Monday, December 18, 2006

How to trace the sql server statements that get executed when you don't have sql tools installed, specifically Sql Profiler because you are running msde or sql express.

Problem:
How to trace the sql server statements that get executed when you don't have sql tools installed, specifically Sql Profiler because you are running msde or sql express.

Solution:

1. Create this stored procedure:
CREATE proc trace_build @traceini nvarchar (245) = N'C:\ActivityTrace.ini' as
declare @traceid int, @options int, @tracefile nvarchar (245), @maxfilesize bigint
, @stoptime datetime, @minMBfree bigint, @rc int, @on bit, @cmd1 nvarchar(512)
, @events varchar(512), @columns varchar(512), @event int, @column int, @estart int, @enext int
, @cstart int, @cnext int, @le int, @lc int, @filter nvarchar(245), @filter_num int
create table #t1 ([c1] nvarchar(512))
set @cmd1 = 'bulk insert #t1 FROM '''
select @cmd1 + @traceini
exec (@cmd1 + @traceini + '''')
select @tracefile = cast(rtrim(ltrim(substring(c1,charindex('=',c1,1)+1,len(c1)))) as nvarchar (245)) from #t1 where left(c1,3) = '@tr'
select @maxfilesize = cast(rtrim(ltrim(substring(c1,charindex('=',c1,1)+1,len(c1)))) as bigint) from #t1 where left(c1,3) = '@ma'
select @stoptime = cast(rtrim(ltrim(substring(c1,charindex('=',c1,1)+1,len(c1)))) as datetime) from #t1 where left(c1,3) = '@st'
select @options = cast(rtrim(ltrim(substring(c1,charindex('=',c1,1)+1,len(c1)))) as int) from #t1 where left(c1,3) = '@op'
select @events=cast(ltrim(rtrim(substring(c1,charindex('=',c1,1)+1,len(c1)))) as nvarchar (512)) from #t1 where left(c1,3) = N'@ev'
select @columns=cast(ltrim(rtrim(substring(c1,charindex('=',c1,1)+1,len(c1)))) as nvarchar (512)) from #t1 where left(c1,3) = N'@co'
set @on = 1
set @traceid = 0
select @tracefile
SELECT @traceid = traceid FROM :: fn_trace_getinfo(0) where property = 2 and value = @tracefile
if @traceid != 0 goto finish
set @cmd1 = 'if exist ' + @tracefile + '.trc ' + 'del ' + @tracefile + '*.trc'
exec @rc = master.dbo.xp_cmdshell @cmd1, no_output
exec @rc = sp_trace_create @traceid output, @options, @tracefile, @maxfilesize, @stoptime

select @estart = 1
select @enext = charindex(',',@events,@estart)
select @cstart = 1
select @cnext = charindex(',',@columns,@cstart)
set @le = len(@events)
set @lc = len(@columns)
while @enext > 0
begin
select @event = cast(substring(@events,@estart,@enext-@estart) as int)
while @cnext > 0
begin
select @column = cast(substring(@columns,@cstart,@cnext-@cstart) as int)
exec sp_trace_setevent @traceid, @event, @column, @on
select @cstart = @cnext + 1
select @cnext = charindex(',',@columns,@cstart)
if @cnext = 0 set @cnext = @lc + 1
if @cstart >@lc set @cnext = 0
end
select @cstart = 1
select @cnext = charindex(',',@columns,@cstart)
select @estart = @enext + 1
select @enext = charindex(',',@events,@estart)
if @enext = 0 set @enext = @le + 1
if @estart > @le set @enext = 0
end
set @cmd1 = 'exec sp_trace_setfilter '
set @filter = N'none'
select @filter = cast(ltrim(rtrim(substring(c1,charindex('=',c1,1)+1,len(c1)))) as nvarchar (245))
from #t1
where cast(ltrim(rtrim(substring(c1,1,charindex('=',c1,1)-1))) as nvarchar (245)) = N'@filter1'
set @filter_num = 1
while @filter != N'none'
begin
exec (@cmd1 + @traceid + ','+@filter)
set @filter_num = @filter_num + 1
set @filter = N'none'
select @filter = cast(ltrim(rtrim(substring(c1,charindex('=',c1,1)+1,len(c1)))) as nvarchar (245)) from #t1
where cast(ltrim(rtrim(substring(c1,1,charindex('=',c1,1)-1))) as nvarchar (245)) = N'@filter' + cast(@filter_num as nvarchar(3))
select @filter
end
finish:
drop table #t1
exec sp_trace_setstatus @traceid, 1

2. Create INI file
@tracefile = C:\ActivityTrace
@maxfilesize = 50
@stoptime = 2010-12-31 12:00:00.000
@options = 2
@events = 10,11,12,13,16,17,19,33,42,43,55
@columns = 1,2,3,6,9,10,11,12,13,14,15,16,17,18,25
@filter1 = 10, 0, 7, N'SQL Profiler'

*REMEMBER TO CHANGE THE @stoptime

2. Run the trace by running the following sql:
trace_build 'c:\Trace1.ini'

3. Look at the resulting .trc file by running the following sql

select * from ::fn_trace_gettable('C:\ActivityTrace.trc', default)

See these pages for more details:
http://support.microsoft.com/kb/283790

http://support.microsoft.com/kb/283786/EN-US/

http://www.dbazine.com/sql/sql-articles/larsen6

Keywords:express msde profiler server sql trace

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