From: Adrian Klaver <aklaver@comcast.net>
To: pgsql-sql@postgresql.org
Subject: Re: Serious problems with non-primary foreign keys
Date: Sun, 13 Sep 2009 11:37:59 -0700
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Cc: Janne <snoopgd@yahoo.com>
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On Friday 11 September 2009 6:26:13 am Janne wrote:
> I'm having some serious problems using PostgreSQL with symfony and
> Doctrine. Here is the error that I've been fighting with for the last
> couple of days: SQLSTATE[25P02]: In failed sql transaction: 7 ERROR: 
> current transaction is aborted, commands ignored until end of transaction
> block. Failing Query: CREATE INDEX company_id ON sf_guard_user_profile
> (company_id) It seems to affect every single non-primary foreign key.
> Turning the key to primary foreign fixes the problem but I don't want it to
> be primary. I can't think of any logical reason why this error would
> happen. Generally there's nothing wrong with using a non-primary (not null)
> foreign key. But Postgre seems to think there is. I know PostgreSQL creates
> an index for every primary key. Since turning the key also into primary
> seems to fix it, should I just define an index for it? I've tried it but
> nothing changes. Here's the relevant SQL: CREATE TABLE
> sf_guard_user_profile (id BIGINT, company_id BIGINT NOT NULL, PRIMARY
> KEY(id)); CREATE TABLE company (company_id INT, PRIMARY KEY(company_id));
> Any ideas on how to fix this? Thank you,
> janneaa

I think more information is required. First the complete transaction. Second the 
complete error message, especially the part that explains what is causing the 
CREATE INDEX command to fail. Third I do not see a FOREIGN KEY reference in the 
SQL you posted.

-- 
Adrian Klaver
aklaver@comcast.net