реиндексация ms sql 2008

declare @minRows int

set @minRows = 100


declare @reindexQuery nvarchar(max)


set @reindexQuery =

REPLACE(REPLACE(

cast(

(

select

'BEGIN TRY ALTER INDEX '+idx.name+' ON '+ sc.name+'.'+ t.name+

CASE

WHEN st.avg_fragmentation_in_percent > 30 THEN ' REBUILD WITH (ONLINE=ON) END TRY BEGIN CATCH ALTER INDEX '+idx.name+' ON '+ sc.name+'.'+ t.name+ ' REBUILD WITH (ONLINE=OFF) END CATCH;'

ELSE ' REORGANIZE END TRY BEGIN CATCH END CATCH;'

END as query


from sys.dm_db_index_physical_stats( DB_ID(),NULL,NULL,NULL,NULL) st

join sys.tables t on (st.object_id=t.object_id)

join sys.schemas sc on (sc.schema_id=t.schema_id)

join sys.indexes idx on (t.object_id=idx.object_id and st.index_id=idx.index_id)

join sys.partitions p on (p.index_id=idx.index_id and p.object_id=idx.object_id)

where p.rows > @minRows and st.avg_fragmentation_in_percent > 5

order by st.avg_fragmentation_in_percent desc

FOR XML PATH(''), TYPE

) as nvarchar(max))

,'',';

'),'','')


print @reindexQuery


exec (@reindexQuery)