DBCC CHECKDB CHECKTABLE - автоматическое исправление поврежденных индексов и оповещение о повреждении баз данных SQL на e-mail

USE [master]
GO
/****** Object:  StoredProcedure [dbo].[DatabaseIntegrityCheck]    Script Date: 18.06.2020 10:51:43 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER PROCEDURE [dbo].[DatabaseIntegrityCheck_addjk]

@Databases nvarchar(max) = NULL,
@CheckCommands nvarchar(max) = 'CHECKDB',
@PhysicalOnly nvarchar(max) = 'N',
@DataPurity nvarchar(max) = 'N',
@NoIndex nvarchar(max) = 'N',
@ExtendedLogicalChecks nvarchar(max) = 'N',
@TabLock nvarchar(max) = 'N',
@FileGroups nvarchar(max) = NULL,
@Objects nvarchar(max) = NULL,
@MaxDOP int = NULL,
@AvailabilityGroups nvarchar(max) = NULL,
@AvailabilityGroupReplicas nvarchar(max) = 'ALL',
@Updateability nvarchar(max) = 'ALL',
@TimeLimit int = NULL,
@LockTimeout int = NULL,
@LockMessageSeverity int = 16,
@StringDelimiter nvarchar(max) = ',',
@DatabaseOrder nvarchar(max) = NULL,
@DatabasesInParallel nvarchar(max) = 'N',
@LogToTable nvarchar(max) = 'N',
@Execute nvarchar(max) = 'Y',
@ModeRepair nvarchar(max) = NULL --'REPORT REPAIR TABLE' --+jk: REPORT-report on errors to e-mail, REPAIR - try repair, TABLE - not remove log table at exit (for ext script)

AS

BEGIN

  ----------------------------------------------------------------------------------------------------
  --// Source:  https://ola.hallengren.com                                                        //--
  --// License: https://ola.hallengren.com/license.html                                           //--
  --// GitHub:  https://github.com/olahallengren/sql-server-maintenance-solution                  //--
  --// Version: 2020-01-26 14:06:53                                                               //--
  ----------------------------------------------------------------------------------------------------

  SET NOCOUNT ON

  DECLARE @StartMessage nvarchar(max)
  DECLARE @EndMessage nvarchar(max)
  DECLARE @DatabaseMessage nvarchar(max)
  DECLARE @ErrorMessage nvarchar(max)
  DECLARE @Severity int

  DECLARE @StartTime datetime2 = SYSDATETIME()
  DECLARE @SchemaName nvarchar(max) = OBJECT_SCHEMA_NAME(@@PROCID)
  DECLARE @ObjectName nvarchar(max) = OBJECT_NAME(@@PROCID)
  DECLARE @VersionTimestamp nvarchar(max) = SUBSTRING(OBJECT_DEFINITION(@@PROCID),CHARINDEX('--// Version: ',OBJECT_DEFINITION(@@PROCID)) + LEN('--// Version: ') + 1, 19)
  DECLARE @Parameters nvarchar(max)

  DECLARE @HostPlatform nvarchar(max)

  DECLARE @QueueID int
  DECLARE @QueueStartTime datetime2

  DECLARE @CurrentDBID int
  DECLARE @CurrentDatabaseName nvarchar(max)

  DECLARE @CurrentDatabase_sp_executesql nvarchar(max)

  DECLARE @CurrentUserAccess nvarchar(max)
  DECLARE @CurrentIsReadOnly bit
  DECLARE @CurrentDatabaseState nvarchar(max)
  DECLARE @CurrentInStandby bit
  DECLARE @CurrentRecoveryModel nvarchar(max)

  DECLARE @CurrentIsDatabaseAccessible bit
  DECLARE @CurrentAvailabilityGroup nvarchar(max)
  DECLARE @CurrentAvailabilityGroupRole nvarchar(max)
  DECLARE @CurrentAvailabilityGroupBackupPreference nvarchar(max)
  DECLARE @CurrentIsPreferredBackupReplica bit
  DECLARE @CurrentDatabaseMirroringRole nvarchar(max)

  DECLARE @CurrentFGID int
  DECLARE @CurrentFileGroupID int
  DECLARE @CurrentFileGroupName nvarchar(max)
  DECLARE @CurrentFileGroupExists bit

  DECLARE @CurrentOID int
  DECLARE @CurrentSchemaID int
  DECLARE @CurrentSchemaName nvarchar(max)
  DECLARE @CurrentObjectID int
  DECLARE @CurrentObjectName nvarchar(max)
  DECLARE @CurrentObjectType nvarchar(max)
  DECLARE @CurrentObjectExists bit

  DECLARE @CurrentDatabaseContext nvarchar(max)
  DECLARE @CurrentCommand nvarchar(max)
  DECLARE @CurrentCommandOutput int
  DECLARE @CurrentCommandType nvarchar(max)

