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Broadcast????????????[1]??open??????????????open?????? [1]https://ci.apache.org/projects/flink/flink-docs-stable/dev/stream/state/broadcast_state.html Best, Yichao Yang ------------------ ???????? ------------------ ??????: "zjfpla...@hotmail.com"<zjfpla...@hotmail.com>; ????????: 2020??6??10??(??????) ????9:16 ??????: "1048262223"<1048262...@qq.com>; ????: "user-zh"<user-zh@flink.apache.org>; ????: ????: ??????flink???????????????? ?????????????????????????????? zjfpla...@hotmail.com ???????? 1048262223 ?????????? 2020-06-09 20:17 ???????? user-zh ?????? ??????flink???????????????? Hi ????rich function????open????????????????????????????????????????????broadcast?? Best, Yichao Yang ------------------&nbsp;????????&nbsp;------------------ ??????:&nbsp;"zjfpla...@hotmail.com"<zjfpla...@hotmail.com&gt;; ????????:&nbsp;2020??6??9??(??????) ????8:14 ??????:&nbsp;"user-zh"<user-zh@flink.apache.org&gt;; ????:&nbsp;flink???????????????? hi?? &nbsp;&nbsp;&nbsp; ????flink?????????????????????????????????????????????? &nbsp;&nbsp;&nbsp; ??????????????flink??????????????????????????????????????????????????????sink??source???????????????????????????????????????? zjfpla...@hotmail.com