Re: INSERT question
| От | Stephan Szabo |
|---|---|
| Тема | Re: INSERT question |
| Дата | |
| Msg-id | 20011115070141.P7025-100000@megazone23.bigpanda.com обсуждение исходный текст |
| Ответ на | INSERT question (Brian@McSweeney.iol.ie (Brian)) |
| Список | 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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