你好！希望你在过去的新年假期度过了一段愉快的时光。感谢你浏览 12 月份最新一期 Cloudberry Database 社区简报！

在本简报中，我我们将分享项目最新更新、关键改进和社区成员贡献成果。一起看看有哪些新动态吧。

Pull Request 清单

• Add guc gp_enable_explain_motion_detail to show sender time when Explain Analyse #352 by @songdongxiaoa2
• Turn on enable_shared_postgres_backend by default #351 by @gfphoenix78
• Change MAX_TARABLE_SYMLINK_PATH_LENGTH to 200 #350 by @shmiwy
• Fix compile error that pipe is redefined #349 by @gfphoenix78
• [Answer Query Using Materialized Views] Correct PlannerInfo fields after rewritten. #348 by @avamingli
• Add macro RelationIsNonblockRelation to expand code path like AO/CO #347 by @gfphoenix78
• Feature: Orca optimizor support pax storage table #346 by @gfphoenix78
• Feature encoding option for custom table AM #343 by @gfphoenix78
• [Answer Query Using Materialized Views] Support GROUP BY, GROUPING SETS, ROLLUP, CUBE in origin query. #342 by @avamingli
• Rename postgres.so to libpostgres.so #341 by @gfphoenix78
• Fix issues about namespace pg_ext_aux #340 by @gfphoenix78
• Dispatch by shared memory #339 by @Ray-Eldath
• Add callback in TableAmRoutine to handle swapping relation files #338 by @gfphoenix78
• Check index unique & skip prefetch for non-heap relation #337 by @gfphoenix78
• Add reloption support for custom table access method #336 by @gfphoenix78
• Add custom object class support #335 by @gfphoenix78
• Add namespace pg_ext_aux for extension #333 by @gfphoenix78
• Add dml hook for extensions #332 by @gfphoenix78
• Move struct workfile_set to workfile_mgr.c #331 by @gfphoenix78
• Fix \d in psql to show correct storage name from pg_am #330 by @gfphoenix78
• Refactor the table AM: scan_begin_extractcolumns to contain execution context #329 by @gfphoenix78
• Expose some functions to support PAX for partition tables #328 by @gfphoenix78
• Enable SingleQE join with SegmentGeneralWorkers #327 by @avamingli
• Fix: may cause UAF problem in get_size_from_segDBs #326 by @jiaqizho
• Fix: Illegal PGnotify declaration #325 by @jiaqizho
• Doc: update README.md for CloudberryDB #324 by @tuhaihe
• [Answer Query Using Materialized Views] Compute Aggregations on Materialized Views. #322 by @avamingli
• [Answer Query Using Materialized Views] Refactor codes to new file aqumv.c #321 by @avamingli
• Use FDW to query multiple servers as shards #320 by @oppenheimer01

Issue 清单

• [Bug] [AQUMV]ERROR: invalid attnum 3 for relation "aqumv_t2" (ruleutils.c:7260) #344 by @avamingli
• [Bug] Run gpstop -m should shutdown with mode maintenance instead of smart #334 by @tuhaihe
• Clean up CBDB_PARALLEL_FIXME #323 by @avamingli

工具与周边

我们最近发布了 Cloudberry Database 备份工具 - gpbackup for CloudberryDB。我们邀请你进行体验试用，更多 Cloudberry Database 工具和扩展正在推进中，敬请期待。

此外，我们已经完成了新网站的原型设计工作，未来几个月将进行开发工作，敬请期待。

我们还要感谢我们的文档团队，他们正在努力验证和编写文档。

贡献者

🎈️🎊️ 感谢以下贡献者在本月对 Cloudberry Database 的贡献，无论是提交 Pull Request、报告 issue 还是更新网站或文档，都让 Cloudberry Database 项目和社区越来越好，我们都欢迎：

@songdongxiaoa2, @gfphoenix78, @shmiwy, @avamingli, @Ray-Eldath, @jiaqizho, @tuhaihe, @oppenheimer01, @IdaLee666, @TomShawn

加入我们

Cloudberry Database 致力于打造中立、开放和友好的数据库技术社区，我们面向任何人保持开放，无论其经验水平如何。我们鼓励各种类型的贡献，无论大小多少，可参考《贡献指南》查看可参与贡献的方式。

除此之外，我们为社区成员提供了丰富的交流、求助和获取反馈的渠道，可查看支持页面了解详情。如有任何问题或反馈，大胆求助即可，我们乐意帮助！

加入我们，成为社区成员的一份子吧！