我已经设置了SQL Server扩展事件赶过去1000次失败的特定数据库查询到一个环形缓冲区:在SQL Server扩展会话中捕获传递的参数值?
Create Event Session [Errors] on Server
Add Event sqlserver.error_reported (
Action(
sqlos.task_time,
sqlserver.sql_text
)
Where sqlserver.database_name=N'MyDatabase'
And error_number<>5701 -- Ignore changed db context messages
)
Add target package0.ring_buffer(Set max_memory=102400)
With (
MAX_MEMORY=4096 KB,
EVENT_RETENTION_MODE=ALLOW_SINGLE_EVENT_LOSS,
MAX_DISPATCH_LATENCY=30 SECONDS,
MAX_EVENT_SIZE=0 KB,
MEMORY_PARTITION_MODE=NONE,
TRACK_CAUSALITY=OFF,
STARTUP_STATE=ON
)
Go
我现在可以查询这些错误,像这样:
Select
xmldata = Cast(xet.target_data as xml)
Into #rbd
From sys.dm_xe_session_targets xet
Join sys.dm_xe_sessions xe ON (xe.address = xet.event_session_address)
Where xe.name='errors' and target_name='ring_buffer'
; With Errors as (
Select
e.query('.').value('(/event/@timestamp)[1]', 'datetime') as "TimeStamp",
e.query('.').value('(/event/data[@name="message"]/value)[1]', 'nvarchar(max)') as "Message",
e.query('.').value('(/event/action[@name="sql_text"]/value)[1]', 'nvarchar(max)') as "SqlText",
e.query('.').value('(/event/action[@name="task_time"]/value)[1]', 'bigint')/@@TIMETICKS as "Duration"
From #rbd
Cross Apply XMLData.nodes('/RingBufferTarget/event') as Event(e)
)
Select * from Errors
Where SqlText is not null
Drop Table #rbd
到目前为止,一切都很好:
这已经在错误的塔追查详细一个很大的帮助不会被抛到应用程序级别。
将使其更加有用什么,不过,是如果我们能看到被传递到这些查询的参数值,在SQL事件探查器的方式就可以了。所以当我们看到这样的错误...
Conversion failed when converting date and/or time from character string.
这个SQL ...
(@NewValue nvarchar(10),@KeyValue int)
Update SomeTable
Set [email protected] Where [email protected]
...这将是信息知道什么是@NewValue
和@KeyValue
参数的值分别为。
在那里可以找到这些信息的任何想法?
这可能/可能无法帮助:http://www.brentozar.com/archive/2013/08/what-queries-are-failing-in-my-sql-server/ – Tanner
@Tanner - 不,没什么有关于参数。 –
我会建议使用[SQL Server Profiler](http://msdn.microsoft.com/zh-cn/library/ms181091.aspx)。 – Brian