Re: plpgsql question
От | Pandurangan R S |
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Тема | Re: plpgsql question |
Дата | |
Msg-id | 5e744e3d0601042158v69269fb7r5a57fa114487ec19@mail.gmail.com обсуждение исходный текст |
Ответ на | plpgsql question (Matthew Peter <survivedsushi@yahoo.com>) |
Ответы |
Re: plpgsql question
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Список | pgsql-general |
Assuming records is the name of a table... create or replace function getrecord(int,text) RETURNS SETOF records as $$ DECLARE row records%rowtype; BEGIN FOR row IN SELECT * FROM my_tbl WHERE ... LOOP RETURN NEXT row; END LOOP; RETURN; END; $$ LANGUAGE plpgsql; On 1/5/06, Matthew Peter <survivedsushi@yahoo.com> wrote: > I'm trying to do a simple SELECT * in plpgsql that returns a set of records > as a row w/ columns, not a row into a variable, w/ some conditionals. > > The function below is semi-pseudo with what I'm trying to... If anyone > could give me an example that works by returning it as a resultset > maintaining the columns, that would be awesome and I could take it from > there. > > I've read the pl/pgsql section of the docs and the Douglas book but I'm > still confused on this issue... > > Thanks > > create or replace function getrecord(int,text) RETURNS SETOF records as $$ > DECLARE > -- event := rows to return from the table below > > BEGIN > event := SELECT * FROM my_tbl > WHERE 1 = 1 > and my_tbl_id IN (0$1) || > ' IF $2 IS NOT NULL THEN' || and username = $2 || 'END IF;' > ; -- end sql statement > > RETURN event; > > END; > $$ LANGUAGE plpgsql; > > > > > ________________________________ > Yahoo! DSL Something to write home about. Just $16.99/mo. or less > >
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