Hi
????????????????????????????????????[1] [1]https://ci.apache.org/projects/flink/flink-docs-master/zh/dev/stream/state/schema_evolution.html#pojo-%E7%B1%BB%E5%9E%8B Best, Yichao Yang ------------------ ???????? ------------------ ??????: "wangl...@geekplus.com.cn"<wangl...@geekplus.com.cn>; ????????: 2020??6??9??(??????) ????6:03 ??????: "user-zh"<user-zh@flink.apache.org>; ????: Flink State ?????????? state ???????????? ?????????????????? Flink State ???????? public class OrderState { private Integer warehouseId; private String orderNo; private String ownerCode; private Long inputDate; private int orderType; private int amount = 0; private int status = 0; ............. } ??????????????????????????????????????????????state ?????????????? ?????? flink run -s savepointdir ?????????????????????????? state ???? ?????? ???? wangl...@geekplus.com.cn