Re: How to implement grouping set in stream

2019-09-19 Thread Dian Fu
AFAIK, grouping sets has already been supported for streaming in blink planner. You could check FLINK-12192 for details. Regards, Dian > 在 2019年9月10日，下午6:51，刘建刚 写道： > > I want to implement grouping set in stream. I am new to flink sql. I > want to find a example to teach me how to self

How to implement grouping set in stream

2019-09-10 Thread 刘建刚
I want to implement grouping set in stream. I am new to flink sql. I want to find a example to teach me how to self define rule and implement corresponding operator. Can anyone give me any suggestion?