SET NOCOUNT ON
DECLARE @Objectid INT, @Indexid INT,@schemaname VARCHAR(100),@tablename VARCHAR(300),@ixname VARCHAR(500),@avg_fip float,@command VARCHAR(4000)
DECLARE IX_Cursor CURSOR FOR
SELECT A.object_id,A.index_id,QUOTENAME(SS.NAME) AS schemaname,QUOTENAME(OBJECT_NAME(B.object_id,B.database_id))as tablename ,QUOTENAME(A.name) AS ixname,B.avg_fragmentation_in_percent AS avg_fip FROM sys.indexes A inner join sys.dm_db_index_physical_stats(DB_ID(),NULL,NULL,NULL,'LIMITED') AS B
ON A.object_id=B.object_id and A.index_id=B.index_id
INNER JOIN SYS.OBJECTS OS ON A.object_id=OS.object_id
INNER JOIN sys.schemas SS ON OS.schema_id=SS.schema_id
WHERE B.avg_fragmentation_in_percent>10 and B.page_count>20 AND A.index_id>0 AND A.IS_DISABLED<>1
--AND OS.name='book'
ORDER BY tablename,ixname
OPEN IX_Cursor
FETCH NEXT FROM IX_Cursor INTO @Objectid,@Indexid,@schemaname,@tablename,@ixname,@avg_fip
WHILE @@FETCH_STATUS=0
BEGIN
IF @avg_fip<30.0
SET @command=N'ALTER INDEX '+@ixname+N' ON '+@schemaname+N'.'+ @tablename+N' REORGANIZE ';
IF @avg_fip>=30.0 AND @Indexid=1
BEGIN
IF EXISTS (SELECT * FROM SYS.columns WHERE OBJECT_ID=@Objectid AND max_length in(-1,16))
SET @command=N'ALTER INDEX '+@ixname+N' ON '+@schemaname+N'.'+ @tablename+N' REBUILD ';
ELSE
SET @command=N'ALTER INDEX '+@ixname+N' ON '+@schemaname+N'.'+ @tablename+N' REBUILD '+N' WITH (ONLINE = ON)';
END
IF @avg_fip>=30.0 AND @Indexid>1
BEGIN
IF EXISTS (SELECT * FROM SYS.index_columns IC INNER JOIN SYS.columns CS ON CS.OBJECT_ID=IC.OBJECT_ID AND CS.column_id=IC.column_id
WHERE IC.OBJECT_ID=@Objectid AND IC.index_id=@Indexid AND CS.max_length in(-1,16) )
SET @command=N'ALTER INDEX '+@ixname+N' ON '+@schemaname+N'.'+ @tablename+N' REBUILD ';
ELSE
SET @command=N'ALTER INDEX '+@ixname+N' ON '+@schemaname+N'.'+ @tablename+N' REBUILD '+N' WITH (ONLINE = ON)';
END
--PRINT @command
EXEC(@command)
FETCH NEXT FROM IX_Cursor INTO @Objectid,@Indexid,@schemaname,@tablename,@ixname,@avg_fip
END
CLOSE IX_Cursor
DEALLOCATE IX_Cursor
