Commitment Control, need HELP!

[ehoh]

I need help on how to use commitment control in clipper.
Never use this before, but now think of want to implement in my application since have some problem. I found the COMMIT command but unable to found the roll back command.
Can somebody give me an example? (for 2 database files....)
Thanks!

 

[TonHu]

Clipper doesn't have a native transaction management mechanism. Alternatively you could use Advantage xBase Server or another RDD that supports transactions, with proprietary calls ofcourse, to get what you want.

The Clipper COMMIT statement is only meant to 'commit all you changes to disk'. According to the Norton Guide this has some limitiations.
> In DOS youl'd almost be sure all data is written to disk.
> In Windows DOS-box it depends on the caching mechanism of the underlying windows version, meaning you can't know for sure data is actually written to disk, unless you could force windows to flush it caches ;-) I don't know how to force that, maybe somone else does?

HTH
TonHu