  DECLARE @Errors TABLE (ID int IDENTITY PRIMARY KEY,
                         [Message] nvarchar(max) NOT NULL,
                         Severity int NOT NULL,
                         [State] int)

  DECLARE @CurrentMessage nvarchar(max)
  DECLARE @CurrentSeverity int
  DECLARE @CurrentState int

  DECLARE @tmpDatabases TABLE (ID int IDENTITY,
                               DatabaseName nvarchar(max),
                               DatabaseType nvarchar(max),
                               AvailabilityGroup bit,
                               [Snapshot] bit,
                               StartPosition int,
                               LastCommandTime datetime2,
                               DatabaseSize bigint,
                               LastGoodCheckDbTime datetime2,
                               [Order] int,
                               Selected bit,
                               Completed bit,
                               PRIMARY KEY(Selected, Completed, [Order], ID))

  DECLARE @tmpAvailabilityGroups TABLE (ID int IDENTITY PRIMARY KEY,
                                        AvailabilityGroupName nvarchar(max),
                                        StartPosition int,
                                        Selected bit)

  DECLARE @tmpDatabasesAvailabilityGroups TABLE (DatabaseName nvarchar(max),
                                                 AvailabilityGroupName nvarchar(max))

  DECLARE @tmpFileGroups TABLE (ID int IDENTITY,
                                FileGroupID int,
                                FileGroupName nvarchar(max),
                                StartPosition int,
                                [Order] int,
                                Selected bit,
                                Completed bit,
                                PRIMARY KEY(Selected, Completed, [Order], ID))

  DECLARE @tmpObjects TABLE (ID int IDENTITY,
                             SchemaID int,
                             SchemaName nvarchar(max),
                             ObjectID int,
                             ObjectName nvarchar(max),
                             ObjectType nvarchar(max),
                             StartPosition int,
                             [Order] int,
                             Selected bit,
                             Completed bit,
                             PRIMARY KEY(Selected, Completed, [Order], ID))

  DECLARE @SelectedDatabases TABLE (DatabaseName nvarchar(max),
                                    DatabaseType nvarchar(max),
                                    AvailabilityGroup nvarchar(max),
                                    StartPosition int,
                                    Selected bit)

  DECLARE @SelectedAvailabilityGroups TABLE (AvailabilityGroupName nvarchar(max),
                                             StartPosition int,
                                             Selected bit)

  DECLARE @SelectedFileGroups TABLE (DatabaseName nvarchar(max),
                                     FileGroupName nvarchar(max),
                                     StartPosition int,
                                     Selected bit)

  DECLARE @SelectedObjects TABLE (DatabaseName nvarchar(max),
                                  SchemaName nvarchar(max),
                                  ObjectName nvarchar(max),
                                  StartPosition int,
                                  Selected bit)

  DECLARE @SelectedCheckCommands TABLE (CheckCommand nvarchar(max))

  DECLARE @Error int = 0
  DECLARE @ReturnCode int = 0

  DECLARE @EmptyLine nvarchar(max) = CHAR(9)

  DECLARE @Version numeric(18,10) = CAST(LEFT(CAST(SERVERPROPERTY('ProductVersion') AS nvarchar(max)),CHARINDEX('.',CAST(SERVERPROPERTY('ProductVersion') AS nvarchar(max))) - 1) + '.' + REPLACE(RIGHT(CAST(SERVERPROPERTY('ProductVersion') AS nvarchar(max)), LEN(CAST(SERVERPROPERTY('ProductVersion') AS nvarchar(max))) - CHARINDEX('.',CAST(SERVERPROPERTY('ProductVersion') AS nvarchar(max)))),'.','') AS numeric(18,10))

  IF @Version >= 14
  BEGIN
    SELECT @HostPlatform = host_platform
    FROM sys.dm_os_host_info
  END
  ELSE
  BEGIN
    SET @HostPlatform = 'Windows'
  END

  DECLARE @AmazonRDS bit = CASE WHEN DB_ID('rdsadmin') IS NOT NULL AND SUSER_SNAME(0x01) = 'rdsa' THEN 1 ELSE 0 END

  ----------------------------------------------------------------------------------------------------
  --// Log initial information                                                                    //--
  ----------------------------------------------------------------------------------------------------

