private static IAlterUserAction SetAccount(PlSqlParser.SetAccountActionContext context)
{
UserStatus status;
if (context.LOCK() != null) {
status = UserStatus.Locked;
} else if (context.UNLOCK() != null) {
status = UserStatus.Unlocked;
} else {
throw new ParseCanceledException();
}
return new SetAccountStatusAction(status);
}