Thanks for organizing Stamatis! I enjoyed hearing what others are
working on. However, if we do this again I wonder if we could use a
regular Zoom meeting instead of a webinar. I think it might be easier
to facilitate discussion that way.
--
Michael Mior
mm...@apache.org

Le ven. 22 janv. 2021 à 06:28, Stamatis Zampetakis <zabe...@gmail.com> a écrit :
>
> Hi everybody,
>
> Thanks again for attending the meetup and of course big thanks to the
> speakers for the great presentations and thoughtful discussion.
>
> For those interested the recordings are now available on youtube:
> https://www.youtube.com/playlist?list=PLUp_iibbIwFF_5xeLRgz4zU33mFRbS5Y6
>
> Best,
> Stamatis
>
> On Fri, Jan 15, 2021 at 4:07 AM Chunwei Lei <chunwei.l...@gmail.com> wrote:
>
> > Ignore my previous email. I found the link[1] after I read all the replies.
> >
> > Besides, I have sent the link to my colleagues.
> >
> > The online meetup is a little late in UTC+8. Would the meetup be recorded?
> >
> >
> > [1] https://www.meetup.com/Apache-Calcite/events/275461117/
> >
> > Best,
> > Chunwei
> >
> >
> > On Fri, Jan 15, 2021 at 10:57 AM Chunwei Lei <chunwei....@alibaba-inc.com>
> > wrote:
> >
> >> Hi, Stamatis.
> >>
> >> How can I submit my PGP key? (It's my first time to attend an online
> >> meetup~~)
> >>
> >>
> >>
> >> Best,
> >> Chunwei
> >>
> >>
> >> ------------------------------------------------------------------
> >> 发件人:Stamatis Zampetakis <zabe...@gmail.com>
> >> 发送时间:2021年1月15日(星期五) 07:10
> >> 收件人:dev <dev@calcite.apache.org>
> >> 主 题:Re: [DISCUSS] Apache Calcite Online Meetup January 2021
> >>
> >> I updated the agenda and added some more information regarding the key
> >> signing party.
> >>
> >> For those planning to attend the party, the deadline for submitting your
> >> PGP key is Mon, Jan 18, 2021, 9:00 AM PST (UTC-8).
> >>
> >> Best,
> >> Stamatis
> >>
> >> On Wed, Jan 13, 2021 at 8:28 AM Vladimir Ozerov <ppoze...@gmail.com>
> >> wrote:
> >>
> >> > *Talk duration*: 30 min.
> >> >
> >> > ср, 13 янв. 2021 г. в 10:27, Vladimir Ozerov <ppoze...@gmail.com>:
> >> >
> >> > > Hi Stamatis, Julian,
> >> > >
> >> > > Thank you for releasing the slot. Just to be crystal clear - I was
> >> very
> >> > > late with my proposal, and have no urge to present in January. Both
> >> > January
> >> > > and April are perfectly fine with me. So please prioritize this talk
> >> over
> >> > > others only if you see a really good reason to do so. In any case, I
> >> > > confirm that I can present in January. Please find the talk details
> >> > below.
> >> > >
> >> > > *Speaker:* Vladimir Ozerov
> >> > > *Title:* Apache Calcite integration in Hazelcast IMDG
> >> > > *Abstract: *
> >> > > Hazelcast IMDG is a distributed in-memory key-value store. In this
> >> talk,
> >> > I
> >> > > will present how we used Apache Calcite to create a new distributed
> >> SQL
> >> > > engine that queries Hazelcast IMDG data.
> >> > > We start with motivation and general design. Then we examine how
> >> > Hazelcast
> >> > > IMDG leverages Apache Calcite for query parsing, validation, and
> >> > > optimization, and why we decided not to use Apache Calcite for JDBC
> >> and
> >> > > query execution. We also discuss several Apache Calcite problems that
> >> > > negatively affect the integration and propose possible future
> >> > improvements.
> >> > >
> >> > > Regards,
> >> > > Vladimir.
> >> > >
> >> > > ср, 13 янв. 2021 г. в 02:48, Stamatis Zampetakis <zabe...@gmail.com>:
> >> > >
> >> > >> Yesterday, I updated our website to also include Vladimir's talk
> >> about
> >> > >> Hazelcast so I think it is better to keep it that way.
