[Feature][state] seatunnel 如何实现自定义状态

[Xuzhengz]

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seatunnel 如何实现自定义状态

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[Carl-Zhou-CN]

hi，@Xuzhengz In what context does he need to apply it

[oomgomgxx]

hi，@Xuzhengz In what context does he need to apply it

譬如用作周期性sql增量查询的依据。 参考logstash：https://www.elastic.co/guide/en/logstash/current/plugins-inputs-jdbc.html#_predefined_parameters

seatunnel能实现同样的功能？