hi, How can I count the element in datastream? I don't want the keyBy().
- How can I count the element in datastream 邓俊华
- Re: How can I count the element in datastream Tzu-Li (Gordon) Tai
- 回复：How can I count the element in datastream 邓俊华
hi, How can I count the element in datastream? I don't want the keyBy().