passing cursors from one PL function to another

[Martín Marqués <martin.marques@xxxxxxxxx>]

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

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