For a dockerized playground that includes a dataset, many working examples, and training slides, see [1].
[1] https://github.com/ververica/sql-training David On Thu, Oct 15, 2020 at 10:18 AM Piotr Nowojski <[email protected]> wrote: > Hi, > > The examples in the documentation are not fully functional. They assume > (like in this case), that you would have an already predefined table > orders, with the required fields. As I mentioned before, there are working > examples available and you can also read the documentation on how to > register tables on your own (both linked in my previous messages). > > Best > Piotrek > > śr., 14 paź 2020 o 18:12 大森林 <[email protected]> napisał(a): > >> much Manks for your replies >> >> I mean,where the "france revenue" >> in the following document ? >> >> https://ci.apache.org/projects/flink/flink-docs-release-1.11/dev/table/common.html >> >> Thanks for your help～ >> >> ------------------ 原始邮件 ------------------ >> *发件人:* "Piotr Nowojski" <[email protected]>; >> *发送时间:* 2020年10月14日(星期三) 晚上10:20 >> *收件人:* "大森林"<[email protected]>; >> *抄送:* "user"<[email protected]>; >> *主题:* Re: what's the datasets used in flink sql document? >> >> Hi, >> >> Can you link what document do you have in mind? The documentation [1]? I >> don't think so. >> >> There are working examples, located in the binary distribution under the >> `examples/table/` directory. Their code is available in the repository [2]. >> >> Best regards, >> Piotrek >> >> [1] >> https://ci.apache.org/projects/flink/flink-docs-release-1.11/dev/table/common.html#query-a-table >> [2] >> https://github.com/apache/flink/tree/master/flink-examples/flink-examples-table/src/main/java/org/apache/flink/table/examples/java/basics >> >> śr., 14 paź 2020 o 15:55 大森林 <[email protected]> napisał(a): >> >>> sorry that I did not make it clear. >>> >>> I mean: >>> Is there such a dataset can be downloaded >>> to satisfy all the examples in the document? >>> >>> Thanks for your help >>> >>> ------------------ 原始邮件 ------------------ >>> *发件人:* "Piotr Nowojski" <[email protected]>; >>> *发送时间:* 2020年10月14日(星期三) 晚上9:52 >>> *收件人:* "大森林"<[email protected]>; >>> *抄送:* "user"<[email protected]>; >>> *主题:* Re: what's the datasets used in flink sql document? >>> >>> Hi, >>> >>> It depends how you defined `orders` in your example. For example here [1] >>> >>> > Table orders = tEnv.from("Orders"); // schema (a, b, c, rowtime) >>> >>> `orders` is obtained from the environment, from a table registered under >>> the name "Orders". You would need to first register such table, or register >>> a catalog with such table [2] >>> >>> Piotrek >>> >>> [1] >>> https://ci.apache.org/projects/flink/flink-docs-release-1.11/dev/table/tableApi.html#overview--examples >>> [2] >>> https://ci.apache.org/projects/flink/flink-docs-release-1.11/dev/table/common.html#create-a-tableenvironment >>> >>> śr., 14 paź 2020 o 15:15 大森林 <[email protected]> napisał(a): >>> >>>> Could anyone tell me >>>> what's the datasets used in flink sql document? >>>> >>>> For sql like: >>>> >>>> val revenue = orders >>>> .filter($"cCountry" === "FRANCE") >>>> .groupBy($"cID", $"cName") >>>> .select($"cID", $"cName", $"revenue".sum AS "revSum") >>>> >>>> >>>> Thanks for your help >>>> >>>>
