+1. Thank you for mentioning my paper.
Julian > On Jul 3, 2024, at 5:19 AM, Francis Chuang <francischu...@apache.org> wrote: > > +1, great work, Benchao! > >> On 3/07/2024 10:09 pm, Benchao Li 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