Created
May 17, 2011 15:48
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Deeper reindex from MFST...not as good as my old one
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SET NOCOUNT ON; | |
DECLARE @tablename varchar(255); | |
DECLARE @execstr varchar(400); | |
DECLARE @objectid int; | |
DECLARE @indexid int; | |
DECLARE @frag decimal; | |
DECLARE @maxfrag decimal; | |
-- Decide on the maximum fragmentation to allow for. | |
SELECT @maxfrag = 30.0; | |
-- Declare a cursor. | |
DECLARE tables CURSOR FOR | |
SELECT TABLE_SCHEMA + '.' + TABLE_NAME | |
FROM INFORMATION_SCHEMA.TABLES | |
WHERE TABLE_TYPE = 'BASE TABLE'; | |
-- Create the table. | |
CREATE TABLE #fraglist ( | |
ObjectName char(255), | |
ObjectId int, | |
IndexName char(255), | |
IndexId int, | |
Lvl int, | |
CountPages int, | |
CountRows int, | |
MinRecSize int, | |
MaxRecSize int, | |
AvgRecSize int, | |
ForRecCount int, | |
Extents int, | |
ExtentSwitches int, | |
AvgFreeBytes int, | |
AvgPageDensity int, | |
ScanDensity decimal, | |
BestCount int, | |
ActualCount int, | |
LogicalFrag decimal, | |
ExtentFrag decimal); | |
-- Open the cursor. | |
OPEN tables; | |
-- Loop through all the tables in the database. | |
FETCH NEXT | |
FROM tables | |
INTO @tablename; | |
WHILE @@FETCH_STATUS = 0 | |
BEGIN | |
-- Do the showcontig of all indexes of the table | |
INSERT INTO #fraglist | |
EXEC ('DBCC SHOWCONTIG (''' + @tablename + ''') | |
WITH FAST, TABLERESULTS, ALL_INDEXES, NO_INFOMSGS'); | |
FETCH NEXT | |
FROM tables | |
INTO @tablename; | |
END; | |
-- Close and deallocate the cursor. | |
CLOSE tables; | |
DEALLOCATE tables; | |
-- Declare the cursor for the list of indexes to be defragged. | |
DECLARE indexes CURSOR FOR | |
SELECT ObjectName, ObjectId, IndexId, LogicalFrag | |
FROM #fraglist | |
WHERE LogicalFrag >= @maxfrag | |
AND INDEXPROPERTY (ObjectId, IndexName, 'IndexDepth') > 0; | |
-- Open the cursor. | |
OPEN indexes; | |
-- Loop through the indexes. | |
FETCH NEXT | |
FROM indexes | |
INTO @tablename, @objectid, @indexid, @frag; | |
WHILE @@FETCH_STATUS = 0 | |
BEGIN | |
PRINT 'Executing DBCC INDEXDEFRAG (0, ' + RTRIM(@tablename) + ', | |
' + RTRIM(@indexid) + ') - fragmentation currently ' | |
+ RTRIM(CONVERT(varchar(15),@frag)) + '%'; | |
SELECT @execstr = 'DBCC INDEXDEFRAG (0, ' + RTRIM(@objectid) + ',' + RTRIM(@indexid) + ')'; | |
--EXEC (@execstr); | |
FETCH NEXT | |
FROM indexes | |
INTO @tablename, @objectid, @indexid, @frag; | |
END; | |
-- Close and deallocate the cursor. | |
CLOSE indexes; | |
DEALLOCATE indexes; | |
-- Delete the temporary table. | |
DROP TABLE #fraglist; | |
GO |
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