Richard Guo @pgsql_guo

PostgreSQL Developer Beijing Joined August 2023

Tweets

13
Followers

27
Following

63
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42

Richard Guo @pgsql_guo

a year ago

Many thanks to Antti Lampinen for reporting a wrong results issue with merge-right-anti-join. I can't imagine how awful I would feel if this issue had persisted in production for a longer time. postgresql.org/message-id/fla…

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Joe Hellerstein @joe_hellerstein

a year ago

The NYTimes disappoints again. :-(

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Satya Nadella @satyanadella

a year ago

Love seeing how @AndresFreundTec, with his curiosity and craftsmanship, was able to help us all. Security is a team sport, and this is the culture we need everywhere. securityboulevard.com/2024/03/an-acc…

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Joseph Conway @josepheconway

2 years ago

Congratulations to new and updated PostgreSQL Contributors! postgresql.org/message-id/ccb…

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Planet PostgreSQL @planetpostgres

2 years ago

David Rowley (@citusdata): What’s new in the Postgres 16 query planner / optimizer postgr.es/p/6lO

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Richard Guo @pgsql_guo

2 years ago

Glad to be part of it.

DB-Engines @DBEngines

2 years ago

Glad to be part of it.

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Richard Guo @pgsql_guo

2 years ago

Maybe we need to mark Vars nullable by grouping sets, just like we mark Vars nullable by outer joins. Doing that will help fix several long existing semantic bugs in grouping sets. #postgres postgresql.org/message-id/CAM…

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Richard Guo @pgsql_guo

2 years ago

Started looking at the codes in reparameterize_path_by_child() and ended up going down a rabbit hole.. postgresql.org/message-id/fla…

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PostgreSQL @PostgreSQL

2 years ago

News: PostgreSQL 16 RC1 Released! postgresql.org/about/news/pos…

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Euler Taveira @eulerto

439 Followers 191 Following 👨🏽‍💻Software developer. 🐘PostgreSQL contributor. 🇧🇷 Goiano. Goianiense. 🔴⚫ACG-GO.

Shinya Kato @ShinyaKato_

702 Followers 363 Following 🐘 PostgreSQL Engineer at NTT OSS Center // 📚 Co-author of OSS教科書 OSS-DB Silver Ver.3.0対応 (https://t.co/e0p2rpEV12) // 🇯🇵 Tokyo, Japan

Quetzal Bradley @quetzalbradley

77 Followers 417 Following Programmer of computers

sunx @sunxvvv

71 Followers 2K Following database.

Fujii Masao @fujii_masao

1K Followers 249 Following PostgreSQL committer, Database Technical Lead at NTT DATA, maybe good husband & father.

Ken Kato @kkato25

157 Followers 217 Following Infrastructure Engineer @wantedly_dev

Peter Geoghegan @petervgeoghegan

2K Followers 198 Following PostgreSQL hacker. Irish expat. A theoretician's practitioner.

Mayra Johnson @MayraJ31525

8 Followers 115 Following

Pigsty Author, Postgres Hacker, Distribution Maker, Cloud-Exit Han Solo. https://t.co/mnr3YeVr83 | Pigsty - Free/OSS PG Distribution & RDS: https://t.co/NHeBPJXXG8

Vonng @RonVonng

13K Followers 921 Following Pigsty Author, Postgres Hacker, Distribution Maker, Cloud-Exit Han Solo. https://t.co/mnr3YeVr83 | Pigsty - Free/OSS PG Distribution & RDS: https://t.co/NHeBPJXXG8

dineshr @DineshParva

285 Followers 5K Following

Amit Langote @amitlan

385 Followers 193 Following

Ailurophile, bike lover (gravel cycling/mountain biking), coffee drinker (mostly Americano), and open-source enthusiast. Enjoying hacking Postgres

stevelauc @SteveLauC

1K Followers 1K Following Ailurophile, bike lover (gravel cycling/mountain biking), coffee drinker (mostly Americano), and open-source enthusiast. Enjoying hacking Postgres

jasper zeng @JasperZeng0229

2 Followers 25 Following

Work: #PostgreSQL open source community @microsoft, host #TalkingPostgres podcast 🎙️, chair talk selection @PosetteConf, love sailing in Greece ⛵️, alum Sun ☀️

