public Set<R> getInsertedRecords() {
		if(this.insertNum == 0) {
			return new HashSet<>();
		}
		HashSet<R> dataSet = new HashSet<>();
		for(R record: this.changedRecords) {
			if(this.recordStatuses.get(record) == RecordStatus.NEW) {
				dataSet.add(record);
			}
		}
		return dataSet;
	}