Re: Foreign Key: what value?

am 05.07.2006, um 17:19:26 +0200 mailte Davi Leal folgendes:
> Hi,
> How to know the value which I must set in the foreign key field?. I have two
> tables:
>
>
> CREATE TABLE AAAAAA (
> Id SERIAL PRIMARY KEY,
> data char(9)
> );
>
> CREATE TABLE BBBBBB (
> BBBBBB_Id integer REFERENCES AAAAAA(Id) NOT NULL,
> field char(5)
> );
>
>
>
>
> I insert a register on table AAAAAA,
>
> INSERT INTO AAAAAA (data) VALUES ('123456789');
>
>
> and then, I want to insert a related register in table BBBBBB, but I do not
> know how get the proper value to the Foreign key BBBBBB_Id. Note that a lot of

currval() is your friend:
17:33 < akretschmer> ??currval
17:33 < pg_docbot_ads> For information about 'currval' see:
17:33 < pg_docbot_ads> http://www.postgresql.org/docs/current/static/functions-sequence.html

HTH, Andreas
--
Andreas Kretschmer (Kontakt: siehe Header)
Heynitz: 035242/47215, D1: 0160/7141639
GnuPG-ID 0x3FFF606C http://wwwkeys.de.pgp.net
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