Claire Giordano ✨ @clairegiordano

2K Followers 2K Following Work: #PostgreSQL open source community @microsoft, host #TalkingPostgres podcast 🎙️, chair talk selection @PosetteConf, love sailing in Greece ⛵️, alum Sun ☀️

jackyan @jackyan26081983

79 Followers 2K Following

Tender Wang @tenderwang1990

32 Followers 247 Following PostgreSQL Developer

John the Scott @setspace

515 Followers 6K Following Bounty Coder, Merchant of Light

PostgreSQL hacker working for Microsoft. Likes to make PostgreSQL go faster. When not working, you might find him in the mountains somewhere in New Zealand

David Rowley @davidrowley_pg

525 Followers 74 Following PostgreSQL hacker working for Microsoft. Likes to make PostgreSQL go faster. When not working, you might find him in the mountains somewhere in New Zealand

Former Architect of a Stock Exchange Surveillance System (A neal-real-time massive data analysis sys)
Former PM of 1st Bank PaaS in China.

KunTeng @PIONEER_CN

2 Followers 49 Following Former Architect of a Stock Exchange Surveillance System (A neal-real-time massive data analysis sys) Former PM of 1st Bank PaaS in China.

hacker, runner, baker. always planning my next adventure. @melanieplageman@mastodon.social

Melanie Plageman @melanieplageman

717 Followers 662 Following hacker, runner, baker. always planning my next adventure. @[email protected]

GuyFromDelhi @GuyFromDelhi

94 Followers 152 Following Postgres Engineer. Bug hunter. Fly-by-night developer. and a huge tgl@ fan :) - Opinions here are my own... not my employer.

Databases (mainly #PostgreSQL) stuff 🐘 - #PostgreSQL Major Contributor - @awscloud & all opinions are mine. 👉 https://t.co/cPag5SjXzc - @SLUCbasketNancy 🏀

Bertrand Drouvot @BertrandDrouvot

2K Followers 619 Following Databases (mainly #PostgreSQL) stuff 🐘 - #PostgreSQL Major Contributor - @awscloud & all opinions are mine. 👉 https://t.co/cPag5SjXzc - @SLUCbasketNancy 🏀

Ariel Duan @arielminduan

7 Followers 22 Following

weifang.sun @Weifang_Sun

3 Followers 11 Following software engineer.

Higgs Cat @cursed_keyboard

6 Followers 227 Following

Thomas Munro @MengTangmu

2K Followers 370 Following PostgreSQL and sometimes FreeBSD hacker. https://t.co/xNzXgIYxiF, tmunro on libera

Ray Von @RayvonFeng

50 Followers 50 Following Founder and CEO of #OpenPie. #PieCloudDB product strategist.

Euler Taveira @eulerto

439 Followers 191 Following 👨🏽‍💻Software developer. 🐘PostgreSQL contributor. 🇧🇷 Goiano. Goianiense. 🔴⚫ACG-GO.

PGConf.dev 🐘 @PGConfdev

483 Followers 0 Following Bringing together everyone interested in #PostgreSQL development 🐘 Save the date: May 19-22, 2026 📅 in Vancouver 🍁

Copy & paste & googling for living. From Kanazawa 🇯🇵. Listen to compiler and linter complaints at pganalyze. Prev: Netlify keicop & Heroku Detective

Keiko Oda @keiko713

971 Followers 645 Following Copy & paste & googling for living. From Kanazawa 🇯🇵. Listen to compiler and linter complaints at pganalyze. Prev: Netlify keicop & Heroku Detective

PGCon is the place to meet, discuss, build relationships, learn valuable insights, and generally chat about the work you are doing with PostgreSQL

PostgreSQL Conference... @PGCon

4K Followers 0 Following PGCon is the place to meet, discuss, build relationships, learn valuable insights, and generally chat about the work you are doing with PostgreSQL

👋 All things #PostgreSQL at Microsoft, including PG core #OpenSource contributions, @AzureDBPostgres & PG ecosystem work (eg Citus, PgBouncer, Patroni) 🐘 🌎

pg at Microsoft 💻�... @pg_at_msft

84 Followers 16 Following 👋 All things #PostgreSQL at Microsoft, including PG core #OpenSource contributions, @AzureDBPostgres & PG ecosystem work (eg Citus, PgBouncer, Patroni) 🐘 🌎

Fujii Masao @fujii_masao

1K Followers 249 Following PostgreSQL committer, Database Technical Lead at NTT DATA, maybe good husband & father.

