写了一个POJO

@Table("t_nodeInfo")
public class NodeInfo {
	@Id
	int nodeInfo_id;
	@Column
	int entity_id;
	@Column
	Date record_time;
	@Many(target = CPUInfo.class, field = "nodeInfo_id")
	LinkedList<CPUInfo> cpus;

我先insert一个空的nodeinfo，然后给他的cpus传值，再update，并没有卵用