  SET @Parameters = '@Databases = ' + ISNULL('''' + REPLACE(@Databases,'''','''''') + '''','NULL')
  SET @Parameters += ', @CheckCommands = ' + ISNULL('''' + REPLACE(@CheckCommands,'''','''''') + '''','NULL')
  SET @Parameters += ', @PhysicalOnly = ' + ISNULL('''' + REPLACE(@PhysicalOnly,'''','''''') + '''','NULL')
  SET @Parameters += ', @DataPurity = ' + ISNULL('''' + REPLACE(@DataPurity,'''','''''') + '''','NULL')
  SET @Parameters += ', @NoIndex = ' + ISNULL('''' + REPLACE(@NoIndex,'''','''''') + '''','NULL')
  SET @Parameters += ', @ExtendedLogicalChecks = ' + ISNULL('''' + REPLACE(@ExtendedLogicalChecks,'''','''''') + '''','NULL')
  SET @Parameters += ', @TabLock = ' + ISNULL('''' + REPLACE(@TabLock,'''','''''') + '''','NULL')
  SET @Parameters += ', @FileGroups = ' + ISNULL('''' + REPLACE(@FileGroups,'''','''''') + '''','NULL')
  SET @Parameters += ', @Objects = ' + ISNULL('''' + REPLACE(@Objects,'''','''''') + '''','NULL')
  SET @Parameters += ', @MaxDOP = ' + ISNULL(CAST(@MaxDOP AS nvarchar),'NULL')
  SET @Parameters += ', @AvailabilityGroups = ' + ISNULL('''' + REPLACE(@AvailabilityGroups,'''','''''') + '''','NULL')
  SET @Parameters += ', @AvailabilityGroupReplicas = ' + ISNULL('''' + REPLACE(@AvailabilityGroupReplicas,'''','''''') + '''','NULL')
  SET @Parameters += ', @Updateability = ' + ISNULL('''' + REPLACE(@Updateability,'''','''''') + '''','NULL')
  SET @Parameters += ', @TimeLimit = ' + ISNULL(CAST(@TimeLimit AS nvarchar),'NULL')
  SET @Parameters += ', @LockTimeout = ' + ISNULL(CAST(@LockTimeout AS nvarchar),'NULL')
  SET @Parameters += ', @LockMessageSeverity = ' + ISNULL(CAST(@LockMessageSeverity AS nvarchar),'NULL')
  SET @Parameters += ', @StringDelimiter = ' + ISNULL('''' + REPLACE(@StringDelimiter,'''','''''') + '''','NULL')
  SET @Parameters += ', @DatabaseOrder = ' + ISNULL('''' + REPLACE(@DatabaseOrder,'''','''''') + '''','NULL')
  SET @Parameters += ', @DatabasesInParallel = ' + ISNULL('''' + REPLACE(@DatabasesInParallel,'''','''''') + '''','NULL')
  SET @Parameters += ', @LogToTable = ' + ISNULL('''' + REPLACE(@LogToTable,'''','''''') + '''','NULL')
  SET @Parameters += ', @Execute = ' + ISNULL('''' + REPLACE(@Execute,'''','''''') + '''','NULL')
--+jk:
  SET @Parameters += ', @ModeRepair = ' + ISNULL('''' + REPLACE(@ModeRepair,'''','''''') + '''','NULL')

  SET @StartMessage = 'Date and time: ' + CONVERT(nvarchar,@StartTime,120)
  RAISERROR('%s',10,1,@StartMessage) WITH NOWAIT

  SET @StartMessage = 'Server: ' + CAST(SERVERPROPERTY('ServerName') AS nvarchar(max))
  RAISERROR('%s',10,1,@StartMessage) WITH NOWAIT

  SET @StartMessage = 'Version: ' + CAST(SERVERPROPERTY('ProductVersion') AS nvarchar(max))
  RAISERROR('%s',10,1,@StartMessage) WITH NOWAIT

  SET @StartMessage = 'Edition: ' + CAST(SERVERPROPERTY('Edition') AS nvarchar(max))
  RAISERROR('%s',10,1,@StartMessage) WITH NOWAIT

  SET @StartMessage = 'Platform: ' + @HostPlatform
  RAISERROR('%s',10,1,@StartMessage) WITH NOWAIT

  SET @StartMessage = 'Procedure: ' + QUOTENAME(DB_NAME(DB_ID())) + '.' + QUOTENAME(@SchemaName) + '.' + QUOTENAME(@ObjectName)
  RAISERROR('%s',10,1,@StartMessage) WITH NOWAIT

  SET @StartMessage = 'Parameters: ' + @Parameters
  RAISERROR('%s',10,1,@StartMessage) WITH NOWAIT

  SET @StartMessage = 'Version: ' + @VersionTimestamp
  RAISERROR('%s',10,1,@StartMessage) WITH NOWAIT

  SET @StartMessage = 'Source: https://ola.hallengren.com'
  RAISERROR('%s',10,1,@StartMessage) WITH NOWAIT

  RAISERROR(@EmptyLine,10,1) WITH NOWAIT

  ----------------------------------------------------------------------------------------------------
  --// Check core requirements                                                                    //--
  ----------------------------------------------------------------------------------------------------

  IF NOT (SELECT [compatibility_level] FROM sys.databases WHERE database_id = DB_ID()) >= 90
  BEGIN
    INSERT INTO @Errors ([Message], Severity, [State])
    SELECT  'The database ' + QUOTENAME(DB_NAME(DB_ID())) + ' has to be in compatibility level 90 or higher.', 16, 1
  END

