how to enable retract?

Classic

List

2 messages Options

lec ssmi

Hi:

Is there an aggregation operation or window operation, the result is with retract characteristics?

Benchao Li

Re: how to enable retract?

FYI, the question has been answered in user-zh ML.

lec ssmi <[hidden email]> 于2020年4月23日周四下午2:57写道：

Hi:
Is there an aggregation operation or window operation, the result is with retract characteristics?

Benchao Li
School of Electronics Engineering and Computer Science, Peking University
Tel:+86-15650713730
Email: [hidden email]; [hidden email]