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 > >> > > >> >