> >> > >> Initially I had in mind something between 2 and 4 talks for this
> >> meetup
> >> > >> (2-3h) so I think we are good to go.
> >> > >>
> >> > >> Let's now freeze the agenda to avoid changing it till the last
> >> minute.
> >> > >> I will open up the discussion for the next meetup in another email
> >> so we
> >> > >> start filling the slots for April.
> >> > >>
> >> > >> It's definitely useful to have the talks on camera. I will record
> >> them
> >> > via
> >> > >> Zoom and split them after the meetup.
> >> > >> If the presenters give their consent I can upload them afterwards to
> >> > >> Youtube/Vimeo.
> >> > >>
> >> > >> Best,
> >> > >> Stamatis
> >> > >>
> >> > >>
> >> > >> On Wed, Jan 13, 2021 at 12:15 AM Julian Hyde <jh...@apache.org>
> >> wrote:
> >> > >>
> >> > >> > I'm happy to yield my spot (and speak instead in April) if
> >> Vladimir is
> >> > >> > still prepared to talk. I'd love to get his work on Hazelcast
> >> > >> > integration on the record!
> >> > >> >
> >> > >> > By the way, will it be possible to record these talks and post them
> >> > >> > *as separate items* to (say) YouTube or Vimeo? I think it's
> >> important
> >> > >> > that they are separate, so that people can find the particular talk
> >> > >> > they are interested in.
> >> > >> >
> >> > >> > Julian
> >> > >> >
> >> > >> > On Tue, Jan 12, 2021 at 12:17 AM Vladimir Ozerov <
> >> ppoze...@gmail.com>
> >> > >> > wrote:
> >> > >> > >
> >> > >> > > Hi Stamatis,
> >> > >> > >
> >> > >> > > Sorry, my previous email was not clear enough. To clarify - I was
> >> > >> > thinking
> >> > >> > > about the mentioned next meetup in April because the schedule for
> >> > the
> >> > >> > > January meetup appears to be too packed already (3 talks in
> >> 1:30h).
> >> > I
> >> > >> > > I am ready to talk in both January and April. Just want to ensure
> >> > >> that we
> >> > >> > > do not overwhelm our attendees.
> >> > >> > >
> >> > >> > > I'll provide the talk details in the nearest day.
> >> > >> > >
> >> > >> > > Regards,
> >> > >> > > Vladimir.
> >> > >> > >
> >> > >> > > вт, 12 янв. 2021 г. в 01:41, Stamatis Zampetakis <
> >> zabe...@gmail.com
> >> > >:
> >> > >> > >
> >> > >> > > > That would be great Vladimir, I will update the agenda.
> >> > >> > > >
> >> > >> > > > If possible please provide a title, duration, and abstract.
> >> > >> > > >
> >> > >> > > > Best,
> >> > >> > > > Stamatis
> >> > >> > > >
> >> > >> > > > On Mon, Jan 11, 2021 at 8:35 PM Vladimir Ozerov <
> >> > ppoze...@gmail.com
> >> > >> >
> >> > >> > > > wrote:
> >> > >> > > >
> >> > >> > > > > Hi,
> >> > >> > > > >
> >> > >> > > > > I can share our experience with Apache Calcite  integration
> >> into
> >> > >> > > > Hazelcast
> >> > >> > > > > distributed SQL engine.
> >> > >> > > > >
> >> > >> > > > > Regards,
> >> > >> > > > > Vladimir
> >> > >> > > > >
> >> > >> > > > > Вт, 5 янв. 2021 г. в 00:48, Vineet G <vgargapa...@gmail.com
> >> >:
> >> > >> > > > >
> >> > >> > > > > > Hi Stamatis,
> >> > >> > > > > >
> >> > >> > > > > > Something has come up and unfortunately I will not be able
> >> to
> >> > >> > present
> >> > >> > > > the
> >> > >> > > > > > talk.
> >> > >> > > > > >
> >> > >> > > > > > Vineet
> >> > >> > > > > >
> >> > >> > > > > > > On Jan 3, 2021, at 1:37 PM, Stamatis Zampetakis <
> >> > >> > zabe...@gmail.com>
> >> > >> > > > > > wrote:
> >> > >> > > > > > >
> >> > >> > > > > > > I updated the agenda on meetup to include Julian's talk
> >> > around
> >> > >> > > > spatial
> >> > >> > > > > > > queries.
