+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
