grivers
Posts: 28
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| Posted: 08/21/2008, 7:39 AM |
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Is there an easy way of recording changes made by a user to a record form. In other words I have a page that I use just to edit existing records and I want to be able to add an audit trail so I know what user has changed any of the detail on the form and what they changed?
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Trigger
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| Posted: 08/22/2008, 8:11 PM |
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If your database supports triggers, then it can be implemented in the
database itself. Most
relational databases like MSSQLServer, DB2, and Oracle have it built in but
I think that
triggers are the easiest route.
Tim
"grivers" <grivers@forum.codecharge> wrote in message
news:648ad7e15682b4@news.codecharge.com...
> Is there an easy way of recording changes made by a user to a record form.
> In
> other words I have a page that I use just to edit existing records and I
> want to
> be able to add an audit trail so I know what user has changed any of the
> detail
> on the form and what they changed?
> ---------------------------------------
> Sent from YesSoftware forum
> http://forums.yessoftware.com/
>
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wkempees
Posts: 1679
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| Posted: 08/23/2008, 9:08 AM |
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What do you want to register, besides user/ip/date/time:
1:the record before and after
2:the changed fields only
3 the changed fields as well as ther before and after values.
see this post: http://forums.codecharge.com/posts.php?post_id=99822
in which a function is used to do something other than you request but it does offer the (a)solution to getting the 'before' values.
You could do almost 80% of what is posted there, just in stead of doing a geocode, write a logging row.
(hm, and add the ASP specific transformations)
Walter
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Benjamin Krajmalnik
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| Posted: 08/23/2008, 6:05 PM |
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I would probabl make an XML representation of the record, so it is global as
far as structure and unaffected by any future structure changes.
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marcwolf
Posts: 361
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| Posted: 08/24/2008, 1:59 AM |
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As mentioned before - the easiest way to implement an audit trail is to use triggers on the database side.
The advantage of this is that it will work regardless of how the information was changes. If someone tried SQL injection the suste will still work.
The next question is WHAT do you want to log.
If there are only several key fields then you can just watch for changes in these fields and write an audit record if requires.
The next is a little more ambitious - full record image auditing.
In the before update you run a started procedure that writes (usually to a seperate DB for additional security) a copy of the record you are updating complte with a 'Premod' flag.
In the After Update trigger you d the same except not write the updated record with the 'Postmod' flag.
This way you can see anything and everything that has been changed for each row.
I have implemented both with considerable success.
Take care
Dave
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grivers
Posts: 28
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| Posted: 08/26/2008, 1:36 AM |
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Thanks to all that have posted replies thus far.
I am using MS access so not sure how Triggers can be implemented.
I don't need to log what fields have changed and what they changed to/from.
What I am trying to acheive is a log against each record so when you go into edit record you view a history of the changes to the record. So when you go into the record and edit it then press submit the log is updated with the user id, user name and the date the record was edited. Don't need any more info than that at this stage.
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Oper
Posts: 1195
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| Posted: 08/26/2008, 5:35 AM |
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MS Access dont use trigger at least till version 2007
one easy choice is (of course without knowing you code logic)
Create 1 Function
SecurityLog("E",IDrecord,Comment)
U=Edit, D=Delete, I=Inser, V=View
On before delete event
SecurityLog("D",IDRecord,"Any Comment Here")
On Update Event
SecurityLog("U",IDRecord,"Any Comment Here")
so you just need to create a Small function that you coudl use anywhere and whoe ver you wnated inserting any comment you want if needit
so in the function just generate some SQL like this:
INSERT INTO SECURITYLOG (Fecha,FechaSmall,ProgramName,UserLog,Description,Tipolog,IPString) VALUES (.
value for MSAcces both Fecha(Date Value) by defaultr MSaccess allow more than one Date
value as Default
Programa name are eassy to get from teh server
Userlog is ccgetuserid() or ccuserlogin() who ever you like
Description is whaever you want
Tipolog = U,D,E,I
and IP string getting from server.
very simple, but this is one way there are a lot.
Trigger normaly is tyhe best choice for all my Project i use Both always
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