> >> > >> > > > > > >
> >> > >> > > > > > > So far we have four presentations lasting approximately
> >> 1h45
> >> > >> so I
> >> > >> > > > still
> >> > >> > > > > > > find the duration reasonable.
> >> > >> > > > > > >
> >> > >> > > > > > > Of course if there are more people interested to present
> >> > >> > something we
> >> > >> > > > > can
> >> > >> > > > > > > schedule another meetup in April as Julian suggested.
> >> > >> > > > > > > I am always happy to see what other people are working on
> >> > and
> >> > >> > more
> >> > >> > > > > > Calcite
> >> > >> > > > > > > use-cases.
> >> > >> > > > > > >
> >> > >> > > > > > > Best,
> >> > >> > > > > > > Stamatis
> >> > >> > > > > > >
> >> > >> > > > > > > On Sun, Jan 3, 2021 at 2:09 AM Julian Hyde <
> >> > >> > jhyde.apa...@gmail.com>
> >> > >> > > > > > wrote:
> >> > >> > > > > > >
> >> > >> > > > > > >> In other news.... I’ll be co-presenting (with Mosha
> >> > >> Pasumansky)
> >> > >> > a
> >> > >> > > > talk
> >> > >> > > > > > >> “Open source SQL - beyond parsers: ZetaSQL and Apache
> >> > >> Calcite”
> >> > >> > at
> >> > >> > > > the
> >> > >> > > > > > >> Northwest Database Society Annual Meeting on January
> >> 29th.
> >> > >> It’s
> >> > >> > > > > virtual
> >> > >> > > > > > and
> >> > >> > > > > > >> free, but you must sign up to attend.
> >> > >> > > > > > >>
> >> > >> > > > > > >> Julian
> >> > >> > > > > > >>
> >> > >> > > > > > >> [1] https://sites.google.com/view/nwds2021
> >> > >> > > > > > >>
> >> > >> > > > > > >>> On Jan 2, 2021, at 12:47 PM, Julian Hyde <
> >> > >> > jhyde.apa...@gmail.com>
> >> > >> > > > > > wrote:
> >> > >> > > > > > >>>
> >> > >> > > > > > >>>  I can give a talk “Implementing spatial queries using
> >> > >> algebra
> >> > >> > > > > > >> rewrites”, 20 minutes.
> >> > >> > > > > > >>>
> >> > >> > > > > > >>> But if that makes the meetup too long, I am equally
> >> happy
> >> > to
> >> > >> > > > postpone
> >> > >> > > > > > >> the talk. How about scheduling another meetup  in say
> >> > April?
> >> > >> > > > > > >>>
> >> > >> > > > > > >>> Julian
> >> > >> > > > > > >>>
> >> > >> > > > > > >>>> On Dec 31, 2020, at 3:10 AM, Stamatis Zampetakis <
> >> > >> > > > zabe...@gmail.com
> >> > >> > > > > >
> >> > >> > > > > > >> wrote:
> >> > >> > > > > > >>>>
> >> > >> > > > > > >>>>  I just published the event on Meetup [1].
> >> > >> > > > > > >>>>
> >> > >> > > > > > >>>> The agenda is not yet finalized so if there are people
> >> > who
> >> > >> > would
> >> > >> > > > > like
> >> > >> > > > > > to
> >> > >> > > > > > >>>> give a talk or add/remove things from the agenda
> >> please
> >> > >> reply
> >> > >> > to
> >> > >> > > > > this
> >> > >> > > > > > >>>> thread.