  IF NOT (SELECT uses_ansi_nulls FROM sys.sql_modules WHERE [object_id] = @@PROCID) = 1
  BEGIN
    INSERT INTO @Errors ([Message], Severity, [State])
    SELECT 'ANSI_NULLS has to be set to ON for the stored procedure.', 16, 1
  END

  IF NOT (SELECT uses_quoted_identifier FROM sys.sql_modules WHERE [object_id] = @@PROCID) = 1
  BEGIN
    INSERT INTO @Errors ([Message], Severity, [State])
    SELECT 'QUOTED_IDENTIFIER has to be set to ON for the stored procedure.', 16, 1
  END

  IF NOT EXISTS (SELECT * FROM sys.objects objects INNER JOIN sys.schemas schemas ON objects.[schema_id] = schemas.[schema_id] WHERE objects.[type] = 'P' AND schemas.[name] = 'dbo' AND objects.[name] = 'CommandExecute')
  BEGIN
    INSERT INTO @Errors ([Message], Severity, [State])
    SELECT 'The stored procedure CommandExecute is missing. Download https://ola.hallengren.com/scripts/CommandExecute.sql.', 16, 1
  END

  IF EXISTS (SELECT * FROM sys.objects objects INNER JOIN sys.schemas schemas ON objects.[schema_id] = schemas.[schema_id] WHERE objects.[type] = 'P' AND schemas.[name] = 'dbo' AND objects.[name] = 'CommandExecute' AND OBJECT_DEFINITION(objects.[object_id]) NOT LIKE '%@DatabaseContext%')
  BEGIN
    INSERT INTO @Errors ([Message], Severity, [State])
    SELECT 'The stored procedure CommandExecute needs to be updated. Download https://ola.hallengren.com/scripts/CommandExecute.sql.', 16, 1
  END

  IF @LogToTable = 'Y' AND NOT EXISTS (SELECT * FROM sys.objects objects INNER JOIN sys.schemas schemas ON objects.[schema_id] = schemas.[schema_id] WHERE objects.[type] = 'U' AND schemas.[name] = 'dbo' AND objects.[name] = 'CommandLog')
  BEGIN
    INSERT INTO @Errors ([Message], Severity, [State])
    SELECT 'The table CommandLog is missing. Download https://ola.hallengren.com/scripts/CommandLog.sql.', 16, 1
  END

  IF @DatabasesInParallel = 'Y' AND NOT EXISTS (SELECT * FROM sys.objects objects INNER JOIN sys.schemas schemas ON objects.[schema_id] = schemas.[schema_id] WHERE objects.[type] = 'U' AND schemas.[name] = 'dbo' AND objects.[name] = 'Queue')
  BEGIN
    INSERT INTO @Errors ([Message], Severity, [State])
    SELECT 'The table Queue is missing. Download https://ola.hallengren.com/scripts/Queue.sql.', 16, 1
  END

  IF @DatabasesInParallel = 'Y' AND NOT EXISTS (SELECT * FROM sys.objects objects INNER JOIN sys.schemas schemas ON objects.[schema_id] = schemas.[schema_id] WHERE objects.[type] = 'U' AND schemas.[name] = 'dbo' AND objects.[name] = 'QueueDatabase')
  BEGIN
    INSERT INTO @Errors ([Message], Severity, [State])
    SELECT 'The table QueueDatabase is missing. Download https://ola.hallengren.com/scripts/QueueDatabase.sql.', 16, 1
  END

  IF @@TRANCOUNT <> 0
  BEGIN
    INSERT INTO @Errors ([Message], Severity, [State])
    SELECT 'The transaction count is not 0.', 16, 1
  END

  ----------------------------------------------------------------------------------------------------
  --// Select databases                                                                           //--
  ----------------------------------------------------------------------------------------------------

  SET @Databases = REPLACE(@Databases, CHAR(10), '')
  SET @Databases = REPLACE(@Databases, CHAR(13), '')

  WHILE CHARINDEX(@StringDelimiter + ' ', @Databases) > 0 SET @Databases = REPLACE(@Databases, @StringDelimiter + ' ', @StringDelimiter)
  WHILE CHARINDEX(' ' + @StringDelimiter, @Databases) > 0 SET @Databases = REPLACE(@Databases, ' ' + @StringDelimiter, @StringDelimiter)

  SET @Databases = LTRIM(RTRIM(@Databases));

