From: Graf László <graf.laszlo@axis.hu>
To: pgsql-sql@postgresql.org
Subject: Returning with the inserted id
Date: Fri, 02 Sep 2005 11:09:37 +0200
Message-ID: <431816D1.4060905@axis.hu> (raw)
Hi all
A table was created with:
CREATE TABLE test (
id integer,
nev varchar(25),
datum timestamp
);
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;
and the before insert trigger is:
CREATE TRIGGER test_verif
BEFORE INSERT ON test
FOR EACH ROW
EXECUTE PROCEDURE test_verif();
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');
--
László Graf
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