> >> > >> > > > > > >>>>
> >> > >> > > > > > >>>> Best,
> >> > >> > > > > > >>>> Stamatis
> >> > >> > > > > > >>>>
> >> > >> > > > > > >>>> [1]
> >> > >> https://www.meetup.com/Apache-Calcite/events/275461117/
> >> > >> > > > > > >>>>
> >> > >> > > > > > >>>>>> On Mon, Nov 30, 2020 at 12:37 AM Rui Wang <
> >> > >> > amaliu...@apache.org
> >> > >> > > > >
> >> > >> > > > > > >> wrote:
> >> > >> > > > > > >>>>>
> >> > >> > > > > > >>>>> Title: event timestamp semantic based streaming SQL
> >> > >> > > > > > >>>>> Abstract: this talk will cover in Calcite Streaming
> >> SQL
> >> > >> > case, how
> >> > >> > > > > to
> >> > >> > > > > > >> reason
> >> > >> > > > > > >>>>> data completeness in terms of event timestamp
> >> semantic
> >> > and
> >> > >> > how to
> >> > >> > > > > > >> control
> >> > >> > > > > > >>>>> materialization latency given unbounded input data
> >> (in
> >> > >> > Calcite
> >> > >> > > > > > roadmap
> >> > >> > > > > > >> but
> >> > >> > > > > > >>>>> not implemented yet).
> >> > >> > > > > > >>>>>
> >> > >> > > > > > >>>>> Duration: 20~30 mins
> >> > >> > > > > > >>>>>
> >> > >> > > > > > >>>>>> On Tue, Nov 24, 2020 at 8:56 AM Slim Bouguerra <
> >> > >> > > > bs...@apache.org>
> >> > >> > > > > > >> wrote:
> >> > >> > > > > > >>>>>>
> >> > >> > > > > > >>>>>> this is a great idea thanks @Statmatis looking
> >> forward
> >> > to
> >> > >> > > > learning
> >> > >> > > > > > >> more
> >> > >> > > > > > >>>>>> about Calcite especially the Streaming work.
> >> > >> > > > > > >>>>>>
> >> > >> > > > > > >>>>>>> On Mon, Nov 23, 2020 at 2:19 PM Rui Wang <
> >> > >> > amaliu...@apache.org
> >> > >> > > > >
> >> > >> > > > > > >> wrote:
> >> > >> > > > > > >>>>>>
> >> > >> > > > > > >>>>>>> Sorry for the late reply Statmatis. I have recently
> >> > been
> >> > >> > pretty
> >> > >> > > > > > busy
> >> > >> > > > > > >> on
> >> > >> > > > > > >>>>>>> work as it is approaching the end of the year.
> >> > >> > > > > > >>>>>>>
> >> > >> > > > > > >>>>>>> The time in [1] works perfectly for me. I will
> >> share
> >> > the
> >> > >> > > > abstract
> >> > >> > > > > > and
> >> > >> > > > > > >>>>>>> expected duration soon (should within this week).
> >> > >> > > > > > >>>>>>>
> >> > >> > > > > > >>>>>>>
> >> > >> > > > > > >>>>>>> -Rui
> >> > >> > > > > > >>>>>>>
> >> > >> > > > > > >>>>>>> On Fri, Nov 20, 2020 at 2:11 AM Stamatis
> >> Zampetakis <
> >> > >> > > > > > >> zabe...@gmail.com
> >> > >> > > > > > >>>>>>
> >> > >> > > > > > >>>>>>> wrote:
> >> > >> > > > > > >>>>>>>
> >> > >> > > > > > >>>>>>>> That would be great Vineet!
> >> > >> > > > > > >>>>>>>>
> >> > >> > > > > > >>>>>>>> @Julian, @Rui, @Vineet:
> >> > >> > > > > > >>>>>>>> Can you share a small abstract (2-3 sentences) and
> >> > >> > expected
> >> > >> > > > > > >> duration?
> >> > >> > > > > > >>>>>>>> Can you check if the date/times proposed
> >> previously
> >> > [1]
> >> > >> > work
> >> > >> > > > for
> >> > >> > > > > > >> you.
> >> > >> > > > > > >>>>>> If
> >> > >> > > > > > >>>>>>>> not feel free to propose another slot.
> >> > >> > > > > > >>>>>>>>
> >> > >> > > > > > >>>>>>>> Best,
> >> > >> > > > > > >>>>>>>> Stamatis
> >> > >> > > > > > >>>>>>>>
> >> > >> > > > > > >>>>>>>> [1] https://s.apache.org/uhrzo
> >> > >> > > > > > >>>>>>>>
> >> > >> > > > > > >>>>>>>> On Thu, Nov 19, 2020 at 6:18 PM Vineet Garg <
> >> > >> > vg...@apache.org
> >> > >> > > > >
> >> > >> > > > > > >>>>> wrote:
> >> > >> > > > > > >>>>>>>>
> >> > >> > > > > > >>>>>>>>> I think this is a great idea. +1 for the online
> >> > >> meetup.
