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The FairCom Server uses the ReplaceSavePoint() function internally to provide a fast, efficient means to carry along a save point in large transactions, so that an error can be undone by calling RestoreSavePoint() and then continuing the transaction. Compared to SetSavePoint(), which inserts a separate save point for each call, ReplaceSavePoint() simply updates some pre-image space links to effectively move the save point.
The ReplaceSavePoint() API call is now included in the c-tree client API. If your c-tree application needs the ability to undo only the last change in a transaction consider using ReplaceSavePoint().
