sp_RestoreFromAllFilesInDirectory (2008)

-- SQL Server 2008 stored procedure to generate the commands to restore a directory full of database backups to specific data and log directories


CREATE PROC [dbo].[sp_RestoreFromAllFilesInDirectory]
@SourceDirBackupFiles nvarchar(200), @DestDirDbFiles nvarchar(200),@DestDirLogFiles nvarchar(200)
AS
--  Restores from all files in a certain directory. Assumes that:
--  There's only one backup on each backup device.
--  Each database uses only two database files and the mdf file is returned first from the RESTORE FILELISTONLY command.
--Sample execution:
-- EXEC sp_RestoreFromAllFilesInDirectory 'C:\Mybakfiles\', 'D:\Mydatabasesdirectory\' ,’C:\MylogDirectory\’
SET NOCOUNT ON

--Table to hold each backup file name in
CREATE TABLE #files(fname varchar(200),depth int, file_ int)
INSERT #files
EXECUTE master.dbo.xp_dirtree @SourceDirBackupFiles, 1, 1

--Table to hold the result from RESTORE HEADERONLY. Needed to get the database name out from
CREATE TABLE #bdev(
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 int
,IsSnapshot int
,IsReadOnly int
,IsSingleUser int
,HasBackupChecksums int
,IsDamaged int
,BegibsLogChain int
,HasIncompleteMetaData int
,IsForceOffline int
,IsCopyOnly int
,FirstRecoveryForkID uniqueidentifier
,ForkPointLSN numeric(25,0)
,RecoveryModel nvarchar(128)
,DifferentialBaseLSN numeric(25,0)
,DifferentialBaseGUID uniqueidentifier
,BackupTypeDescription nvarchar(128)
,BackupSetGUID uniqueidentifier
,CompressedBackupSize nvarchar(128)
)

--Table to hold result from RESTORE FILELISTONLY. Need to generate the MOVE options to the RESTORE command
CREATE TABLE #dbfiles(
LogicalName nvarchar(128)
,PhysicalName nvarchar(260)
,Type char(1)
,FileGroupName nvarchar(128)
,Size numeric(20,0)
,MaxSize numeric(20,0)
,FileId int
,CreateLSN numeric(25,0)
,DropLSN numeric(25,0)
,UniqueId uniqueidentifier
,ReadOnlyLSN numeric(25,0)
,ReadWriteLSN numeric(25,0)
,BackupSizeInBytes int
,SourceBlockSize int
,FilegroupId int
,LogGroupGUID uniqueidentifier
,DifferentialBaseLSN numeric(25)
,DifferentialBaseGUID uniqueidentifier
,IsReadOnly int
,IsPresent int
,TDEThumbprint nvarchar(128)
)


DECLARE @fname varchar(200)
DECLARE @dirfile varchar(300)
DECLARE @LogicalName nvarchar(128)
DECLARE @PhysicalName nvarchar(260)
DECLARE @type char(1)
DECLARE @DbName sysname
DECLARE @sql nvarchar(1000)

DECLARE files CURSOR FOR
SELECT fname FROM #files

DECLARE dbfiles CURSOR FOR
SELECT LogicalName, PhysicalName, Type FROM #dbfiles

OPEN files
FETCH NEXT FROM files INTO @fname
WHILE @@FETCH_STATUS = 0
BEGIN
SET @dirfile = @SourceDirBackupFiles + @fname

--Get database name from RESTORE HEADERONLY, assumes there's only one backup on each backup file.
TRUNCATE TABLE #bdev
INSERT #bdev
EXEC('RESTORE HEADERONLY FROM DISK = ''' + @dirfile + '''')
SET @DbName = (SELECT DatabaseName FROM #bdev)

--Construct the beginning for the RESTORE DATABASE command
SET @sql = 'RESTORE DATABASE ' + @DbName + ' FROM DISK = ''' + @dirfile + ''' WITH MOVE '

--Get information about database files from backup device into temp table
TRUNCATE TABLE #dbfiles
INSERT #dbfiles
EXEC('RESTORE FILELISTONLY FROM DISK = ''' + @dirfile + '''')

OPEN dbfiles
FETCH NEXT FROM dbfiles INTO @LogicalName, @PhysicalName, @type
--For each database file that the database uses
WHILE @@FETCH_STATUS = 0
BEGIN
IF @type = 'D'
SET @sql = @sql + '''' + @LogicalName + ''' TO ''' + @DestDirDbFiles + @LogicalName  + '.mdf'', MOVE '
ELSE IF @type = 'L'
SET @sql = @sql + '''' + @LogicalName + ''' TO ''' + @DestDirLogFiles + @LogicalName  + '.ldf'''
FETCH NEXT FROM dbfiles INTO @LogicalName, @PhysicalName, @type
END

--Here's the actual RESTORE command
PRINT @sql
--Remove the comment below if you want the procedure to actually execute the restore command.
--EXEC(@sql)
CLOSE dbfiles
FETCH NEXT FROM files INTO @fname
END
CLOSE files
DEALLOCATE dbfiles
DEALLOCATE files