> >> > >> > > > > > >>>>>>>>>
> >> > >> > > > > > >>>>>>>>> If there are slots left I can also talk about how
> >> > Hive
> >> > >> > > > > leverages
> >> > >> > > > > > >>>>>>> Calcite
> >> > >> > > > > > >>>>>>>> to
> >> > >> > > > > > >>>>>>>>> do query optimization.
> >> > >> > > > > > >>>>>>>>>
> >> > >> > > > > > >>>>>>>>> -Vineet
> >> > >> > > > > > >>>>>>>>>
> >> > >> > > > > > >>>>>>>>> On Fri, Nov 6, 2020 at 7:21 AM Stamatis
> >> Zampetakis <
> >> > >> > > > > > >>>>>> zabe...@gmail.com>
> >> > >> > > > > > >>>>>>>>> wrote:
> >> > >> > > > > > >>>>>>>>>
> >> > >> > > > > > >>>>>>>>>> Let's try to fix the date/time and tentative
> >> agenda
> >> > >> so
> >> > >> > that
> >> > >> > > > we
> >> > >> > > > > > >>>>> can
> >> > >> > > > > > >>>>>>> add
> >> > >> > > > > > >>>>>>>>> some
> >> > >> > > > > > >>>>>>>>>> information on meetup [1].
> >> > >> > > > > > >>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>> So far we have three presenters, Julian, Rui,
> >> and
> >> > >> > myself. We
> >> > >> > > > > can
> >> > >> > > > > > >>>>>>> start
> >> > >> > > > > > >>>>>>>>> like
> >> > >> > > > > > >>>>>>>>>> that and if in the process there are more people
> >> > >> > interested
> >> > >> > > > to
> >> > >> > > > > > >>>>>> give a
> >> > >> > > > > > >>>>>>>>> small
> >> > >> > > > > > >>>>>>>>>> talk we can update the program.
> >> > >> > > > > > >>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>> Let's try to get a date in the last two weeks of
> >> > >> > January to
> >> > >> > > > > give
> >> > >> > > > > > >>>>>> us a
> >> > >> > > > > > >>>>>>>> bit
> >> > >> > > > > > >>>>>>>>>> more time to prepare. Personally, I don't have a
> >> > >> > preference
> >> > >> > > > > for
> >> > >> > > > > > >>>>>> that
> >> > >> > > > > > >>>>>>>>> being
> >> > >> > > > > > >>>>>>>>>> a business day or not and I am in UTC+1.
> >> > >> > > > > > >>>>>>>>>> For instance, how do you feel about Wednesday,
> >> 20
> >> > >> > January
> >> > >> > > > > 2021,
> >> > >> > > > > > >>>>>>>> 18:00:00
> >> > >> > > > > > >>>>>>>>> to
> >> > >> > > > > > >>>>>>>>>> 21:00 UTC+1 [2] ?
> >> > >> > > > > > >>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>> As soon as we have a rough estimate on the
> >> number
> >> > of
> >> > >> > > > attendees
> >> > >> > > > > > we
> >> > >> > > > > > >>>>>> can
> >> > >> > > > > > >>>>>>>>> also
> >> > >> > > > > > >>>>>>>>>> decide which platform to use for the event.
> >> > >> > > > > > >>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>> Even if the number of participants ends up being
> >> > low,
> >> > >> > having
> >> > >> > > > > new
> >> > >> > > > > > >>>>>>>>>> material for our website is still a plus.
> >> > >> > > > > > >>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>> Best,
> >> > >> > > > > > >>>>>>>>>> Stamatis
> >> > >> > > > > > >>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>> [1] https://www.meetup.com/Apache-Calcite/
> >> > >> > > > > > >>>>>>>>>> [2] https://s.apache.org/uhrzo
> >> > >> > > > > > >>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>> Tentative Agenda
> >> > >> > > > > > >>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>> Title: An introduction to query processing &
> >> Apache
> >> > >> > Calcite
> >> > >> > > > > > >>>>>>>>>> Speaker: Stamatis Zampetakis
> >> > >> > > > > > >>>>>>>>>> Duration: 50min
> >> > >> > > > > > >>>>>>>>>> Abstract:
> >> > >> > > > > > >>>>>>>>>> In this talk, I will go over some basic notions
> >> > >> around
> >> > >> > query
> >> > >> > > > > > >>>>>>> processors
> >> > >> > > > > > >>>>>>>>> and
> >> > >> > > > > > >>>>>>>>>> demonstrate how they map to concepts in Calcite.
