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----------Drop table named temp if it exists----------------
IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[temp]') AND type in (N'U'))
DROP TABLE [dbo].[temp]


------------Create a tenp table to keep the information about existing XML indexes------------
Create table Temp (object_id int, index_id int, object_name varchar(256), IndexName nvarchar(256),Name nvarchar(256),
Secondary_type_desc nvarchar (240),Secondary_type char(1),Using_Xml_index_id int)


------------Insert XML index information into temp table----------------
Insert Into Temp
SELECT i.object_id,i.index_id,object_name(i.object_id)as object_name, i.name as IndexName
,c.name,i.Secondary_type_desc,i.Secondary_type,i.using_xml_index_id 
FROM sys.xml_indexes AS i
INNER JOIN sys.index_columns AS ic 
ON i.object_id = ic.object_id AND i.index_id = ic.index_id
INNER JOIN sys.columns AS c 
ON ic.object_id = c.object_id AND c.column_id = ic.column_id
Order by i.index_id



-------------Adding a new column for Manipulation------------
Alter table temp add IndName varchar(256) NULL;


-------------Updating value in column for Manipulation------------

Update Temp Set Secondary_type_desc = 'APRIMARY' Where Secondary_type_desc IS NULL



-------------Updating value in column for Manupilation------------

Update a set a.IndName = b.IndexName from temp a inner join temp b on a.using_xml_index_id = b.index_id and a.object_id = b.object_id



-------------Set Ansi_padding ON to create XML indexes------------

Set Ansi_Padding ON



--------Cursor to Drop existing XML Indexes------------

DECLARE XMLIndexDrop CURSOR 
READ_ONLY
FOR select 'Drop Index '+ IndexName +' on '+Object_name from temp where Secondary_type is null
DECLARE @DropString varchar(400)

OPEN XMLIndexDrop
FETCH NEXT FROM XMLIndexDrop INTO @DropString
WHILE (@@fetch_status <> -1)
BEGIN
IF (@@fetch_status <> -2)
BEGIN
exec(@DropString)
PRINT @DropString
END
FETCH NEXT FROM XMLIndexDrop INTO @DropString
END

CLOSE XMLIndexDrop

DEALLOCATE XMLIndexDrop
GO



--------Cursor to Create XML Indexes-------------

DECLARE XMLIndexCreate CURSOR 
READ_ONLY 
FOR Select 'CREATE ' + Case when Secondary_type_desc = 'APRIMARY' then 'PRIMARY XML'
Else 'XML' END + ' INDEX ' + IndexName +' on ' + object_name + ' ('+name+')'
+ Case when Secondary_type_desc = 'APRIMARY' then ''
Else ' USING XML INDEX ' + IndName + ' FOR ' + Secondary_type_desc END 
From Temp Order By Secondary_type_desc Asc

DECLARE @CreateString varchar(400)
OPEN XMLIndexCreate

FETCH NEXT FROM XMLIndexCreate INTO @CreateString 
WHILE (@@fetch_status <> -1)
BEGIN
IF (@@fetch_status <> -2)
BEGIN
exec(@CreateString )
PRINT @CreateString 
END
FETCH NEXT FROM XMLIndexCreate INTO @CreateString 
END


CLOSE XMLIndexCreate
DEALLOCATE XMLIndexCreate
GO


--------Closing the cursor--------------


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