我可能有一个非常简单的问题。我已经开始学习如何分析MSSQL数据库，并且我已经创建了跟踪模板。
作为测试，我试图调用一个简单的存储过程，其中只有一个函数调用。
当我运行程序并检查跟踪时，会列出7个事件。但是，我可以看到事件Showplan XML和SP：Conpleted两次该功能。第一个SP的持续时间：已完成为0，第二个为2。
我的问题是，当存储过程中只调用一次函数本身时，为什么这些事件会为该函数列出两次？
/****************************************************/
/* Created by: SQL Server 2008 R2 Profiler */
/* Date: 10/04/2014 07:18:07 PM */
/****************************************************/
-- Create a Queue
declare @rc int
declare @TraceID int
declare @maxfilesize bigint
set @maxfilesize = 5
-- Please replace the text InsertFileNameHere, with an appropriate
-- filename prefixed by a path, e.g., c:\MyFolder\MyTrace. The .trc extension
-- will be appended to the filename automatically. If you are writing from
-- remote server to local drive, please use UNC path and make sure server has
-- write access to your network share
exec @rc = sp_trace_create @TraceID output, 0, N'InsertFileNameHere', @maxfilesize, NULL
if (@rc != 0) goto error
-- Client side File and Table cannot be scripted
-- Set the events
declare @on bit
set @on = 1
exec sp_trace_setevent @TraceID, 122, 1, @on
exec sp_trace_setevent @TraceID, 122, 25, @on
exec sp_trace_setevent @TraceID, 122, 2, @on
exec sp_trace_setevent @TraceID, 122, 10, @on
exec sp_trace_setevent @TraceID, 122, 14, @on
exec sp_trace_setevent @TraceID, 122, 34, @on
exec sp_trace_setevent @TraceID, 122, 11, @on
exec sp_trace_setevent @TraceID, 122, 35, @on
exec sp_trace_setevent @TraceID, 122, 51, @on
exec sp_trace_setevent @TraceID, 122, 12, @on
exec sp_trace_setevent @TraceID, 122, 29, @on
exec sp_trace_setevent @TraceID, 10, 15, @on
exec sp_trace_setevent @TraceID, 10, 16, @on
exec sp_trace_setevent @TraceID, 10, 48, @on
exec sp_trace_setevent @TraceID, 10, 1, @on
exec sp_trace_setevent @TraceID, 10, 17, @on
exec sp_trace_setevent @TraceID, 10, 2, @on
exec sp_trace_setevent @TraceID, 10, 10, @on
exec sp_trace_setevent @TraceID, 10, 18, @on
exec sp_trace_setevent @TraceID, 10, 34, @on
exec sp_trace_setevent @TraceID, 10, 11, @on
exec sp_trace_setevent @TraceID, 10, 35, @on
exec sp_trace_setevent @TraceID, 10, 51, @on
exec sp_trace_setevent @TraceID, 10, 12, @on
exec sp_trace_setevent @TraceID, 10, 13, @on
exec sp_trace_setevent @TraceID, 10, 14, @on
exec sp_trace_setevent @TraceID, 43, 15, @on
exec sp_trace_setevent @TraceID, 43, 48, @on
exec sp_trace_setevent @TraceID, 43, 1, @on
exec sp_trace_setevent @TraceID, 43, 10, @on
exec sp_trace_setevent @TraceID, 43, 34, @on
exec sp_trace_setevent @TraceID, 43, 11, @on
exec sp_trace_setevent @TraceID, 43, 35, @on
exec sp_trace_setevent @TraceID, 43, 51, @on
exec sp_trace_setevent @TraceID, 43, 12, @on
exec sp_trace_setevent @TraceID, 43, 13, @on
exec sp_trace_setevent @TraceID, 43, 29, @on
exec sp_trace_setevent @TraceID, 43, 14, @on
exec sp_trace_setevent @TraceID, 12, 15, @on
exec sp_trace_setevent @TraceID, 12, 16, @on
exec sp_trace_setevent @TraceID, 12, 48, @on
exec sp_trace_setevent @TraceID, 12, 1, @on
exec sp_trace_setevent @TraceID, 12, 17, @on
exec sp_trace_setevent @TraceID, 12, 10, @on
exec sp_trace_setevent @TraceID, 12, 14, @on
exec sp_trace_setevent @TraceID, 12, 18, @on
exec sp_trace_setevent @TraceID, 12, 11, @on
exec sp_trace_setevent @TraceID, 12, 35, @on
exec sp_trace_setevent @TraceID, 12, 51, @on
exec sp_trace_setevent @TraceID, 12, 12, @on
exec sp_trace_setevent @TraceID, 12, 13, @on
exec sp_trace_setevent @TraceID, 13, 12, @on
exec sp_trace_setevent @TraceID, 13, 1, @on
exec sp_trace_setevent @TraceID, 13, 10, @on
exec sp_trace_setevent @TraceID, 13, 14, @on
exec sp_trace_setevent @TraceID, 13, 11, @on
exec sp_trace_setevent @TraceID, 13, 35, @on
exec sp_trace_setevent @TraceID, 13, 51, @on
-- Set the Filters
declare @intfilter int
declare @bigintfilter bigint
exec sp_trace_setfilter @TraceID, 10, 0, 7, N'SQL Server Profiler - xxxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx'
exec sp_trace_setfilter @TraceID, 35, 0, 6, N'xxxxxxxx'
-- Set the trace status to start
exec sp_trace_setstatus @TraceID, 1
-- display trace id for future references
select TraceID=@TraceID
goto finish
error:
select ErrorCode=@rc
finish:
go
感谢。