/**
* Roll back to the given savepoint. This is only allowed if the transaction is open.
*
* @param savepointId the savepoint id
*/
public void rollbackToSavepoint(long savepointId) {
checkOpen();
store.rollbackTo(this, this.logId, savepointId);
this.logId = savepointId;
}
/**
* Roll a transaction back.
*
* @param t the transaction
* @param maxLogId the last log id
*/
void rollback(Transaction t, long maxLogId) {
rollbackTo(t, maxLogId, 0);
endTransaction(t);
}