Re: Returning with the inserted id

Graf László wrote:
>
> A sequence to hold the id was defined with:
> CREATE SEQUENCE "public"."test_azon_seq"
> INCREMENT 1 MINVALUE 101
> MAXVALUE 9223372036854775807 START 101
> CACHE 1;
>
> The function wich allocates the id and defines the datum is:
> CREATE FUNCTION test_verif() RETURNS trigger AS $test_verif$
> BEGIN
> select into NEW.id nextval('test_azon_seq');
> NEW.datum := current_timestamp;
> RETURN NEW;
> END;
> $test_verif$ LANGUAGE plpgsql;

I take it this is just an example, because you could do this with
DEFAULTs on both columns.

> When I issue an insert (see below) how can I retrieve the
> inserted value of id? I need something like Oracle's returns
> for insert.
>
> insert into "public"."test" (nev) values ('text');

SELECT currval('public.test_azon_seq');

And yes, it will cope with multiple concurrent connections inserting.
--
Richard Huxton
Archonet Ltd