOSE.
--
--
**************************************************************************************

SET DATEFORMAT mdy;
GO

USE [AdventureWorks];
GO

ALTER PARTITION SCHEME TransactionsPS1
NEXT USED [PRIMARY];
GO

-- Add a new partition on the end of table TransactionHistory for August 2004.
ALTER PARTITION FUNCTION TransactionRangePF1()
SPLIT RANGE (
'9/01/2004');
GO

ALTER PARTITION SCHEME TransactionArchivePS2
NEXT USED [PRIMARY];
GO

-- Add a new partition to table TransactionHistoryArchive to hold the
--
September 2003 data.
ALTER PARTITION FUNCTION TransactionArchivePF2()
SPLIT RANGE (
'10/01/2003');
GO

-- You must add a check constraint to table TransactionHistory to define
--
the boundary for the first partition before switching it out.
ALTER TABLE [Production].[TransactionHistory]
ADD CONSTRAINT [CK_TransactionHistory_DateRange]
CHECK ([TransactionDate] >= '9/01/2003');
GO

-- Move the data for September 2003 from table TransactionHistory to
--
table TransactionHistoryArchive.
ALTER TABLE [Production].[TransactionHistory]
SWITCH PARTITION
1
TO [Production].[TransactionHistoryArchive] PARTITION 2;
GO

-- Merge the first two partitions of table TransactionHistory.
ALTER PARTITION FUNCTION TransactionRangePF1()
MERGE RANGE (
'10/01/2003');
GO

-- Merge the September 2003 partition of table TransactionHistoryArchive
--
with the first partition.
ALTER PARTITION FUNCTION TransactionArchivePF2()
MERGE RANGE (
'9/01/2003');
GO

-- Remove the date constraint on table TransactionHistory.
ALTER TABLE [Production].[TransactionHistory]
DROP CONSTRAINT [CK_TransactionHistory_DateRange];
GO

SELECT OBJECT_NAME([object_id]), * FROM [sys].[partitions]
WHERE [object_id] = OBJECT_ID('[Production].[TransactionHistory]')
ORDER BY [partition_number], [index_id];
GO

SELECT OBJECT_NAME([object_id]), * FROM [sys].[partitions]
WHERE [object_id] = OBJECT_ID('[Production].[TransactionHistoryArchive]')
ORDER BY [partition_number], [index_id];
GO

USE [master];
GO
posted on 2011-07-06 15:19  Fanr_Zh  阅读(280)  评论(0编辑  收藏  举报