实战:sqlserver2012扩展事件-XML转换为标准的table格式

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和2008 R2有小区别

CREATE EVENT SESSION [test] ON SERVER
ADD EVENT sqlserver.sql_statement_completed
(SET collect_statement=(1)
ACTION
(
sqlserver.client_app_name,
sqlserver.client_hostname,
sqlserver.database_id,
sqlserver.database_name,
sqlserver.sql_text,sqlserver.username
)
WHERE ([cpu_time]>(10000))
)
ADD TARGET package0.asynchronous_file_target
(
SET filename='s:\monitor\test.xel',
metadatafile='s:\monitor\test.xem'
)
WITH
(
MAX_MEMORY=1048576 KB,
STARTUP_STATE=ON
)
GO

?

--SELECT *, CAST(event_data as XML) AS 'event_data_XML'
--FROM sys.fn_xe_file_target_read_file
--(
--'s:\monitor\test*.xel',
-- 's:\monitor\test*.xem', NULL, NULL
-- );

IF EXISTS ( SELECT *
FROM tempdb.dbo.sysobjects
WHERE id = OBJECT_ID(N'tempdb..#MyData')
AND type = 'U' )
DROP TABLE #MyData
go

CREATE TABLE #MyData
(
database_id INT NOT NULL ,
username NVARCHAR(100) NOT NULL,
client_hostname NVARCHAR(100) NOT NULL,
client_app_name NVARCHAR(100) NOT NULL,
sql_text NVARCHAR(MAX) NOT NULL ,
cpu_time INT NOT NULL
)
go

DECLARE @xmlData XML
DECLARE @xmlString NVARCHAR(MAX)
DECLARE @database_id INT
DECLARE @username NVARCHAR(100)
DECLARE @client_hostname NVARCHAR(100)
DECLARE @client_app_name NVARCHAR(100)
DECLARE @sql_text NVARCHAR(MAX)
DECLARE @cpu_time INT

DECLARE myCur CURSOR READ_ONLY
FOR
SELECT TOP 200 event_data --CAST(event_data AS XML)
FROM sys.fn_xe_file_target_read_file

('s:\monitor\test*.xel',
's:\monitor\test*.xem',NULL,NULL)

OPEN myCur

FETCH NEXT FROM myCur INTO @xmlString

WHILE @@FETCH_STATUS = 0

BEGIN
BEGIN TRY
SET @xmlData = CAST(@xmlString AS XML)
--set @cpu = 0
--获取cpu
SET @cpu_time = @xmlData.query('//data[@name="cpu_time"]/value').value('(value)[1]',
'INT')

--获取database_id
SET @database_id = @xmlData.query('//action[@name="database_id"]/value').value('(value)[1]',
'INT')
--获取username
SET @username = @xmlData.query('//action[@name="username"]/value').value('(value)[1]',
'NVARCHAR(100)')
--获取hostname
SET @client_hostname = @xmlData.query('//action[@name="client_hostname"]/value').value('(value)[1]',
'NVARCHAR(100)')

--获取client_app_name
SET @client_app_name = @xmlData.query('//action[@name="client_app_name"]/value').value('(value)[1]',
'NVARCHAR(100)')

--获取sql_text
SET @sql_text = @xmlData.query('//action[@name="sql_text"]/value').value('(value)[1]',
'NVARCHAR(MAX)')

--开始插入数据
INSERT #MyData
( database_id,
sql_text,
username,
client_hostname,
client_app_name,
cpu_time )
VALUES ( @database_id, -- database_id - int
@sql_text, -- sql_text - nvarchar(max)
@username,
@client_hostname,
@client_app_name,
@cpu_time
)
END TRY
BEGIN CATCH
END CATCH

FETCH NEXT FROM myCur INTO @xmlString
END
CLOSE myCur
DEALLOCATE myCur

?

SELECT b.name,a.username,a.client_hostname,A.client_app_name,a.sql_text,a.cpu_time FROM #MyData AS a
inner join sys.databases as b
on a.database_id=b.database_id
order by a.cpu_time desc
go

?