Yes. The retract message will be generated first, then the new result.
lec ssmi 于2020年5月18日周一 下午3:00写道：
> Hi:
> When encountering Retract, there was a following sql :
> *select count(1) count, word group by word*
>
> Suppose the current aggregation result is :
>* 'hello'->3*
> When
Hi:
When encountering Retract, there was a following sql :
*select count(1) count, word group by word*
Suppose the current aggregation result is :
* 'hello'->3*
When there is record to come again, the count of 'hello' will be changed to
4.
The following two records will be generated i