  WITH Databases1 (StartPosition, EndPosition, DatabaseItem) AS
  (
  SELECT 1 AS StartPosition,
         ISNULL(NULLIF(CHARINDEX(@StringDelimiter, @Databases, 1), 0), LEN(@Databases) + 1) AS EndPosition,
         SUBSTRING(@Databases, 1, ISNULL(NULLIF(CHARINDEX(@StringDelimiter, @Databases, 1), 0), LEN(@Databases) + 1) - 1) AS DatabaseItem
  WHERE @Databases IS NOT NULL
  UNION ALL
  SELECT CAST(EndPosition AS int) + 1 AS StartPosition,
         ISNULL(NULLIF(CHARINDEX(@StringDelimiter, @Databases, EndPosition + 1), 0), LEN(@Databases) + 1) AS EndPosition,
         SUBSTRING(@Databases, EndPosition + 1, ISNULL(NULLIF(CHARINDEX(@StringDelimiter, @Databases, EndPosition + 1), 0), LEN(@Databases) + 1) - EndPosition - 1) AS DatabaseItem
  FROM Databases1
  WHERE EndPosition < LEN(@Databases) + 1
  ),
  Databases2 (DatabaseItem, StartPosition, Selected) AS
  (
  SELECT CASE WHEN DatabaseItem LIKE '-%' THEN RIGHT(DatabaseItem,LEN(DatabaseItem) - 1) ELSE DatabaseItem END AS DatabaseItem,
         StartPosition,
         CASE WHEN DatabaseItem LIKE '-%' THEN 0 ELSE 1 END AS Selected
  FROM Databases1
  ),
  Databases3 (DatabaseItem, DatabaseType, AvailabilityGroup, StartPosition, Selected) AS
  (
  SELECT CASE WHEN DatabaseItem IN('ALL_DATABASES','SYSTEM_DATABASES','USER_DATABASES','AVAILABILITY_GROUP_DATABASES') THEN '%' ELSE DatabaseItem END AS DatabaseItem,
         CASE WHEN DatabaseItem = 'SYSTEM_DATABASES' THEN 'S' WHEN DatabaseItem = 'USER_DATABASES' THEN 'U' ELSE NULL END AS DatabaseType,
         CASE WHEN DatabaseItem = 'AVAILABILITY_GROUP_DATABASES' THEN 1 ELSE NULL END AvailabilityGroup,
         StartPosition,
         Selected
  FROM Databases2
  ),
  Databases4 (DatabaseName, DatabaseType, AvailabilityGroup, StartPosition, Selected) AS
  (
  SELECT CASE WHEN LEFT(DatabaseItem,1) = '[' AND RIGHT(DatabaseItem,1) = ']' THEN PARSENAME(DatabaseItem,1) ELSE DatabaseItem END AS DatabaseItem,
         DatabaseType,
         AvailabilityGroup,
         StartPosition,
         Selected
  FROM Databases3
  )
  INSERT INTO @SelectedDatabases (DatabaseName, DatabaseType, AvailabilityGroup, StartPosition, Selected)
  SELECT DatabaseName,
         DatabaseType,
         AvailabilityGroup,
         StartPosition,
         Selected
  FROM Databases4
  OPTION (MAXRECURSION 0)

  IF @Version >= 11 AND SERVERPROPERTY('IsHadrEnabled') = 1
  BEGIN
    INSERT INTO @tmpAvailabilityGroups (AvailabilityGroupName, Selected)
    SELECT name AS AvailabilityGroupName,
           0 AS Selected
    FROM sys.availability_groups

    INSERT INTO @tmpDatabasesAvailabilityGroups (DatabaseName, AvailabilityGroupName)
    SELECT databases.name,
           availability_groups.name
    FROM sys.databases databases
    INNER JOIN sys.dm_hadr_availability_replica_states dm_hadr_availability_replica_states ON databases.replica_id = dm_hadr_availability_replica_states.replica_id
    INNER JOIN sys.availability_groups availability_groups ON dm_hadr_availability_replica_states.group_id = availability_groups.group_id
  END

  INSERT INTO @tmpDatabases (DatabaseName, DatabaseType, AvailabilityGroup, [Snapshot], [Order], Selected, Completed)
  SELECT [name] AS DatabaseName,
         CASE WHEN name IN('master','msdb','model') OR is_distributor = 1 THEN 'S' ELSE 'U' END AS DatabaseType,
         NULL AS AvailabilityGroup,
         CASE WHEN source_database_id IS NOT NULL THEN 1 ELSE 0 END AS [Snapshot],
         0 AS [Order],
         0 AS Selected,
         0 AS Completed
  FROM sys.databases
  ORDER BY [name] ASC

  UPDATE tmpDatabases
  SET AvailabilityGroup = CASE WHEN EXISTS (SELECT * FROM @tmpDatabasesAvailabilityGroups WHERE DatabaseName = tmpDatabases.DatabaseName) THEN 1 ELSE 0 END
  FROM @tmpDatabases tmpDatabases

  UPDATE tmpDatabases
  SET tmpDatabases.Selected = SelectedDatabases.Selected
  FROM @tmpDatabases tmpDatabases
  INNER JOIN @SelectedDatabases SelectedDatabases
  ON tmpDatabases.DatabaseName LIKE REPLACE(SelectedDatabases.DatabaseName,'_','[_]')
  AND (tmpDatabases.DatabaseType = SelectedDatabases.DatabaseType OR SelectedDatabases.DatabaseType IS NULL)
  AND (tmpDatabases.AvailabilityGroup = SelectedDatabases.AvailabilityGroup OR SelectedDatabases.AvailabilityGroup IS NULL)
  AND NOT ((tmpDatabases.DatabaseName = 'tempdb' OR tmpDatabases.[Snapshot] = 1) AND tmpDatabases.DatabaseName <> SelectedDatabases.DatabaseName)
  WHERE SelectedDatabases.Selected = 1

