Thanks. It works. I missed it while reading the document. Timo Walther <twal...@apache.org> 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/flink/flink-docs-release-1.4/dev/table/sql.html#selecting-group-window-start-and-end-timestamps > > > > Am 3/5/18 um 11:26 AM schrieb 杨力: > > >