????streaming api ??????????????????????????sql api
????????????????????????????????????streaming api????????
------------------ ???????? ------------------
??????:
"user-zh"
<[email protected]>;
????????: 2022??3??9??(??????) ????2:47
??????: "user-zh"<[email protected]>;
????: Re: Flink????????????
????????????????????????????????????????????????????????????????state??
https://nightlies.apache.org/flink/flink-docs-master/docs/dev/datastream/fault-tolerance/state/
hjw <[email protected]> ??2022??3??9?????? 01:32??????
> ????????sql??SELECT color, sum(id) FROM T GROUP BY
>
colorFlink????????????????T????????????????????????????????????????????????????????????????????????????????????????????????????group
> by
key??color)??????????????????????????Flink???????????????????????????????????????????????????
