還原指定文件夾下的備份文件

use Master

go

if object_ID ( 'sp_RestoreDB' ) is not null

    Drop Procedure sp_RestoreDB

go

/****************************************************************************************************************************************************************

%% 存儲過程名: sp_RestoreDB

 

%% 輸入參數: @Path,@DBs,@DefaultPath

 

%% 輸出參數:

 

%% 功能:還原文件夾路徑下的備份

****************************************************************************************************************************************************************

%% 編寫: Roy   2009-09-24

 

****************************************************************************************************************************************************************/

Create Procedure sp_RestoreDB

(

    @Path nvarchar ( 1000)                 -- 路徑如: G:/

    , @DBs nvarchar ( 2000)=null            -- 指定要還原的數據庫如: HR,SalesOrder; 用逗號分隔 , 不指定時按備份文件中的數據庫還原

    , @DefaultPath nvarchar ( 2000)=null    -- 通過還原文件生成數據時,指定數據庫文件存放路徑 , 不指定時取數據最大的一個作為路徑

)

as

 

 

set nocount on ;

 

declare @Sql nvarchar ( max ), @Path2 nvarchar ( 1000), @Path3 nvarchar ( 1000)

 

set @Path3= replace ( @Path, '"' , '' )

 

declare @FileExist table ( Col1 int , Col2 int , Col3 int )

 

insert @FileExist exec xp_fileexist @Path3

 

if @DefaultPath is not null

    begin

        set @Path3= replace ( @DefaultPath, '"' , '' )

        insert @FileExist exec xp_fileexist @Path3

    end

if exists( select 1 from @FileExist where Col2= 0)

    begin

        raiserror 50001 N' 指定文件路徑不正確 , 請確認 !'

        return

    end

 

 

select

    top 1 @DefaultPath= isnull ( @DefaultPath,left( Physical_name, len ( Physical_name)- charindex ( '/' , reverse ( Physical_name))+ 1))

from sys.master_files order by Database_id desc

 

if object_id ( 'Tempdb..#BackFile' ) is not null

    drop table #BackFile

create table #BackFile( FName nvarchar ( 1000))

 

if object_id ( 'Tempdb..#BackDB' ) is not null

    drop table #BackDB

create table #BackDB

(

    ID int identity ( 1, 1)

    , BackupName nvarchar ( 128)

    , BackupDescription  nvarchar ( 255)

    , BackupType smallint    

    , ExpirationDate datetime

    , Compressed tinyint

    , Position   smallint

    , DeviceType tinyint

    , UserName   nvarchar ( 128)

    , ServerName nvarchar ( 128)

    , DatabaseName   nvarchar ( 128)

    , DatabaseVersion    int

    , DatabaseCreationDate   datetime

    , BackupSize numeric ( 20, 0)

    , FirstLSN   numeric ( 25, 0)

    , LastLSN    numeric ( 25, 0)

    , CheckpointLSN  numeric ( 25, 0)

    , DatabaseBackupLSN  numeric ( 25, 0)   

    , BackupStartDate    datetime

    , BackupFinishDate   datetime

    , SortOrder  smallint

    , CodePage    smallint

    , UnicodeLocaleId    int

    , UnicodeComparisonStyle int

    , CompatibilityLevel tinyint

    , SoftwareVendorId   int

    , SoftwareVersionMajor   int

    , SoftwareVersionMinor   int

    , SoftwareVersionBuild   int

    , MachineName    nvarchar ( 128)

    , Flags  int

    , BindingID  uniqueidentifier

    , RecoveryForkID uniqueidentifier    

    , Collation  nvarchar ( 128)

    , FamilyGUID uniqueidentifier

    , HasBulkLoggedData  bit

    , IsSnapshot bit

    , IsReadOnly bit

    , IsSingleUser   bit

    , HasBackupChecksums bit

    , IsDamaged  bit

    , BeginsLogChain bit

    , HasIncompleteMetaData  bit

    , IsForceOffline bit

    , IsCopyOnly bit

    , FirstRecoveryForkID    uniqueidentifier

    , ForkPointLSN   numeric ( 25, 0) NULL

    , RecoveryModel  nvarchar ( 60)

    , DifferentialBaseLSN    numeric ( 25, 0) NULL  

    , DifferentialBaseGUID   uniqueidentifier    

    , BackupTypeDescription  nvarchar ( 60)    

    , BackupSetGUID  uniqueidentifier NULL

    , PathName nvarchar ( 2000)

)

 

if object_id ( 'Tempdb..#TmpBackDB' ) is not null

    drop table #TmpBackDB

create table #TmpBackDB

(

    BackupName  nvarchar ( 128)

    , BackupDescription  nvarchar ( 255)