  UPDATE tmpDatabases
  SET tmpDatabases.Selected = SelectedDatabases.Selected
  FROM @tmpDatabases tmpDatabases
  INNER JOIN @SelectedDatabases SelectedDatabases
  ON tmpDatabases.DatabaseName LIKE REPLACE(SelectedDatabases.DatabaseName,'_','[_]')
  AND (tmpDatabases.DatabaseType = SelectedDatabases.DatabaseType OR SelectedDatabases.DatabaseType IS NULL)
  AND (tmpDatabases.AvailabilityGroup = SelectedDatabases.AvailabilityGroup OR SelectedDatabases.AvailabilityGroup IS NULL)
  AND NOT ((tmpDatabases.DatabaseName = 'tempdb' OR tmpDatabases.[Snapshot] = 1) AND tmpDatabases.DatabaseName <> SelectedDatabases.DatabaseName)
  WHERE SelectedDatabases.Selected = 0

  UPDATE tmpDatabases
  SET tmpDatabases.StartPosition = SelectedDatabases2.StartPosition
  FROM @tmpDatabases tmpDatabases
  INNER JOIN (SELECT tmpDatabases.DatabaseName, MIN(SelectedDatabases.StartPosition) AS StartPosition
              FROM @tmpDatabases tmpDatabases
              INNER JOIN @SelectedDatabases SelectedDatabases
              ON tmpDatabases.DatabaseName LIKE REPLACE(SelectedDatabases.DatabaseName,'_','[_]')
              AND (tmpDatabases.DatabaseType = SelectedDatabases.DatabaseType OR SelectedDatabases.DatabaseType IS NULL)
              AND (tmpDatabases.AvailabilityGroup = SelectedDatabases.AvailabilityGroup OR SelectedDatabases.AvailabilityGroup IS NULL)
              WHERE SelectedDatabases.Selected = 1
              GROUP BY tmpDatabases.DatabaseName) SelectedDatabases2
  ON tmpDatabases.DatabaseName = SelectedDatabases2.DatabaseName

  IF @Databases IS NOT NULL AND (NOT EXISTS(SELECT * FROM @SelectedDatabases) OR EXISTS(SELECT * FROM @SelectedDatabases WHERE DatabaseName IS NULL OR DatabaseName = ''))
  BEGIN
    INSERT INTO @Errors ([Message], Severity, [State])
    SELECT 'The value for the parameter @Databases is not supported.', 16, 1
  END

  ----------------------------------------------------------------------------------------------------
  --// Select availability groups                                                                 //--
  ----------------------------------------------------------------------------------------------------

  IF @AvailabilityGroups IS NOT NULL AND @Version >= 11 AND SERVERPROPERTY('IsHadrEnabled') = 1
  BEGIN

    SET @AvailabilityGroups = REPLACE(@AvailabilityGroups, CHAR(10), '')
    SET @AvailabilityGroups = REPLACE(@AvailabilityGroups, CHAR(13), '')

    WHILE CHARINDEX(@StringDelimiter + ' ', @AvailabilityGroups) > 0 SET @AvailabilityGroups = REPLACE(@AvailabilityGroups, @StringDelimiter + ' ', @StringDelimiter)
    WHILE CHARINDEX(' ' + @StringDelimiter, @AvailabilityGroups) > 0 SET @AvailabilityGroups = REPLACE(@AvailabilityGroups, ' ' + @StringDelimiter, @StringDelimiter)

    SET @AvailabilityGroups = LTRIM(RTRIM(@AvailabilityGroups));

