Hello Hequn,
Thanks for the answers.
Regarding question no.2, I am now clear.
Regarding question no.1, does your answer apply to those custom states as
well? This concern of mine came from Flink's implementation of CountTrigger,
in which a custom state is being cleared explicitly in Trigger.clear():
/ public void clear(W window, TriggerContext ctx) throws Exception {
ctx.getPartitionedState(stateDesc).clear();
}
/
My 3rd question was for ordinary, non-windowed keyed streams, where I don't
see in Flink's document any mention of using Trigger, so how can I clear
those streams?
Thank you very much for your help.
Regards,
Averell
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