Cool, thanks!
On Tue, Jan 6, 2015 at 12:34 PM, Vasiliki Kalavri <vasilikikala...@gmail.com> wrote: > Assigned :-) > > On 6 January 2015 at 21:20, Henry Saputra <henry.sapu...@gmail.com> wrote: > >> Vasia, >> >> Would you mind if I assign the Graph API JIRA ticket [1] to you? >> >> It is nice to have owner for the ticket. >> >> - Henry >> >> [1] https://issues.apache.org/jira/browse/FLINK-1201 >> >> On Tue, Jan 6, 2015 at 3:51 AM, Vasiliki Kalavri >> <vasilikikala...@gmail.com> wrote: >> > Hello Aljoscha and everyone, >> > >> > Andra and Daniel might also want to give input :) >> > >> > - As Kostas already said, we've had some issues with the TypeExtractor, >> but >> > these were mostly due to our lack of understanding of how it works. It >> > would be great if we could document the functionality and provide some >> tips >> > on usage of different methods. For example, when to use createTypeInfo >> and >> > when getReturnTypes? When is it necessary to implement >> ResultTypeQueryable? >> > etc. >> > >> > - An ugly/bothering issue is not being able to return a scalar value from >> > an operation and having to work with a single-value DataSet. I understand >> > this is not trivial to support and we are currently working around this >> > using broadcast variables. >> > >> > - The lack of a count operator (which is work in progress, no?) >> > >> > - Not being able to easily access the group key inside a reduce/coGroup >> > UDF. If I'm not mistaken, there was an issue/discussion on this as well. >> > >> > If anything else comes to mind, I'll let you know! >> > Overall, I think we've had very few problems and nothing for which we >> > (Stephan) couldn't find a workaround :-) >> > >> > Cheers, >> > -V. >> > >> > PS: I believe we'll be able to make the Graph API (code name Gelly) PR >> very >> > very soon ^^ >> > >> > On 6 January 2015 at 11:24, Kostas Tzoumas <ktzou...@apache.org> wrote: >> > >> >> From what I have been "overhearing" from the Graph API development, some >> >> hurdles were type extractor errors that could not be deciphered easily, >> and >> >> the inability to bring back data easily back to the client. >> >> >> >> But it would be great if Vasia could elaborate! >> >> >> >> On Tue, Jan 6, 2015 at 10:39 AM, Aljoscha Krettek <aljos...@apache.org> >> >> wrote: >> >> >> >> > Hi, >> >> > I guess this is mostly directed at Vasia, since you are the main >> >> > developer behind the graph API right now. (Correct me if I'm wrong). >> >> > >> >> > Could you share some of the difficulties that you encountered while >> >> > developing the API and some of the stuff that bothers you. I want to >> >> > work on making our core API better for developing specialised APIs. >> >> > >> >> > Cheers, >> >> > Aljoscha >> >> > >> >> >>