    , BackupType smallint    

    , ExpirationDate datetime

    , Compressed tinyint

    , Position   smallint

    , DeviceType tinyint

    , UserName   nvarchar ( 128)

    , ServerName nvarchar ( 128)

    , DatabaseName   nvarchar ( 128)

    , DatabaseVersion    int

    , DatabaseCreationDate   datetime

    , BackupSize numeric ( 20, 0)

    , FirstLSN   numeric ( 25, 0)

    , LastLSN    numeric ( 25, 0)

    , CheckpointLSN  numeric ( 25, 0)

    , DatabaseBackupLSN  numeric ( 25, 0)   

    , BackupStartDate    datetime

    , BackupFinishDate   datetime

    , SortOrder  smallint

    , CodePage    smallint

    , UnicodeLocaleId    int

    , UnicodeComparisonStyle int

    , CompatibilityLevel tinyint

    , SoftwareVendorId   int

    , SoftwareVersionMajor   int

    , SoftwareVersionMinor   int

    , SoftwareVersionBuild   int

    , MachineName    nvarchar ( 128)

    , Flags  int

    , BindingID  uniqueidentifier

    , RecoveryForkID uniqueidentifier    

    , Collation  nvarchar ( 128)

    , FamilyGUID uniqueidentifier

    , HasBulkLoggedData  bit

    , IsSnapshot bit

    , IsReadOnly bit

    , IsSingleUser   bit

    , HasBackupChecksums bit

    , IsDamaged  bit

    , BeginsLogChain bit

    , HasIncompleteMetaData  bit

    , IsForceOffline bit

    , IsCopyOnly bit

    , FirstRecoveryForkID    uniqueidentifier

    , ForkPointLSN   numeric ( 25, 0) NULL

    , RecoveryModel  nvarchar ( 60)

    , DifferentialBaseLSN    numeric ( 25, 0) NULL  

    , DifferentialBaseGUID   uniqueidentifier    

    , BackupTypeDescription  nvarchar ( 60)    

    , BackupSetGUID  uniqueidentifier NULL

)

 

if object_id ( 'Tempdb..#BackDB2' ) is not null

    drop table #BackDB2

create table #BackDB2

(

    ID int identity ( 1, 1)

    , LogicalName    nvarchar ( 128)

    , PhysicalName   nvarchar ( 260)

    , Type    char ( 1)

    , FileGroupName  nvarchar ( 128)

    , Size    numeric ( 20, 0)

    , MaxSize     numeric ( 20, 0)

    , FileID bigint

    , CreateLSN  numeric ( 25, 0)

    , DropLSN    numeric ( 25, 0) NULL

    , UniqueID   uniqueidentifier

    , ReadOnlyLSN    numeric ( 25, 0) NULL

    , ReadWriteLSN   numeric ( 25, 0) NULL

    , BackupSizeInBytes  bigint

    , SourceBlockSize    int

    , FileGroupID    int

    , LogGroupGUID   uniqueidentifier NULL

    , DifferentialBaseLSN    numeric ( 25, 0) NULL  

    , DifferentialBaseGUID   uniqueidentifier

    , IsReadOnly bit

    , IsPresent  bit

    , DatabaseName nvarchar ( 128)

    , Position smallint

    , PathName nvarchar ( 2000)

)

 

if object_id ( 'Tempdb..#TmpBackDB2' ) is not null

    drop table #TmpBackDB2

create table #TmpBackDB2

(

    LogicalName nvarchar ( 128)

    , PhysicalName   nvarchar ( 260)

    , Type    char ( 1)

    , FileGroupName  nvarchar ( 128)

    , Size    numeric ( 20, 0)

    , MaxSize     numeric ( 20, 0)

    , FileID bigint

    , CreateLSN  numeric ( 25, 0)

    , DropLSN    numeric ( 25, 0) NULL

    , UniqueID   uniqueidentifier

    , ReadOnlyLSN    numeric ( 25, 0) NULL

    , ReadWriteLSN   numeric ( 25, 0) NULL

    , BackupSizeInBytes  bigint

    , SourceBlockSize    int

    , FileGroupID    int

    , LogGroupGUID   uniqueidentifier NULL

    , DifferentialBaseLSN    numeric ( 25, 0) NULL  

    , DifferentialBaseGUID   uniqueidentifier

    , IsReadOnly bit

    , IsPresent  bit

)

 

set @Path2= N'dir /B/o:d ' + @Path+ '*.bak'

 

insert #BackFile exec master.. xp_cmdshell @Path2

 

 

delete #BackFile where FName is null or right( FName, 4)<> '.bak'

 

if not exists( select 1 from #BackFile)

    begin

        raiserror 50001 N' 備份文件不存在 '

        return

    end

set @Sql= char ( 13)+ char ( 10)

