you're right, changes in cascading tables are not logged.
Ing. Lennin Caro Pérez Usuario:GNU/LINUX PHP Developer PostgreSQL DBA Oracle DBA Linux counter id 474393 --- On Mon, 2/27/12, Tatsuo Ishii <is...@postgresql.org> wrote: From: Tatsuo Ishii <is...@postgresql.org> Subject: Re: [HACKERS] How to know a table has been modified? To: lennin.c...@yahoo.com Cc: kevin.gritt...@wicourts.gov, firstname.lastname@example.org Date: Monday, February 27, 2012, 4:05 PM Are you suggesting log_statement? I don't think it's a solution by following reasons: 1) it's slow to enable that on busy systems 2) tables affected by cascading delete/update/drop is not logged in PostgreSQL log -- Tatsuo Ishii SRA OSS, Inc. Japan English: http://www.sraoss.co.jp/index_en.php Japanese: http://www.sraoss.co.jp > check the log of postgresql, there you can take the table name and the date > of the modification > > > Ing. Lennin Caro Pérez > > Usuario:GNU/LINUX > > PHP Developer > > PostgreSQL DBA > > Oracle DBA > > Linux counter id 474393 > > --- On Mon, 2/27/12, Tatsuo Ishii <is...@postgresql.org> wrote: > > From: Tatsuo Ishii <is...@postgresql.org> > Subject: Re: [HACKERS] How to know a table has been modified? > To: kevin.gritt...@wicourts.gov > Cc: email@example.com > Date: Monday, February 27, 2012, 12:04 PM > >>> For TRIGGER, I cannot thinking of any way. Any idea will be >>> welcome. >> >> It would require creating "cooperating" triggers in the database and >> having a listener, but you might consider the >> triggered_change_notifications() trigger function included in 9.2. >> It works at least as far back as 9.0; I haven't tried it any further >> back. > > Thanks for the info. It's a little bit overkill for my purpose though. > (on busy systems, the notification would be too frequent). > > I would think that creating a small routine periodically consults > pg_stat_all_tables view and records the last update datetime for each > table (unfortunately the view does not have last modification date). > -- > Tatsuo Ishii > SRA OSS, Inc. Japan > English: http://www.sraoss.co.jp/index_en.php > Japanese: http://www.sraoss.co.jp > > -- > Sent via pgsql-hackers mailing list (firstname.lastname@example.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-hackers