flink-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Congxian Qiu <qcx978132...@gmail.com>
Subject Re: Group by multiple fields
Date Tue, 08 Oct 2019 04:25:34 GMT
Hi Miguel

Maybe the doc[1] about how to specifying the keys can help.


Miguel Farrajota <miguel.farrajota@feedzai.com> 于2019年10月8日周二 上午12:09写道:

> Hi,
> I'm looking to do some result aggregations on a event stream using several
> fields (for example, country and city) but I'm having a hard time finding
> any information about how to do this programmatically in the official
> documentation. I've found a couple of examples using SQL, but I'm looking
> to do this using something  .aggregate() or .process()
> Can anyone shed some light on this?
> Thanks
> - Miguel Farrajota
> *The content of this email is confidential and intended for the recipient
> specified in message only. It is strictly prohibited to share any part of
> this message with any third party, without a written consent of the sender.
> If you received this message by mistake, please reply to this message and
> follow with its deletion, so that we can ensure such a mistake does not
> occur in the future.*

View raw message