Re: Help trying to write my first plpgsql function...

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От hubert depesz lubaczewski
Тема Re: Help trying to write my first plpgsql function...
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Msg-id 9e4684ce05091910516c189b89@mail.gmail.com
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Ответ на Re: Help trying to write my first plpgsql function...  (Bjørn T Johansen <btj@havleik.no>)
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On 9/19/05, Bjørn T Johansen <btj@havleik.no> wrote:
CREATE OR REPLACE FUNCTION trykkStatus (pressID INTEGER)
RETURNS SetOf trykkstatus_type AS '
DECLARE
    orderID ordrenew.id%TYPE;
    tmprec trykkstatus_type%ROWTYPE;
BEGIN
select id into orderID from ordrenew where now() between trykkstart and produsert and
presseid = pressID limit 1;
if not found then
   return;
end if;
select into tmprec (select 1 as colid, ordrenew.id, trykkstart, produsert,
presseid, product.name from ordrenew left outer join product on ordrenew.productid =
product.id where produsert < (select trykkstart from ordrenew where id=orderID) and
presseid = pressID order by produsert desc limit 1);


why do you use subselect here?
just do:
select 1 as colid, ordenew.id..... into tmprec from ordrenew left ....;
 
return next tmprec;
END;

dont forget to add "return;" before END;

depesz

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