Oleg Bartunov @obartunov

2K Followers 253 Following Research sci at Sternberg Astronomical Institute, Moscow University CEO Postgres Professional

Satya Nadella @satyanadella

3.5M Followers 293 Following Chairman and CEO at Microsoft

Andrey Borodin @x4mmmmmm

502 Followers 137 Following

Bertrand Drouvot @BertrandDrouvot

2K Followers 619 Following Databases (mainly #PostgreSQL) stuff 🐘 - #PostgreSQL Major Contributor - @awscloud & all opinions are mine. 👉 https://t.co/cPag5SjXzc - @SLUCbasketNancy 🏀

Alexander Kukushkin @cyberdemn

1K Followers 280 Following Principal Software Engineer at @Microsoft @citusdata. Maintainer of the #Patroni - @PostgreSQL #HA tool

子茄 @ant_sz

9K Followers 993 Following Software Engineer @ Tokyo. Database Enthusiast. Work for fun. {🏂，☕} #日本旅游 #吃吃喝喝 #读篇paper

Shinya Kato @ShinyaKato_

702 Followers 363 Following 🐘 PostgreSQL Engineer at NTT OSS Center // 📚 Co-author of OSS教科書 OSS-DB Silver Ver.3.0対応 (https://t.co/e0p2rpEV12) // 🇯🇵 Tokyo, Japan

Product and eng @crunchydata. I blog at https://t.co/K49pnYYXpL Curate https://t.co/0DWATfO0yf. Previously @Microsoft, @citusdata, @Heroku, Truviso

Craig Kerstiens @craigkerstiens

9K Followers 884 Following Product and eng @crunchydata. I blog at https://t.co/K49pnYYXpL Curate https://t.co/0DWATfO0yf. Previously @Microsoft, @citusdata, @Heroku, Truviso

Masahiko Sawada @masahiko_sawada

3K Followers 1K Following PostgreSQL Major Contributor & Committer.

Bharath Rupireddy @BRupireddy

109 Followers 387 Following PostgreSQL Contributor @ AWS

Talk to me if you have issues with your Postgres databases: nik@postgres.ai // I stand with Ukraine // @postgres_ai & @Database_Lab & @PostgresFM

Nik Samokhvalov @samokhvalov

11K Followers 51 Following Talk to me if you have issues with your Postgres databases: [email protected] // I stand with Ukraine // @postgres_ai & @Database_Lab & @PostgresFM

Azure Database for Po... @AzureDBPostgres

3K Followers 241 Following Official account for fully-managed database service for #PostgreSQL on Microsoft @Azure. 🐘

Hironobu SUZUKI @suzuki_hironobu

1K Followers 64 Following Software engineer https://t.co/lBKMBbM3jf https://t.co/uRsaLixd5l bsky: https://t.co/OEvk0e61Vs

Please find me at
@pwramsey@mastodon.social
@pwramsey.bsky.social

Paul Ramsey @pwramsey

7K Followers 232 Following Please find me at @[email protected] @pwramsey.bsky.social

OpenAI’s mission is to ensure that artificial general intelligence benefits all of humanity. We’re hiring: https://t.co/dJGr6Lg202

OpenAI @OpenAI

4.3M Followers 3 Following OpenAI’s mission is to ensure that artificial general intelligence benefits all of humanity. We’re hiring: https://t.co/dJGr6Lg202

Mountain biker. Dev turned sysadmin. Websites & databases. Conference organizer. Practical examples are best. Pizza. Beer. Movies. (he/him)

Dan Langille @dvl@bsd... @DLangille

3K Followers 522 Following Mountain biker. Dev turned sysadmin. Websites & databases. Conference organizer. Practical examples are best. Pizza. Beer. Movies. (he/him)

weifang.sun @Weifang_Sun

3 Followers 11 Following software engineer.

Ariel Duan @arielminduan

7 Followers 22 Following

Claire Giordano ✨ @clairegiordano

2K Followers 2K Following Work: #PostgreSQL open source community @microsoft, host #TalkingPostgres podcast 🎙️, chair talk selection @PosetteConf, love sailing in Greece ⛵️, alum Sun ☀️

Mostly tweets about Postgres, Crunchy Data, and Postgres extensions.

