Created
June 29, 2012 15:02
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[PLPGSQL] Evitar el borrado de registros en una tabla de postgres
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| CREATE OR REPLACE FUNCTION proteger_datos() RETURNS TRIGGER AS $proteger_datos$ | |
| DECLARE | |
| BEGIN | |
| -- | |
| -- Esta funcion es usada para proteger datos en un tabla | |
| -- No se permitira el borrado de filas si la usamos | |
| -- en un disparador de tipo BEFORE / row-level | |
| -- | |
| RETURN NULL; | |
| END; | |
| $proteger_datos$ LANGUAGE plpgsql; | |
| CREATE TRIGGER proteger_datos BEFORE DELETE | |
| ON tabla FOR EACH ROW | |
| EXECUTE PROCEDURE proteger_datos(); |
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Excelente ayuda amigo!
Me funcionó a la perfección.
Saludos!