That would be very interesting. (I see Frank McSherry among your co-authors and everything Frank does is very interesting.)
> On Feb 7, 2023, at 11:13 AM, Mihai Budiu <mbu...@vmware.com.INVALID> wrote: > > Hello, > > I would like to propose the following presentation for a meetup. > > Thank you, > Mihai Budiu > > ----------------- > > Building a streaming incremental view maintenance engine with Calcite > > Speaker: Mihai Budiu - VMware Research > > Duration: 20-40 minutes > > The DBSP open-source project > (https://github.com/vmware/database-stream-processor) is a Rust > runtime that unifies seamlessly streaming queries and incremental view > maintenance (IVM). The SQL to DBSP compiler is an open-source > (https://github.com/vmware/sql-to-dbsp-compiler) SQL compiler, based > on Calcite, that targets the DBSP runtime. The compiler has passed > more than 7 million SQL tests from SQLLogicTest (with 3 tests > failing). We will present the core design of the IVM engine and the > way we use Calcite to compile SQL to streaming computations. We > discuss a few syntactic and sematic differences between SQL dialects > that we have identified. Should Calcite support a notion of an "input > SQL dialect", that would allow it to emulate behaviors that differ > between other established SQL engines? > > >> -----Original Message----- >> From: Alessandro Solimando <alessandro.solima...@gmail.com> >> Sent: Monday, February 6, 2023 12:00 AM >> To: dev@calcite.apache.org >> Subject: Re: [DISCUSS] Apache Calcite Meetup March 2023 >> >> !! External Email >> >> Hello everyone, >> the proposed date and time is fine with me and I'd be happy to hear Julian's >> talk. >> >> In addition, together with Stamatis, we could present how the extended >> logging capabilities introduced via CALCITE-4704 >> <https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fiss >> ues.apache.org%2Fjira%2Fbrowse%2FCALCITE- >> 4704&data=05%7C01%7Cmbudiu%40vmware.com%7Cf608d2711bd54ca8856 >> b08db0818514c%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C0%7C0%7C6381 >> 12672763787844%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiL >> CJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sd >> ata=94liTk9xzKKfud7Kb72t4FZ7%2FqxVYTi97vTS4oFJr8E%3D&reserved=0> >> and CALCITE-4991 >> <https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fiss >> ues.apache.org%2Fjira%2Fbrowse%2FCALCITE- >> 4991&data=05%7C01%7Cmbudiu%40vmware.com%7Cf608d2711bd54ca8856 >> b08db0818514c%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C0%7C0%7C6381 >> 12672763787844%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiL >> CJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sd >> ata=PkMSw8GXxC46y%2F%2BePCQ9JJZphJH6SWn%2FlukolkGh13s%3D&res >> erved=0> in Calcite planner could be used to debug planning issues, >> showcasing this in the context of Apache Hive. >> >> The title, abstract and estimated duration will follow soon if the topic can >> be >> of interest for the community. >> >> Best regards, >> Alessandro >> >> On Sun, 5 Feb 2023 at 23:11, Stamatis Zampetakis <zabe...@gmail.com> >> wrote: >> >>> Hello, >>> >>> Thanks for reviving the thread Gavin. >>> >>> I would be very interested to hear the talk by Julian at the meetup >>> especially since I will not be able to attend the long version in Austin. >>> >>> Recapping all changes of the past year might be a bit difficult to be >>> done by one person. However, if someone wants to >>> present/explain/highlight/debate certain contributions in more detail >>> that would be certainly helpful. >>> >>> For those who are able to give a talk at the meetup I would kindly ask >>> to send the title, duration, and short abstract of their proposed talk >>> so that I can prepare a tentative agenda and put it online. >>> >>> To fix up the date what do you think about March 15, 2023 at 18:00 (UTC)? >>> It's hard to find a slot that is perfect for everyone so I will >>> consider first the preferences/constraints of people that will present. >>> >>> Best, >>> Stamatis >>> >>> >>> On Fri, Feb 3, 2023 at 5:58 PM Gavin Ray <ray.gavi...