-- alternatif index rebuild bu linkte mevcut http://www.symantec.com/business/support/index?page=content&id=TECH168905 -- alternatif index rebuild bu linkte mevcut http://www.symantec.com/business/support/index?page=content&id=TECH168905 USE DB_NAME GO SET NOCOUNT ON; DECLARE @objectid INT; DECLARE @indexid INT; DECLARE @partitioncount BIGINT; DECLARE @schemaname NVARCHAR(130); DECLARE @objectname NVARCHAR(130); DECLARE @indexname NVARCHAR(130); DECLARE @partitionnum BIGINT; DECLARE @partitions BIGINT; DECLARE @frag FLOAT; DECLARE @command NVARCHAR(4000); -- Conditionally --Select tables AND indexes FROM the sys.dm_db_index_physical_stats FUNCTION -- and convert object and index IDs to names. SELECT object_id AS objectid, index_id AS indexid, partition_number AS partitionnum, avg_fragmentation_in_percent AS frag INTO #work_to_do FROM sys.dm_db_index_physical_stats (DB_ID(),NULL,NULL , NULL,'LIMITED') WHERE avg_fragmentation_in_percent > 5.0 AND index_id > 0; -- Declare the cursor for the list of partitions to be processed. DECLARE partitions CURSOR FOR SELECT * FROM #work_to_do; -- Open the cursor. OPEN partitions; -- Loop through the partitions. WHILE (1 = 1) BEGIN;
FETCH NEXT FROM partitions INTO @objectid, @indexid, @partitionnum, @frag;
IF @@FETCH_STATUS < 0 BREAK;
SELECT @objectname = QUOTENAME(o.name), @schemaname = QUOTENAME(s.name) FROM sys.objects AS o JOIN sys.schemas AS s ON s.schema_id = o.schema_id WHERE o.object_id = @objectid;
SELECT @indexname = QUOTENAME(name) FROM sys.indexes WHERE object_id = @objectid AND index_id = @indexid;
SELECT @partitioncount = COUNT (*) FROM sys.partitions WHERE object_id = @objectid AND index_id = @indexid; -- 10 is an arbitrary decision point at which to switch between reorganizing and rebuilding. IF @frag < 29.0 SET @command = N'ALTER INDEX ' + @indexname + N' ON ' + @schemaname + N'.' + @objectname + N' REORGANIZE';
IF @frag >= 30.0 SET @command = N'ALTER INDEX ' + @indexname + N' ON ' + @schemaname + N'.' + @objectname + N' REBUILD';
IF @partitioncount > 1 SET @command = @command + N' PARTITION=' + CAST(@partitionnum AS NVARCHAR(10));
EXEC (@command);
PRINT N'Executed: ' + @command;
END; -- Close and deallocate the cursor. CLOSE partitions;
DEALLOCATE partitions; -- Drop the temporary table. DROP TABLE #work_to_do;
