[オリジナル】SQL2005再ビルドインデックスストアドプロシージャ sp_rebuild_index

USE [master]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE proc [dbo]. [sp_rebuild_index] 
(
  @Rebuild_Fragmentation_Percent smallint = 5 -- when logical fragmentation percentage > 5% rebuild index
)
as
begin
  /* Call method.
  1. for the current instance of all databases: exec sys.sp_MSforeachdb 'use ? ;exec sp_rebuild_index'
  2. For the current database: exec sp_rebuild_index
  */
  
  --no re-organization of indexes and re-build indexes for the system database
  if (db_name() in ('master','model','msdb','tempdb')) return;  
  
  -- If the percentage of logical fragments (unordered pages in the index) <= 5%, do not reorganize the index and regenerate it
  if not exists(select 1 from sys.dm_db_index_physical_stats(db_id(),null,null,null,null,null) a where a.index_id>0 and a.avg_fragmentation_in_ percent > @Rebuild_Fragmentation_Percent) return
  
  
  print replicate('-',60)+char(13)+char(10)+replicate(' ',14)+N'perform index optimization on database ' +quotename(db_name())+N' +replicate(' ',20)+char(13)+char(10 )  
    
  declare @sql nvarchar(2000),@str nvarchar(2000)
  
  declare cur_x cursor for 
    select 'alter index '+quotename(a.name)+' on '+quotename(object_schema_name(a.object_id))+'.' +quotename(object_name(a.object_id))+' rebuild;' as [sql]
        ,N'regenerate index:' +quotename(object_schema_name(a.object_id))+'.' +quotename(object_name(a.object_id))+'.' +quotename(a.name) as [str]
      from sys.indexes a
        inner join sys.dm_db_index_physical_stats(db_id(),null,null,null,null,null) b on b.object_id=a.object_id
          and b.index_id=a.index_id  
      where a.index_id>0  
        and b.avg_fragmentation_in_percent > @Rebuild_Fragmentation_Percent
      order by object_name(a.object_id),a.index_id
      
  open cur_x
  fetch next from cur_x into @sql,@str  
  
  while (@@fetch_status = 0)
  begin
 print @sql
    exec(@sql)
 
    print @str
    fetch next from cur_x into @sql,@str  
      
  end
  close cur_x
  deallocate cur_x 
    
end