Tom Lane wrote:
> psql's \d command tells you about outgoing foreign key constraints
> (ie, ones referencing another table from this one). It doesn't tell
> you about incoming ones (ie, ones where another table references this
> one). ISTM it'd be a good idea if it did, as "are there any incoming
> foreign keys" seems to be a question we constantly ask when solving
> update-performance problems, and there isn't any easy way to check for
> such. I'm not real sure what the printout should look like, though.
Added to TODO:
o Have \d show foreign keys that reference a table's primary key
http://archives.postgresql.org/pgsql-hackers/2007-04/msg00424.php
-- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB
http://postgres.enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +