脚本：SQLServer 2008 生成某数据库中的所有索引创建脚本

--1. get all indexes from current db, place in temp table

select

schemaName = s.name,

tablename = object_name(i.id),

tableid = i.id,

indexid = i.indid,

indexname = i.name,

i.status,

isunique = indexproperty (i.id,i.name,'isunique'),

isclustered = indexproperty (i.id,i.name,'isclustered'),

indexfillfactor = indexproperty (i.id,i.name,'indexfillfactor')

into #tmp_indexes

from sysindexes i

INNER JOIN    sys.tables t ON i.id = t.object_id

INNER JOIN    sys.schemas s ON t.schema_id = s.schema_id

where i.indid > 0 and i.indid < 255                      --not certain about this

and (i.status & 64) = 0                                 --existing indexes

--add additional columns to store include and key column lists

alter table #tmp_indexes add keycolumns varchar(4000), includes varchar(4000)

go

--################################################################################################

--2. loop through tables, put include and index columns into variables

declare @isql_key varchar(4000), @isql_incl varchar(4000), @tableid int, @indexid int

declare index_cursor cursor for

select tableid, indexid from #tmp_indexes

open index_cursor

fetch next from index_cursor into @tableid, @indexid

while @@fetch_status <> -1

begin

select @isql_key = '', @isql_incl = ''

select --i.name, sc.colid, sc.name, ic.index_id, ic.object_id, *

--key column

@isql_key = case ic.is_included_column 

when 0 then

case ic.is_descending_key 

when 1 then @isql_key + coalesce(sc.name,'') + ' DESC, '

else        @isql_key + coalesce(sc.name,'') + ' ASC, '

end

else @isql_key end,

--include column

@isql_incl = case ic.is_included_column 

when 1 then

case ic.is_descending_key 

when 1 then @isql_incl + coalesce(sc.name,'') + ', '

else @isql_incl + coalesce(sc.name,'') + ', '

end

else @isql_incl end

from sysindexes i

INNER JOIN sys.index_columns AS ic ON (ic.column_id > 0 and (ic.key_ordinal > 0 or ic.partition_ordinal = 0 or ic.is_included_column != 0)) AND (ic.index_id=CAST(i.indid AS int) AND ic.object_id=i.id)

INNER JOIN sys.columns AS sc ON sc.object_id = ic.object_id and sc.column_id = ic.column_id

where i.indid > 0 and i.indid < 255

and (i.status & 64) = 0

and i.id = @tableid and i.indid = @indexid

order by i.name, case ic.is_included_column when 1 then ic.index_column_id else ic.key_ordinal end

if len(@isql_key) > 1    set @isql_key   = left(@isql_key,  len(@isql_key) -1)

if len(@isql_incl) > 1   set @isql_incl  = left(@isql_incl, len(@isql_incl) -1)

update #tmp_indexes 

set keycolumns = @isql_key,

includes = @isql_incl

where tableid = @tableid and indexid = @indexid

fetch next from index_cursor into @tableid,@indexid

end

close index_cursor

deallocate index_cursor

--remove invalid indexes,ie ones without key columns

delete from #tmp_indexes where keycolumns = ''

--################################################################################################

--3. output the index creation scripts

set nocount on

--separator

select '---------------------------------------------------------------------'

--create index scripts (for backup)

SELECT  

'CREATE ' 

+ CASE WHEN ISUNIQUE    = 1 THEN 'UNIQUE ' ELSE '' END 

+ CASE WHEN ISCLUSTERED = 1 THEN 'CLUSTERED ' ELSE '' END 

+ 'INDEX [' + INDEXNAME + ']' 

+' ON [' + schemaName + '].[' + TABLENAME + '] '

+ '(' + keycolumns + ')' 

+ CASE 

WHEN INDEXFILLFACTOR = 0 AND ISCLUSTERED = 1 AND INCLUDES = '' THEN '' 

WHEN INDEXFILLFACTOR = 0 AND ISCLUSTERED = 0 AND INCLUDES = '' THEN ' WITH (ONLINE = ON)' 

WHEN INDEXFILLFACTOR <> 0 AND ISCLUSTERED = 0 AND INCLUDES = '' THEN ' WITH (ONLINE = ON, FILLFACTOR = ' + CONVERT(VARCHAR(10),INDEXFILLFACTOR) + ')'

WHEN INDEXFILLFACTOR = 0 AND ISCLUSTERED = 0 AND INCLUDES <> '' THEN ' INCLUDE (' + INCLUDES + ') WITH (ONLINE = ON)'

ELSE ' INCLUDE(' + INCLUDES + ') WITH (FILLFACTOR = ' + CONVERT(VARCHAR(10),INDEXFILLFACTOR) + ', ONLINE = ON)'  

END

FROM #tmp_indexes

where left(tablename,3) not in ('sys', 'dt_')   --exclude system tables

order by schemaName, tablename, indexid, indexname

set nocount off

drop table #tmp_indexes