@gmail.com> wrote: >>> >>>> Just to follow up on this, maybe the Calcite org could schedule >>>> something for March and advertise it? >>>> >>>> The email may have gotten buried in folks' inboxes I'm sure there >>>> are people who would be interested in hearing about the developments >>>> and usecases in Calcite-land >>>> >>>> Maybe someone could give a recap of features/enhancements in the >>>> past >>> year >>>> as well? >>>> >>>> Would be really a bummer not to have a meetup this year! >>>> >>>> On Wed, Jan 25, 2023 at 2:08 PM Julian Hyde <jh...@apache.org> wrote: >>>> >>>>> I'd be up for a meetup. >>>>> >>>>> I am giving a talk "Cubing and metrics in SQL, oh my!" at Data >>>>> Council in Austin on Mar 29, so I could give a shorter talk on the >>>>> same topic at the meetup, if people are interested. >>>>> >>>>> Julian >>>>> >>>>> [1] >>>>> >> https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2F >>>>> www.datacouncil.ai%2Ftalks%2Fcubing-and-metrics-in- >> sql&data=05%7C0 >>>>> >> 1%7Cmbudiu%40vmware.com%7Cf608d2711bd54ca8856b08db0818514c%7C >> b3913 >>>>> >> 8ca3cee4b4aa4d6cd83d9dd62f0%7C0%7C0%7C638112672763787844%7CUnkn >> own >>>>> >> %7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1ha >> Ww >>>>> >> iLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=RH97omwz4%2BKdjC2e014F >> KEwIp% >>>>> 2B649VcJCJRVrhnHUoU%3D&reserved=0 >>>>> >>>>> On Tue, Jan 24, 2023 at 5:10 AM Gavin Ray <ray.gavi...@gmail.com> >>> wrote: >>>>>> >>>>>> Hey Stamatis, >>>>>> >>>>>> I would love to attend virtually, and I have a topic I would >>>>>> like to discuss with the community during open discussion at the >>>>>> end if time permits (how JSON is handled in Calcite dialects) >>>>>> >>>>>> >>>>>> On Tue, Jan 24, 2023 at 5:44 AM Stamatis Zampetakis < >>> zabe...@gmail.com >>>>> >>>>>> wrote: >>>>>> >>>>>>> Hi all, >>>>>>> >>>>>>> Last meetup [1] was roughly 12 months ago. How about >>>>>>> organising >>>>> another one >>>>>>> around mid March 2023? >>>>>>> >>>>>>> As previous years, I was thinking of a virtual event (via >>>>>>> zoom) >>> with >>>>> a few >>>>>>> presentations followed by open discussion. >>>>>>> >>>>>>> I was also considering the possibility of a hybrid event (in >>>>>>> person somewhere in bay area and virtual via zoom) but there >>>>>>> are various constraints for March. If things work out well we >>>>>>> can talk about >>> the >>>>> hybrid >>>>>>> event later on and aim for June/July assuming there is enough >>>> interest. >>>>>>> >>>>>>> Are there people willing to give a talk around Calcite? >>>>>>> >>>>>>> What do people think in terms of timing? >>>>>>> >>>>>>> Best, >>>>>>> Stamatis >>>>>>> >>>>>>> [1] >>>>>>> https://nam04.safelinks.protection.outlook.com/?url=https%3A%2 >>>>>>> F%2Fwww.meetup.com%2FApache- >> Calcite%2F&data=05%7C01%7Cmbudiu%4 >>>>>>> >> 0vmware.com%7Cf608d2711bd54ca8856b08db0818514c%7Cb39138ca3cee4 >>>>>>> >> b4aa4d6cd83d9dd62f0%7C0%7C0%7C638112672763787844%7CUnknown%7C >> T >>>>>>> >> WFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWw >>>>>>> >> iLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=ytezEeFoKRy2vtw7WaV9GF >> Sn >>>>>>> tsVjFBu7rHJlcQrwA8w%3D&reserved=0 >>>>>>> >>>>> >>>> >>>> >>> >> >> !! External Email: This email originated from outside of the organization. Do >> not click links or open attachments unless you recognize the sender.
