Re: passing cursors from one PL function to another

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От Martín Marqués
Тема Re: passing cursors from one PL function to another
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Msg-id CABeG9LtaV8MQJm2Y6cV8LuZNLfiGybx5VBKRkuvxP=CEUMLE_g@mail.gmail.com
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Ответ на passing cursors from one PL function to another  (Martín Marqués <martin.marques@gmail.com>)
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Sorry, pressed send. :-(

I have, as the functions show below, 2 functions that call one
another, passing a cursor (AFAIK). The problem is that it doesn't
work, giving errors when executing the last SELECT.

Is it posible to pass a cursor from one function to another?

El día 25 de agosto de 2011 21:46, Martín Marqués
<martin.marques@gmail.com> escribió:
> CREATE OR REPLACE FUNCTION prueba_cursor(codigo integer, curCursor refcursor)
>   RETURNS SETOF refcursor AS
> $BODY$
> DECLARE
>       cur alias for $2;
> BEGIN
>       PERFORM mpf.ConstruyeCursorDesdeQuery('cur' ,'SELECT * from
> tab1 WHERE field < 11000');
> END;
> $BODY$
> LANGUAGE 'plpgsql' VOLATILE
> COST 100
> ROWS 1000;
>
> CREATE OR REPLACE FUNCTION construyecursordesdequery(refcursor, query text)
>   RETURNS SETOF refcursor AS
> $BODY$
> BEGIN
>   OPEN $1 FOR Select * from tab1 where field < 11000;
>   RAISE NOTICE '%', $1;
>   RETURN NEXT $1;
> END;
> $BODY$
> LANGUAGE 'plpgsql' VOLATILE
> COST 100
> ROWS 1000;
>
> begin;
> select * from prueba_cursor4(1, 'h');
> end;
>
>
>
> --
> Martín Marqués
> select 'martin.marques' || '@' || 'gmail.com'
> DBA, Programador, Administrador
>



--
Martín Marqués
select 'martin.marques' || '@' || 'gmail.com'
DBA, Programador, Administrador

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