> >> > >> > > > > > >>>>>>>>>> I will start with some simple use-cases and show
> >> > how
> >> > >> > from
> >> > >> > > > Java
> >> > >> > > > > > >>>>> code
> >> > >> > > > > > >>>>>>> we
> >> > >> > > > > > >>>>>>>>> can
> >> > >> > > > > > >>>>>>>>>> go to relational algebra and SQL, explaining the
> >> > >> > importance
> >> > >> > > > > of a
> >> > >> > > > > > >>>>>>>>>> declarative language and the role of a query
> >> > >> processing
> >> > >> > > > > > >>>>> framework.
> >> > >> > > > > > >>>>>>>>>> Then, I will focus on the query processor,
> >> > >> illustrating
> >> > >> > the
> >> > >> > > > > > >>>>> general
> >> > >> > > > > > >>>>>>>>>> architecture and the main components of Apache
> >> > >> Calcite.
> >> > >> > > > > > >>>>>>>>>> After a simple end to end example of the
> >> different
> >> > >> > modules,
> >> > >> > > > I
> >> > >> > > > > > >>>>> will
> >> > >> > > > > > >>>>>>>>> perform
> >> > >> > > > > > >>>>>>>>>> a live coding session demonstrating how we can
> >> put
> >> > >> > together
> >> > >> > > > > the
> >> > >> > > > > > >>>>>> main
> >> > >> > > > > > >>>>>>>>>> components of Calcite to build a simple query
> >> > >> processor
> >> > >> > for
> >> > >> > > > > > >>>>>> in-memory
> >> > >> > > > > > >>>>>>>>>> data.
> >> > >> > > > > > >>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>> On Thu, Oct 22, 2020 at 12:07 PM Danny Chan <
> >> > >> > > > > > >>>>> yuzhao....@gmail.com>
> >> > >> > > > > > >>>>>>>>> wrote:
> >> > >> > > > > > >>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>> +1 for the online meeting, nice idea ~
> >> > >> > > > > > >>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>> Best,
> >> > >> > > > > > >>>>>>>>>>> Danny Chan
> >> > >> > > > > > >>>>>>>>>>> 在 2020年10月22日 +0800 PM5:58,JiaTao Tao <
> >> > >> > taojia...@gmail.com
> >> > >> > > > > > >>>>>> ,写道:
> >> > >> > > > > > >>>>>>>>>>>> I think it's a nice idea, hope to hear
> >> Julian's
> >> > >> topic
> >> > >> > > > about
> >> > >> > > > > > >>>>>>>>> lattice/mv,
> >> > >> > > > > > >>>>>>>>>>> we
> >> > >> > > > > > >>>>>>>>>>>> have a big demand on this and want to learn
> >> more.
> >> > >> > > > > > >>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>> Regards!
> >> > >> > > > > > >>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>> Aron Tao
> >> > >> > > > > > >>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>> Julian Hyde <jh...@apache.org> 于2020年10月16日周五
> >> > >> > 下午12:50写道:
> >> > >> > > > > > >>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>> Nice idea, Stamatis. I'm happy to give a
> >> talk if
> >> > >> > people
> >> > >> > > > > > >>>>> want
> >> > >> > > > > > >>>>>> to
> >> > >> > > > > > >>>>>>>>> hear
> >> > >> > > > > > >>>>>>>>>>>>> it - possible topics include geospatial in
> >> > >> Calcite,
> >> > >> > quick
> >> > >> > > > > > >>>>>> intro
> >> > >> > > > > > >>>>>>>> to
> >> > >> > > > > > >>>>>>>>>>>>> RelBuilder, and lattices/materialized views.