    WITH AvailabilityGroups1 (StartPosition, EndPosition, AvailabilityGroupItem) AS
    (
    SELECT 1 AS StartPosition,
           ISNULL(NULLIF(CHARINDEX(@StringDelimiter, @AvailabilityGroups, 1), 0), LEN(@AvailabilityGroups) + 1) AS EndPosition,
           SUBSTRING(@AvailabilityGroups, 1, ISNULL(NULLIF(CHARINDEX(@StringDelimiter, @AvailabilityGroups, 1), 0), LEN(@AvailabilityGroups) + 1) - 1) AS AvailabilityGroupItem
    WHERE @AvailabilityGroups IS NOT NULL
    UNION ALL
    SELECT CAST(EndPosition AS int) + 1 AS StartPosition,
           ISNULL(NULLIF(CHARINDEX(@StringDelimiter, @AvailabilityGroups, EndPosition + 1), 0), LEN(@AvailabilityGroups) + 1) AS EndPosition,
           SUBSTRING(@AvailabilityGroups, EndPosition + 1, ISNULL(NULLIF(CHARINDEX(@StringDelimiter, @AvailabilityGroups, EndPosition + 1), 0), LEN(@AvailabilityGroups) + 1) - EndPosition - 1) AS AvailabilityGroupItem
    FROM AvailabilityGroups1
    WHERE EndPosition < LEN(@AvailabilityGroups) + 1
    ),
    AvailabilityGroups2 (AvailabilityGroupItem, StartPosition, Selected) AS
    (
    SELECT CASE WHEN AvailabilityGroupItem LIKE '-%' THEN RIGHT(AvailabilityGroupItem,LEN(AvailabilityGroupItem) - 1) ELSE AvailabilityGroupItem END AS AvailabilityGroupItem,
           StartPosition,
           CASE WHEN AvailabilityGroupItem LIKE '-%' THEN 0 ELSE 1 END AS Selected
    FROM AvailabilityGroups1
    ),
    AvailabilityGroups3 (AvailabilityGroupItem, StartPosition, Selected) AS
    (
    SELECT CASE WHEN AvailabilityGroupItem = 'ALL_AVAILABILITY_GROUPS' THEN '%' ELSE AvailabilityGroupItem END AS AvailabilityGroupItem,
           StartPosition,
           Selected
    FROM AvailabilityGroups2
    ),
    AvailabilityGroups4 (AvailabilityGroupName, StartPosition, Selected) AS
    (
    SELECT CASE WHEN LEFT(AvailabilityGroupItem,1) = '[' AND RIGHT(AvailabilityGroupItem,1) = ']' THEN PARSENAME(AvailabilityGroupItem,1) ELSE AvailabilityGroupItem END AS AvailabilityGroupItem,
           StartPosition,
           Selected
    FROM AvailabilityGroups3
    )
    INSERT INTO @SelectedAvailabilityGroups (AvailabilityGroupName, StartPosition, Selected)
    SELECT AvailabilityGroupName, StartPosition, Selected
    FROM AvailabilityGroups4
    OPTION (MAXRECURSION 0)

    UPDATE tmpAvailabilityGroups
    SET tmpAvailabilityGroups.Selected = SelectedAvailabilityGroups.Selected
    FROM @tmpAvailabilityGroups tmpAvailabilityGroups
    INNER JOIN @SelectedAvailabilityGroups SelectedAvailabilityGroups
    ON tmpAvailabilityGroups.AvailabilityGroupName LIKE REPLACE(SelectedAvailabilityGroups.AvailabilityGroupName,'_','[_]')
    WHERE SelectedAvailabilityGroups.Selected = 1

    UPDATE tmpAvailabilityGroups
    SET tmpAvailabilityGroups.Selected = SelectedAvailabilityGroups.Selected
    FROM @tmpAvailabilityGroups tmpAvailabilityGroups
    INNER JOIN @SelectedAvailabilityGroups SelectedAvailabilityGroups
    ON tmpAvailabilityGroups.AvailabilityGroupName LIKE REPLACE(SelectedAvailabilityGroups.AvailabilityGroupName,'_','[_]')
    WHERE SelectedAvailabilityGroups.Selected = 0

    UPDATE tmpAvailabilityGroups
    SET tmpAvailabilityGroups.StartPosition = SelectedAvailabilityGroups2.StartPosition
    FROM @tmpAvailabilityGroups tmpAvailabilityGroups
    INNER JOIN (SELECT tmpAvailabilityGroups.AvailabilityGroupName, MIN(SelectedAvailabilityGroups.StartPosition) AS StartPosition
                FROM @tmpAvailabilityGroups tmpAvailabilityGroups
                INNER JOIN @SelectedAvailabilityGroups SelectedAvailabilityGroups
                ON tmpAvailabilityGroups.AvailabilityGroupName LIKE REPLACE(SelectedAvailabilityGroups.AvailabilityGroupName,'_','[_]')
                WHERE SelectedAvailabilityGroups.Selected = 1
                GROUP BY tmpAvailabilityGroups.AvailabilityGroupName) SelectedAvailabilityGroups2
    ON tmpAvailabilityGroups.AvailabilityGroupName = SelectedAvailabilityGroups2.AvailabilityGroupName

    UPDATE tmpDatabases
    SET tmpDatabases.StartPosition = tmpAvailabilityGroups.StartPosition,
        tmpDatabases.Selected = 1
    FROM @tmpDatabases tmpDatabases
    INNER JOIN @tmpDatabasesAvailabilityGroups tmpDatabasesAvailabilityGroups ON tmpDatabases.DatabaseName = tmpDatabasesAvailabilityGroups.DatabaseName
    INNER JOIN @tmpAvailabilityGroups tmpAvailabilityGroups ON tmpDatabasesAvailabilityGroups.AvailabilityGroupName = tmpAvailabilityGroups.AvailabilityGroupName
    WHERE tmpAvailabilityGroups.Selected = 1

