Hi dear engineers, I have one question: does flink streaming support getting the state.I override the open method in the map processor,initializing Hi dear engineers,
One small question: does flink sql support UDTAGG? (user-defined table aggregate function), seems only supported in flink table api? If not supported in flink sql, how can I define an aggregated udf which could output multiple rows to kafka. Thanks for your help! Thanks for your help!