> >> > >> > > > > > >>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>> On Thu, Oct 15, 2020 at 10:35 AM Rui Wang <
> >> > >> > > > > > >>>>>>> amaliu...@apache.org>
> >> > >> > > > > > >>>>>>>>>>> wrote:
> >> > >> > > > > > >>>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>>> I can give a small talk (10 to 20 mins)
> >> about
> >> > >> > changes of
> >> > >> > > > > > >>>>>>>> Calcite
> >> > >> > > > > > >>>>>>>>> to
> >> > >> > > > > > >>>>>>>>>>>>> support
> >> > >> > > > > > >>>>>>>>>>>>>> streaming.
> >> > >> > > > > > >>>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>>> -Rui
> >> > >> > > > > > >>>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>>> On Thu, Oct 15, 2020 at 7:19 AM Alessandro
> >> > >> > Solimando <
> >> > >> > > > > > >>>>>>>>>>>>>> alessandro.solima...@gmail.com> wrote:
> >> > >> > > > > > >>>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>>>> Hi Stamatis,
> >> > >> > > > > > >>>>>>>>>>>>>>> that's a very nice idea, I am definitely
> >> > >> > interested in
> >> > >> > > > > > >>>>>>>>> attending
> >> > >> > > > > > >>>>>>>>>> a
> >> > >> > > > > > >>>>>>>>>>>>> meetup
> >> > >> > > > > > >>>>>>>>>>>>>>> and hearing presentations around Calcite.
> >> > >> > > > > > >>>>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>>>> Best regards,
> >> > >> > > > > > >>>>>>>>>>>>>>> Alessandro
> >> > >> > > > > > >>>>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>>>> On Thu, 15 Oct 2020 at 15:09, Stamatis
> >> > >> Zampetakis <
> >> > >> > > > > > >>>>>>>>>>> zabe...@gmail.com>
> >> > >> > > > > > >>>>>>>>>>>>>>> wrote:
> >> > >> > > > > > >>>>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>>>>> Hi guys,
> >> > >> > > > > > >>>>>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>>>>> How do you feel about participating in an
> >> > >> online
> >> > >> > > > > > >>>>> meetup
> >> > >> > > > > > >>>>>>> for
> >> > >> > > > > > >>>>>>>>>>> Calcite
> >> > >> > > > > > >>>>>>>>>>>>> in
> >> > >> > > > > > >>>>>>>>>>>>>>>> January 2021?
> >> > >> > > > > > >>>>>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>>>>> It's been forever since we organised a
> >> > Calcite
> >> > >> > meetup
> >> > >> > > > > > >>>>>> and
> >> > >> > > > > > >>>>>>>>> with
> >> > >> > > > > > >>>>>>>>>>> the
> >> > >> > > > > > >>>>>>>>>>>>>>> current
> >> > >> > > > > > >>>>>>>>>>>>>>>> situation (pandemic) it will be almost
> >> > >> impossible
> >> > >> > to
> >> > >> > > > > > >>>>>> hold
> >> > >> > > > > > >>>>>>>> one
> >> > >> > > > > > >>>>>>>>>> in
> >> > >> > > > > > >>>>>>>>>>>>> person
> >> > >> > > > > > >>>>>>>>>>>>>>> in
> >> > >> > > > > > >>>>>>>>>>>>>>>> the near future.
> >> > >> > > > > > >>>>>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>>>>> Nevertheless, people now more than ever
> >> tend
> >> > to
> >> > >> > > > > > >>>>>> organise
> >> > >> > > > > > >>>>>>>> and
> >> > >> > > > > > >>>>>>>>>>> attend
> >> > >> > > > > > >>>>>>>>>>>>> such
> >> > >> > > > > > >>>>>>>>>>>>>>>> events so we could take advantage of the
> >> > >> > situation to
> >> > >> > > > > > >>>>>>>>> exchange
> >> > >> > > > > > >>>>>>>>>>> ideas,
> >> > >> > > > > > >>>>>>>>>>>>>>> learn
> >> > >> > > > > > >>>>>>>>>>>>>>>> new things, and meet each other in a more
> >> > >> > interactive
> >> > >> > > > > > >>>>>>> way.
