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Real VFP Tablerevert()
Message
 
 
To
11/02/2008 22:12:43
General information
Forum:
Visual FoxPro
Category:
Databases,Tables, Views, Indexing and SQL syntax
Environment versions
Visual FoxPro:
VFP 9 SP1
OS:
Windows XP SP2
Network:
Windows 2003 Server
Database:
MySQL
Miscellaneous
Thread ID:
01291359
Message ID:
01291695
Views:
11
>Naomi,
>
>In DataSession 1, I created a VFP Cursor from a Cursoradapter which gets its data from a MySQL table. I have set all there is to set to make it updatable. Its Buffermodeoverride is 5 - optimistic table buffering. I then made modifications to this cursor - edits, deletions and appends.
>
>In the MySQL client, I intentionally locked some records in the server side.
>
>Back to DataSession 1. I issue TABLEUPDATE(.T.), which obviously failed. So, I issued a TABLEREVERT(.T.). NOT ALL records were reverted back to its original state. Those that were 'successfully sent' to the server could not be reverted back.
>
>I have no problem with the server side as I have put SQL sends to commit and rollback in the AfterCursorUpdate event.
>
>What I want to happen is an "all or nothing" scenario - if any record update fails, then none gets updated - in the VFP side.
>
>The workaround I did was to just do a CursorRefresh() to fetch back the original records. Is this the ONLY way?
>
>Thanks!
>
>Dennis
>
>
I see the problem, but I'm not sure of the answer since I only played with CA and local data. Can you use transactions in your scenario?
If it's not broken, fix it until it is.


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