+1 Thanks Benchao!
--
Michael Mior
mm...@apache.org

On Wed, Jul 3, 2024 at 8:10 AM Benchao Li <libenc...@apache.org> wrote:

> Hello,
>
> Below you can find a draft of this quarter's board report. I plan to
> submit the final version next Tuesday (Jul 9, 2024).
>
> Please let me know if you have any additions or corrections.
>
>
> ## 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.
>
> ## Project Status:
> There are no issues requiring board attention.
>
> ## Membership Data:
> Apache Calcite was founded 2015-10-22 (9 years ago)
> There are currently 74 committers and 28 PMC members in this project.
> The Committer-to-PMC ratio is roughly 5:2.
>
> Community changes, past quarter:
> - No new PMC members. Last addition was Sergey Nuyanzin on 2024-03-05.
> - No new committers. Last addition was Hongyu Guo on 2023-11-03.
>
> ## Project Activity:
> Apache Calcite Avatica 1.25.0 was released on 2024-04-05. It is a routine
> release featuring support for JDK 21, Gradle 8.5 and several bug fixes.
>
> Apache Calcite 1.37.0 was released on 2024-05-04. It contains contributions
> from 46 contributors, and resolves 138 issues. It introduces Apache Arrow
> adapter and StarRocks dialect, adds support for lambda expressions in SQL
> and
> ‘Must-filter’ columns. For table function calls it is now possible to use
> them
> without TABLE() wrapper in FROM. Furthermore, there is support for optional
> FORMAT of CAST operator from SQL:2016 and more than 15 new SQL functions in
> various libraries such as BigQuery, PostgreSQL and Spark.
>
> Besides releases, it's worth to mention that Julian Hyde presented
> "Measures
> in SQL" both in SF Distributed Systems Meetup in downtown SF on Wednesday
> May
> 22nd, and SIGMOD 2024 conference in Santiago, Chile, which has been
> implemented in Calcite.
>
> ## Community Health:
> The community maintains a healthy status, previously it's super healthy.
> The
> reason is that we did not invite new committers for more than 6 months.
> There
> are a few new faces in the community, hopefully we'll invite new
> committers in
> the near future.
>
> Most of the statistics slightly decreased compared to last quarter (dev@
> decreased by 39%, issues@ decreased by 22%, commits decreased by 31%, code
> contributors decreased by 32%, active reviewers decreased by 36.8%). The
> reason I can see is there is less activity in supporting new SQL functions
> in
> various libraries recently, which is much more active in previous quarters.
>
>
> The number of non-committer (contributor) commits per month:
> +------+-------+---------------------+
> | year | month | contributor_commits |
> +------+-------+---------------------+
> | 2024 |     4 |                  13 |
> | 2024 |     5 |                  11 |
> | 2024 |     6 |                  15 |
> +------+-------+---------------------+
>
> The number of active reviewers per month:
> +------+-------+------------------+
> | year | month | active_reviewers |
> +------+-------+------------------+
> | 2024 |     4 |                5 |
> | 2024 |     5 |                4 |
> | 2024 |     6 |                3 |
> +------+-------+------------------+
>
> Top reviewers in the last 3 months:
> +----------------------------------+---------+
> | committer                        | reviews |
> +----------------------------------+---------+
> | Mihai Budiu <mbu...@feldera.com> |      19 |
> | NobiGo <nobigo...@gmail.com>     |       9 |
> | Julian Hyde <jh...@apache.org>   |       3 |
> +----------------------------------+---------+
>
>
> Best,
> Benchao Li
>

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