+1 Thanks Stamatis! Best, Chunwei
On Tue, Apr 11, 2023 at 9:59 AM LakeShen <[email protected]> wrote: > +1, Thanks Stamatis.It clearly helps me to understand the latest progress > of Calcite community > > Best, > Lake Shen > > Dan Zou <[email protected]> 于2023年4月7日周五 20:43写道： > > > +1, Thanks Stamatis > > Best, > > Dan Zou > > > > > > > > > > > > > 2023年4月7日 10:11，Benchao Li <[email protected]> 写道： > > > > > > +1, it's very insightful, thanks Stamatis! > > > > > > Francis Chuang <[email protected]> 于2023年4月7日周五 05:48写道： > > > > > >> +1 Thanks Stamatis! > > >> > > >> On 7/04/2023 4:44 am, Ruben Q L wrote: > > >>> Thanks Stamatis for preparing the report. > > >>> LGTM. > > >>> > > >>> > > >>> On Thu, Apr 6, 2023 at 1:17 PM Stamatis Zampetakis < > [email protected]> > > >>> wrote: > > >>> > > >>>> Hello, > > >>>> > > >>>> Below you can find a draft of this quarter's board report. I plan to > > >>>> submit it next Tuesday (April 11, 2023). > > >>>> Please let me know if you have any additions or corrections. > > >>>> > > >>>> Best regards, > > >>>> Stamatis > > >>>> --------------------------------------------------------- > > >>>> > > >>>> ## Description: > > >>>> Apache Calcite is a highly customizable framework for parsing and > > >> planning > > >>>> queries on data in a wide variety of formats. It allows > database-like > > >>>> access, > > >>>> and in particular a SQL interface and advanced query optimization, > for > > >> data > > >>>> not residing in a traditional database. > > >>>> > > >>>> Avatica is a sub-project within Calcite and provides a framework for > > >>>> building > > >>>> local and remote JDBC and ODBC database drivers. Avatica has an > > >> independent > > >>>> release schedule and its own repository. > > >>>> > > >>>> ## Issues: > > >>>> There are no issues requiring board attention. > > >>>> > > >>>> ## Membership Data: > > >>>> Apache Calcite was founded 2015-10-22 (7 years ago) > > >>>> There are currently 63 committers and 27 PMC members in this > project. > > >>>> The Committer-to-PMC ratio is 7:3. > > >>>> > > >>>> Community changes, past quarter: > > >>>> - Benchao Li was added to the PMC on 2023-01-27 > > >>>> - Alex Plehanov was added as committer on 2023-01-06 > > >>>> - Jiajun Xie was added as committer on 2023-02-10 > > >>>> - Istvan Toth was added as committer on 2023-01-25 > > >>>> > > >>>> ## Project Activity: > > >>>> Apache Calcite 1.34.0 was released on 2023-03-14. It contains > > >> contributions > > >>>> from 18 contributors, and resolves 34 issues. It’s worth > highlighting > > >> the > > >>>> introduction of QUALIFY clause (CALCITE-5268), which facilitates > > >> filtering > > >>>> the > > >>>> results of window functions. Among other improvements and fixes, it > > adds > > >>>> roughly 15 new functions in BigQuery library for handling dates, > > times, > > >> and > > >>>> timestamps. > > >>>> > > >>>> Apache Calcite 1.33.0 was released on 2023-02-06. It contains > > >> contributions > > >>>> from 33 contributors, and resolves 107 issues. It’s worth > highlighting > > >> the > > >>>> support for custom time frames (CALCITE-5155), the new MEASURE type > > and > > >>>> AGGREGATE aggregate function (CALCITE-5105) as well as the many > > >>>> improvements > > >>>> to the BigQuery dialect (CALCITE-5180). > > >>>> > > >>>> Apache Calcite Avatica 1.23.0 was released on 2023-01-19. It fixes > > bugs > > >> in > > >>>> Statement.getUpdateCount(), ResultSet.getObject; and supports > > >>>> HTTP_BAD_REQUEST > > >>>> and configuring fetch size and SSL key-store type. Also, there are > > >> various > > >>>> improvements to DateTimeUtils and ByteString. > > >>>> > > >>>> On 2023-03-15, there was an online meetup of the Calcite community > > with > > >>>> approximately 50 participants joining the call. We had three very > > >>>> interesting > > >>>> presentations around adding measures in SQL, incremental view > > >> maintenance > > >>>> for > > >>>> streaming engines, and debugging planner issues, followed by open > > >>>> discussion. > > >>>> The videos from the meetup as well as the slides were published > online > > >>>> shortly > > >>>> after the event. > > >>>> > > >>>> ## Community Health: > > >>>> The project remains super healthy and there is a general increase in > > >>>> traffic > > >>>> almost in every aspect of the project (dev@, JIRA, and GitHub). > > >>>> > > >>>> The most notable increase in traffic was for dev mailing list (46%). > > One > > >>>> factor that led to this increase is the addition of four new members > > in > > >> the > > >>>> project and the traditional welcoming emails that usually come > along. > > >>>> Another > > >>>> one, would probably be the various discussion/votes around releases; > > we > > >> had > > >>>> more this quarter compared to our usual cadence. Last there were > also > > >> some > > >>>> changes in the CI (SonarCloud intergration) that sparked some > > additional > > >>>> exchanges. > > >>>> > > >>>> The number of non-committer (contributor) commits per month: > > >>>> +---------------------+---------------------+---------------------+ > > >>>> | year | month | contributor_commits | > > >>>> +---------------------+---------------------+---------------------+ > > >>>> | 2023 | 1 | 20 | > > >>>> | 2023 | 2 | 15 | > > >>>> | 2023 | 3 | 17 | > > >>>> +---------------------+---------------------+---------------------+ > > >>>> > > >>>> The number of active reviewers per month: > > >>>> +---------------------+---------------------+---------------------+ > > >>>> | year | month | active_reviewers | > > >>>> +---------------------+---------------------+---------------------+ > > >>>> | 2023 | 1 | 4 | > > >>>> | 2023 | 2 | 5 | > > >>>> | 2023 | 3 | 4 | > > >>>> +---------------------+---------------------+---------------------+ > > >>>> > > >>>> Top-3 reviewers in the last quarter: > > >>>> +-----------+---------------------+ > > >>>> | committer | reviews | > > >>>> +-----------+---------------------+ > > >>>> | Julian Hyde <[email protected]> | 34 | > > >>>> | Benchao Li <[email protected]> | 9 | > > >>>> | Stamatis Zampetakis <[email protected]> | 4 | > > >>>> +-----------+---------------------+ > > >>>> > > >>>> The number of non-commiter commits has almost doubled in the last > > >> quarter > > >>>> which is a good thing. Unfortunately the number of active reviewers > is > > >>>> still pretty low and few individuals namely Julian Hyde, and Benchao > > Li > > >>>> are pulling almost all the weight of reviewing contributors work. > > >>>> > > >>> > > >> > > > > > > > > > -- > > > > > > Best, > > > Benchao Li > > > > >