 

set @Path= Replace ( @Path, '"' , '' )

 

select

    @Sql= @Sql+ char ( 13)+ char ( 10)+ 'insert into #TmpBackDB exec(''RESTORE HEADERONLY FROM DISK =''' + quotename ( @Path+ FName, '''' )

    + ''''') insert into #BackDB select *,''' + @Path+ FName+ ''' from #TmpBackDB delete #TmpBackDB '

from #BackFile

 

exec ( @Sql)

 

delete   #BackDB where BackupType> 1 or ',' + isnull ( @DBs, DatabaseName)+ ',' not like '%,' + DatabaseName+ ',%' -- 刪除非完整備份和非指定還原數據庫

 

 

delete a from #BackDB  as a where   exists( select 1 from #BackDB where DatabaseName= a. DatabaseName and ID> a. ID)

 

delete a

from #BackDB a

    left join ( select PathName, DatabaseName, max ( Position) as Position from #BackDB  group by PathName, DatabaseName) b

    on   a. PathName= b. PathName and a. DatabaseName= b. DatabaseName and a. Position= b. Position

where b. PathName is null

 

set @Sql= char ( 13)+ char ( 10)

select

    @Sql= @Sql+ char ( 13)+ char ( 10)+ ' Kill ' + rtrim ( spid)

from sysprocesses where dbid in( select db_id ( DatabaseName) from #BackDB )

exec ( @Sql)

 

 

set @Sql= char ( 13)+ char ( 10)

 

select

    @Sql= @Sql+ char ( 13)+ char ( 10)+ 'RESTORE DATABASE ' + quotename ( DatabaseName)+ ' From Disk=N''' + PathName+ ''' WITH  FILE = ' + rtrim ( Position)+ ',  NOUNLOAD,  REPLACE' + char ( 13)+ char ( 10)+ 'print  ''' + DatabaseName+ ''''

from #BackDB

where db_id ( DatabaseName) is not null

 

--print @Sql

exec ( @Sql)

 

if exists( select 1 from   #BackDB where db_id ( DatabaseName) is   null)

begin

    set @Sql= char ( 13)+ char ( 10)

    select

        @Sql= @Sql+ char ( 13)+ char ( 10)+ 'insert into #TmpBackDB2 exec(''RESTORE FILELISTONLY FROM Disk=N''''' + PathName+ ''''''') insert into #BackDB2 select *,''' + DatabaseName+ ''',' + rtrim ( Position)+ ',''' + PathName+ ''' from #TmpBackDB2 delete #TmpBackDB2 '

    from #BackDB

    where db_id ( DatabaseName) is   null

 

    exec ( @Sql)

 

 

    set @Sql= char ( 13)+ char ( 10)

 

    select

        @Sql= @Sql+ char ( 13)+ char ( 10)+ N'RESTORE DATABASE ' + quotename ( a. DatabaseName)+ N' FROM  DISK = N''' + a. PathName+ ''' with File=' + rtrim ( a. Position)+ ', MOVE N' + quotename ( a. LogicalName, '''' )+ ' TO N''' + @DefaultPath+right( a. PhysicalName, charindex ( '/' , reverse ( a. PhysicalName))- 1)+ ''', MOVE N' + quotename ( b. LogicalName, '''' )+ ' TO N''' + @DefaultPath+right( b. PhysicalName, charindex ( '/' , reverse ( b. PhysicalName))- 1)+ ''',  NOUNLOAD,  REPLACE' + char ( 13)+ char ( 10)+ ' print  ''' + a. DatabaseName+ ''''

    from #BackDB2 a

        inner join #BackDB2 b on a. DatabaseName= b. DatabaseName

    where a. Type= 'D' and b. Type= 'L'

 

    --print @Sql

 

    exec ( @Sql)

end

drop table #BackDB2, #TmpBackDB, #BackDB, #TmpBackDB2, #BackFile

 

go

 

--use Master

--go

-- 調用方法

 

--exec sp_RestoreDB @Path='G:/'                 -- 還原路徑下的所有備份

--exec sp_RestoreDB @Path='G:/',@DBs='HR,OChart'    -- 還原 HR OChart 數據庫

--exec sp_RestoreDB @Path='G:/',@DBs='HR,OChart',@DefaultPath='C:/' -- 還原 HR OChart 數據庫 , 指定還原路徑

 

-- 有空格時加引號

--exec sp_RestoreDB @Path='G:/"HR 2009"/',@DBs='HR,OChart',@DefaultPath='C:/'   -- 還原 HR OChart 數據庫 , 指定還原路徑

 

 

 

 

posted on 2009-09-29 12:18  中國風  阅读(170)  评论(0编辑  收藏  举报