From: | Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com> |
---|---|
To: | Brian <Brian(at)McSweeney(dot)iol(dot)ie> |
Cc: | <pgsql-sql(at)postgresql(dot)org> |
Subject: | Re: INSERT question |
Date: | 2001-11-15 15:03:16 |
Message-ID: | 20011115070141.P7025-100000@megazone23.bigpanda.com |
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Thread: | |
Lists: | pgsql-sql |
On 13 Nov 2001, Brian wrote:
> Hi everyone,
> I've a little question about using insert statements. I've got a
> parent table with a "serial" (automatically incrementing integer)
> primary key. I have a child table with a foreign key which references
> that primary key. My question is:
>
> To insert values into the child table corresponding to an entry in the
> parent table, how do I get a reference to the serial primary key (so
> as I can reference it for the foreign key entry)
>
> Hope you understand what I mean. This should be a regular occurance
> and seeing as I'm not an sql guru, I just don't have a clue!
I'd say use select currval('<sequence name generated by serial>');
Serial is really just a handy wrapper around a sequence and a column
default, so I'd suggest reading the docs on sequences.
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