From: Merlin Moncure <mmoncure@gmail.com>
To: salah jubeh <s_jubeh@yahoo.com>
Cc: pgsql-general@postgresql.org
Sent: Wed, June 1, 2011 4:54:36 PM
Subject: Re: [GENERAL] currval = currval+1
On Wed, Jun 1, 2011 at 9:27 AM, salah jubeh <
s_jubeh@yahoo.com> wrote:
> I have the following SQL statements
>
> BEGIN;
> -- account_id is a sequence
> INSERT INTO account (name) VALUES ('test customer'||random()::text);
> -- account_id is a foreign key
> INSERT INTO account_detail (account_id,......) VALUES ((SELECT * from
> currval('account_acccount_id_seq')), ........);
> COMMIT;
>
> ERROR: insert or update on table "account_detail" violates foreign key
> constraint ...
>
>
>
> I have executed the above without a transaction but in the same session, and
> the issue was that the current value of the account points to the curval + 1
>
> I have solved the above by subtracting 1 in the second insert statement. Why
> I am having this problem, I have used current value many time and this is
> the first time I have this behavior.
works for me -- are you sure you don't have a trigger or something
else going on behind the scenes?
merlin
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