  END

  IF @AvailabilityGroups IS NOT NULL AND (NOT EXISTS(SELECT * FROM @SelectedAvailabilityGroups) OR EXISTS(SELECT * FROM @SelectedAvailabilityGroups WHERE AvailabilityGroupName IS NULL OR AvailabilityGroupName = '') OR @Version < 11 OR SERVERPROPERTY('IsHadrEnabled') = 0)
  BEGIN
    INSERT INTO @Errors ([Message], Severity, [State])
    SELECT 'The value for the parameter @AvailabilityGroups is not supported.', 16, 1
  END

  IF (@Databases IS NULL AND @AvailabilityGroups IS NULL)
  BEGIN
    INSERT INTO @Errors ([Message], Severity, [State])
    SELECT 'You need to specify one of the parameters @Databases and @AvailabilityGroups.', 16, 2
  END

  IF (@Databases IS NOT NULL AND @AvailabilityGroups IS NOT NULL)
  BEGIN
    INSERT INTO @Errors ([Message], Severity, [State])
    SELECT 'You can only specify one of the parameters @Databases and @AvailabilityGroups.', 16, 3
  END

  ----------------------------------------------------------------------------------------------------
  --// Select filegroups                                                                          //--
  ----------------------------------------------------------------------------------------------------

  SET @FileGroups = REPLACE(@FileGroups, CHAR(10), '')
  SET @FileGroups = REPLACE(@FileGroups, CHAR(13), '')

  WHILE CHARINDEX(@StringDelimiter + ' ', @FileGroups) > 0 SET @FileGroups = REPLACE(@FileGroups, @StringDelimiter + ' ', @StringDelimiter)
  WHILE CHARINDEX(' ' + @StringDelimiter, @FileGroups) > 0 SET @FileGroups = REPLACE(@FileGroups, ' ' + @StringDelimiter, @StringDelimiter)

  SET @FileGroups = LTRIM(RTRIM(@FileGroups));

  WITH FileGroups1 (StartPosition, EndPosition, FileGroupItem) AS
  (
  SELECT 1 AS StartPosition,
         ISNULL(NULLIF(CHARINDEX(@StringDelimiter, @FileGroups, 1), 0), LEN(@FileGroups) + 1) AS EndPosition,
         SUBSTRING(@FileGroups, 1, ISNULL(NULLIF(CHARINDEX(@StringDelimiter, @FileGroups, 1), 0), LEN(@FileGroups) + 1) - 1) AS FileGroupItem
  WHERE @FileGroups IS NOT NULL
  UNION ALL
  SELECT CAST(EndPosition AS int) + 1 AS StartPosition,
         ISNULL(NULLIF(CHARINDEX(@StringDelimiter, @FileGroups, EndPosition + 1), 0), LEN(@FileGroups) + 1) AS EndPosition,
         SUBSTRING(@FileGroups, EndPosition + 1, ISNULL(NULLIF(CHARINDEX(@StringDelimiter, @FileGroups, EndPosition + 1), 0), LEN(@FileGroups) + 1) - EndPosition - 1) AS FileGroupItem
  FROM FileGroups1
  WHERE EndPosition < LEN(@FileGroups) + 1
  ),
  FileGroups2 (FileGroupItem, StartPosition, Selected) AS
  (
  SELECT CASE WHEN FileGroupItem LIKE '-%' THEN RIGHT(FileGroupItem,LEN(FileGroupItem) - 1) ELSE FileGroupItem END AS FileGroupItem,
         StartPosition,
         CASE WHEN FileGroupItem LIKE '-%' THEN 0 ELSE 1 END AS Selected
  FROM FileGroups1
  ),
  FileGroups3 (FileGroupItem, StartPosition, Selected) AS
  (
  SELECT CASE WHEN FileGroupItem = 'ALL_FILEGROUPS' THEN '%.%' ELSE FileGroupItem END AS FileGroupItem,
         StartPosition,
         Selected
  FROM FileGroups2
  ),
  FileGroups4 (DatabaseName, FileGroupName, StartPosition, Selected) AS
  (
  SELECT CASE WHEN PARSENAME(FileGroupItem,4) IS NULL AND PARSENAME(FileGroupItem,3) IS NULL THEN PARSENAME(FileGroupItem,2) ELSE NULL END AS DatabaseName,
         CASE WHEN PARSENAME(FileGroupItem,4) IS NULL AND PARSENAME(FileGroupItem,3) IS NULL THEN PARSENAME(FileGroupItem,1) ELSE NULL END AS FileGroupName,
         StartPosition,
         Selected
  FROM FileGroups3
  )
  INSERT INTO @SelectedFileGroups (DatabaseName, FileGroupName, StartPosition, Selected)
  SELECT DatabaseName, FileGroupName, StartPosition, Selected
  FROM FileGroups4
  OPTION (MAXRECURSION 0)

  ----------------------------------------------------------------------------------------------------
  --// Select ob