Formerly Crunchy Data, Microsoft, Citus Data, AWS, TCD, VU

Marco Slot @marcoslot

1K Followers 656 Following Mostly tweets about Postgres, Crunchy Data, and Postgres extensions. Formerly Crunchy Data, Microsoft, Citus Data, AWS, TCD, VU

Fujitsu Postgres @FujitsuPostgres

698 Followers 107 Following Fujitsu is a leader in Postgres open source DBMS - one of the world's most advanced open source database systems.

$PostgreSQL hacker @ Neon (@neondatabase) Opinions are my own - ∃RT ¬(RT∈{Endorsements}) Fediverse: @mmeent_pg@fosstodon.org$

Matthias van de Meent... @mmeent_pg

237 Followers 70 Following PostgreSQL hacker @ Neon (@neondatabase) Opinions are my own - ∃RT ¬(RT∈{Endorsements}) Fediverse: @[email protected]

Dave Cramer 🇨🇦 @dave_cramer

3K Followers 515 Following PostgreSQL Major Contributor. JDBC, PL/R opinions are my own

markwkm @markwkm

225 Followers 56 Following

Postgres Friends @PostgresFriends

384 Followers 101 Following The PostgreSQL Friends

opensource advocate. @postgresql core team, committer, infrastructure team, board of @postgresqleu, sailor. working at https://t.co/hA9OMICq8n

Magnus Hagander @magnushagander

3K Followers 368 Following opensource advocate. @postgresql core team, committer, infrastructure team, board of @postgresqleu, sailor. working at https://t.co/hA9OMICq8n

EDB @EDBPostgres

9K Followers 1K Following The leading Postgres data and AI company

迟猫猫🐱 @iskyzh

30K Followers 1K Following 这个人很菜，什么也不会 / 面对命中注定的失败

Database Engineer working at Hewlett Packard Enterprise Japan.
Redgate 100 in 2022, Oracle ACE Pro, PostgreSQL Developer, SQL Server, Vertica, etc

Noriyoshi Shinoda @nori_shinoda

2K Followers 538 Following Database Engineer working at Hewlett Packard Enterprise Japan. Redgate 100 in 2022, Oracle ACE Pro, PostgreSQL Developer, SQL Server, Vertica, etc

Krishnakumar R (KK) @kkwriting

220 Followers 201 Following Kubernetes, containers and Data @Azure | https://t.co/960e1EUhUa | https://t.co/rlLKIHKYjh | Opinions are my own !

heikki_linnakangas @HLinnakangas

128 Followers 4 Following Co-founder of Neon. PostgreSQL hacker.

Peter Eisentraut @petereisentraut

2K Followers 63 Following technical debt broker • @postgresql hacker • @EDBPostgres | https://t.co/Dt2pXpfudU

Principal Product Manager Technical - @AWSCloud, @PostgreSQL Core Team member. Helping people to adopt and learn @PostgreSQL! Opinions are my own.

Jonathan S. Katz @jkatz05

3K Followers 566 Following Principal Product Manager Technical - @AWSCloud, @PostgreSQL Core Team member. Helping people to adopt and learn @PostgreSQL! Opinions are my own.

Alicja Kucharczyk @StiepanTrofimo

507 Followers 558 Following My opinions are my dog's. Moving to the Bluesky: https://t.co/a2pm5Ll2dn

Peter Geoghegan @petervgeoghegan

2K Followers 198 Following PostgreSQL hacker. Irish expat. A theoretician's practitioner.

Crunchy Data @crunchydata

6K Followers 2K Following Trusted Open Source PostgreSQL and Enterprise PostgreSQL Support, Technology and Training

Ray Von @RayvonFeng

50 Followers 50 Following Founder and CEO of #OpenPie. #PieCloudDB product strategist.

Amit Langote @amitlan

385 Followers 193 Following

DEACTIVATED @alvherre

1K Followers 3 Following mastodon: [email protected]

tglbot @regardstomlane

428 Followers 11 Following I am a bot relaying some Postgres mailing list excerpts from Postgres veteran Tom Lane.

Julien Rouhaud @rjuju123

482 Followers 242 Following #PostgreSQL Major Contributor, developer, DBA

OpenPie's flagship product #PieCloudDB_database is based on data warehouse virtualization, release the infinite #data_computing possibilities.

OpenPie @OpenPie_TSP

57 Followers 4 Following OpenPie's flagship product #PieCloudDB_database is based on data warehouse virtualization, release the infinite #data_computing possibilities.