On Wed, Aug 25, 2010 at 10:02 AM, Simon Riggs <si...@2ndquadrant.com> wrote: > On Wed, 2010-08-25 at 15:51 +0200, Markus Wanner wrote: >> Simon, >> >> On 08/25/2010 11:53 AM, Simon Riggs wrote: >> > ..we want to ensure that the PK value.. >> >> ..or any other possibly referenced attributes? > > Don't think that's relevant. > > "referenced" meaning "by an RI constraint", which only ever refers to > PKs in other tables.
That doesn't appear to be correct: rhaas=# create table p (a integer primary key, b integer not null, unique (b)); NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "p_pkey" for table "p" NOTICE: CREATE TABLE / UNIQUE will create implicit index "p_b_key" for table "p" CREATE TABLE rhaas=# create table r (b integer not null references p (b)); CREATE TABLE -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise Postgres Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