> >> > >> > > > > > >>>>>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>>>>> We can have a few presentations and slots
> >> for
> >> > >> open
> >> > >> > > > > > >>>>>>>> discussion
> >> > >> > > > > > >>>>>>>>>>> among
> >> > >> > > > > > >>>>>>>>>>>>> us.
> >> > >> > > > > > >>>>>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>>>>> The subject can be anything from something
> >> > very
> >> > >> > > > > > >>>>>> technical
> >> > >> > > > > > >>>>>>>> to
> >> > >> > > > > > >>>>>>>>> a
> >> > >> > > > > > >>>>>>>>>>> very
> >> > >> > > > > > >>>>>>>>>>>>>>> simple
> >> > >> > > > > > >>>>>>>>>>>>>>>> presentation of an adapter, the use of
> >> > calcite
> >> > >> in
> >> > >> > a
> >> > >> > > > > > >>>>>>>>> university
> >> > >> > > > > > >>>>>>>>>>>>> course, in
> >> > >> > > > > > >>>>>>>>>>>>>>>> academia, or whatever else you can
> >> imagine.
> >> > >> > > > > > >>>>>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>>>>> The duration can be also flexible, ranging
> >> > >> from a
> >> > >> > few
> >> > >> > > > > > >>>>>>>> minutes
> >> > >> > > > > > >>>>>>>>>> to
> >> > >> > > > > > >>>>>>>>>>> an
> >> > >> > > > > > >>>>>>>>>>>>> hour
> >> > >> > > > > > >>>>>>>>>>>>>>> or
> >> > >> > > > > > >>>>>>>>>>>>>>>> more depending on the courage of the
> >> speaker.
> >> > >> > > > > > >>>>>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>>>>> I'm sure most of us have some slides here
> >> and
> >> > >> > there
> >> > >> > > > > > >>>>>> that
> >> > >> > > > > > >>>>>>>>> could
> >> > >> > > > > > >>>>>>>>>>> feed a
> >> > >> > > > > > >>>>>>>>>>>>>>> small
> >> > >> > > > > > >>>>>>>>>>>>>>>> presentation around Calcite so let's make
> >> > this
> >> > >> > > > > > >>>>> happen!
> >> > >> > > > > > >>>>>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>>>>> So are there people interested to give a
> >> talk
> >> > >> > around
> >> > >> > > > > > >>>>>>>> Calcite?
> >> > >> > > > > > >>>>>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>>>>> Personally, I can give a presentation on
> >> very
> >> > >> > basic
> >> > >> > > > > > >>>>>> stuff
> >> > >> > > > > > >>>>>>>> on
> >> > >> > > > > > >>>>>>>>>>> query
> >> > >> > > > > > >>>>>>>>>>>>>>>> optimization and Calcite showing a bit of
> >> > >> > motivation
> >> > >> > > > > > >>>>>> and
> >> > >> > > > > > >>>>>>>>> going
> >> > >> > > > > > >>>>>>>>>>>>> through
> >> > >> > > > > > >>>>>>>>>>>>>>> the
> >> > >> > > > > > >>>>>>>>>>>>>>>> main APIs with examples and code samples.
> >> > >> > > > > > >>>>>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>>>>> Apart from speakers, are there people
> >> > >> interested
> >> > >> > in
> >> > >> > > > > > >>>>>>>> attending
> >> > >> > > > > > >>>>>>>>>>> such
> >> > >> > > > > > >>>>>>>>>>>>>>> meetups?
> >> > >> > > > > > >>>>>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>>>>> We can fix the date and time based on the
> >> > >> region
> >> > >> > of
> >> > >> > > > > > >>>>> the
> >> > >> > > > > > >>>>>>>>>> majority.
> >> > >> > > > > > >>>>>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>>>>> Best,
> >> > >> > > > > > >>>>>>>>>>>>>>>> Stamatis
> >> > >> > > > > > >>>>>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>>
> >> > >> > > > > > >>>>>>>>>
> >> > >> > > > > > >>>>>>>>
> >> > >> > > > > > >>>>>>>
> >> > >> > > > > > >>>>>>
> >> > >> > > > > > >>>>>
> >> > >> > > > > > >>
> >> > >> > > > > >
> >> > >> > > > > >
> >> > >> > > > >
> >> > >> > > >
> >> > >> >
> >> > >>
> >> > >
> >> >
> >>
> >

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