From: | Emanuel Calvo Franco <postgres(dot)arg(at)gmail(dot)com> |
---|---|
To: | Jaime Casanova <jcasanov(at)systemguards(dot)com(dot)ec> |
Cc: | Osvaldo Rivas <spadons(at)gmail(dot)com>, Ayuda Postgres <pgsql-es-ayuda(at)postgresql(dot)org> |
Subject: | Re: Trigger para poner a mayusculas |
Date: | 2009-10-05 15:25:06 |
Message-ID: | f205bb120910050825q6449a9b3j6a69ca4740175dbd@mail.gmail.com |
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Thread: | |
Lists: | pgsql-es-ayuda |
>> --Para cada fila recuperada optengo NEW.NOMBRE_DE_LA_COLUMNA
>> COLUMN:='NEW.'||R_COL.ATTNAME;
>>
>> --Pongo en mayuscula la columna
>> COLUMN:=UPPER(COLUMN);
>>
CREATE TABLE pepe (pepe text);
CREATE OR REPLACE FUNCTION pepe() RETURNS TRIGGER AS $pepe$
DECLARE
variable text;
BEGIN
-- en esta parte va el bucle con el armado de la columna
-- NEW.pepe deberia ser NEW.columna
select upper(NEW.pepe) INTO variable;
NEW.pepe = variable;
-- fin bucle
RETURN NEW;
END;
$pepe$ VOLATILE LANGUAGE 'plpgsql';
CREATE TRIGGER pepe_upper BEFORE INSERT OR UPDATE
ON pepe
FOR EACH ROW EXECUTE PROCEDURE pepe();
--
Emanuel Calvo Franco
DBA at: www.siu.edu.ar
www.emanuelcalvofranco.com.ar
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