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Japan has been an early and vigorous adopter of PostgreSQL (back in 2006, when PostgreSQL was still...

Posted at 10:48 PM

Let's assume you have a CSV file which looks like this:

    $ head -5 /tmp/prod.csv
    2,6,ACADEMY ACE,EWAN RICKMAN,20.99,0,6289
    4,3,ACADEMY AFFAIR,ALAN MARX,14.99,0,8042
Posted at 3:34 PM

Recently I needed to put together some simple design diagrams in a hurry and it occurred to me that pgAdmin's Graphical Query Builder would be just the thing. Admittedly its layout functionality is limited to creating boxes with tablename and columns, and drawing lines without fancy arrows between columns on different tables, but it's enough to sketch out basic entity relationships.

Posted at 12:44 PM

A recent thread on -general sparked my interest as I'm working with a large and heterogeneous code base recently converted from Oracle which makes heavy use of TO_DATE(), and it seems this function has a couple of gotchas worthy of consideration.

Posted at 5:28 AM

January 18th (Saturday): 3rd PostgreSQL Unconference@Tokyo

Time: 13:30 ~ 17:30
Location: Asushisuto Seminar Room, 4-2-1 Kudanshita-kita, Chiyoda-ku (東京都千代田区九段北4-2-1) (map)
Closest station: Ichigaya
Link: http://atnd.org/events/46187

Informal "unconference" event with no fixed agenda. Presentations mainly in Japanese, but English-speakers (and speakers in English) more than welcome. Unfortunately I won't be able to attend this time :(

February 1st (Saturday): 28th PostgreSQL Study Group

Time: 13:00 ~ 17:30
Location: AIIT Satellite Campus, 1-18-13 Soto-kanda, Chiyoda-ku (map)
Closest station: Akihabara
Link: http://www.postgresql.jp/wg/shikumi/shikumi28/view


  1. SAWADA Masahiko: Understanding the VACUUM source code
  2. HAYAMIZU Yuto: Performance Measurements Pt. II - Practical Session
  3. NAKANISHI Yoshinori: Monitoring PostgreSQL with Zabbix

(subject titles are my own translation)

PostgreSQL specialist wanted

While I'm at it, my employer is actively seeking a PostgreSQL specialist to assist with various database migration projects in the financial sector. Finance experience welcome but not necessary; reasonable competence in spoken/written Japanese preferred. Details here.

Posted at 5:35 AM

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