+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 > >
