Thanks. It works. I missed it while reading the document.
Timo Walther 于 2018年3月5日周一 下午9:20写道：
> Hi Bill,
>
> you can use HOP_ROWTIME()/HOP_PROCTIME() to propagate the time attribute
> to the outer query. See also [1] for an example.
>
> Regards,
> Timo
>
> [1]
> https://ci.apache.org/projects/f
Hi Bill,
you can use HOP_ROWTIME()/HOP_PROCTIME() to propagate the time attribute
to the outer query. See also [1] for an example.
Regards,
Timo
[1]
https://ci.apache.org/projects/flink/flink-docs-release-1.4/dev/table/sql.html#selecting-group-window-start-and-end-timestamps
Am 3/5/18 um
I tried to use write a nested query with HOP window in a streaming
environment.
Table `source` consists of 3 column, a, b, and timestamp.
SELECT a FROM (SELECT a, COUNT(*) FROM source GROUP BY HOP(timestamp, ...,
...), a, b) GROUP BY HOP(timestamp, ..., ...), a HAVING ...
And flink throws an exc
