Re: currval = currval+1 - Mailing list pgsql-general

From Merlin Moncure
Subject Re: currval = currval+1
Date
Msg-id BANLkTim19xJ9TS7Y=GJ7ad8A=Sgqctt17w@mail.gmail.com
Whole thread Raw
In response to currval = currval+1  (salah jubeh <s_jubeh@yahoo.com>)
Responses Re: currval = currval+1
List pgsql-general
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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