Files
partsERP/static/PostgreSQL/381.2_tri_Shop_Unit_Measurement.sql

68 lines
1.9 KiB
PL/PgSQL

-- Shop Unit of Measurement
CREATE OR REPLACE FUNCTION before_insert_Shop_Unit_Measurement()
RETURNS TRIGGER AS $$
BEGIN
IF NEW.created_on IS NULL THEN
NEW.created_on = CURRENT_TIMESTAMP;
END IF;
IF NEW.created_by IS NULL THEN
NEW.created_by = CURRENT_USER;
END IF;
RETURN NEW;
END;
$$ LANGUAGE plpgsql;
CREATE OR REPLACE TRIGGER tri_before_insert_Shop_Unit_Measurement
BEFORE INSERT ON Shop_Unit_Measurement
FOR EACH ROW
EXECUTE FUNCTION before_insert_Shop_Unit_Measurement();
CREATE OR REPLACE FUNCTION before_update_Shop_Unit_Measurement()
RETURNS TRIGGER AS $$
BEGIN
IF OLD.id_change_set IS NOT DISTINCT FROM NEW.id_change_set THEN
RAISE EXCEPTION 'New change Set ID must be provided.'
USING ERRCODE = '45000';
END IF;
INSERT INTO Shop_Unit_Measurement_Audit (
id_unit_measurement,
name_field,
value_prev,
value_new,
id_change_set
)
-- Changed name_singular
SELECT NEW.id_unit_measurement, 'name_singular', OLD.name_singular, NEW.name_singular, NEW.id_change_set
WHERE NOT OLD.name_singular <=> NEW.name_singular
UNION
-- Changed name_plural
SELECT NEW.id_unit_measurement, 'name_plural', OLD.name_plural, NEW.name_plural, NEW.id_change_set
WHERE NOT OLD.name_plural <=> NEW.name_plural
UNION
-- Changed symbol
SELECT NEW.id_unit_measurement, 'symbol', OLD.symbol, NEW.symbol, NEW.id_change_set
WHERE NOT OLD.symbol <=> NEW.symbol
UNION
-- Changed is_base_unit
SELECT NEW.id_unit_measurement, 'is_base_unit', OLD.is_base_unit, NEW.is_base_unit, NEW.id_change_set
WHERE NOT OLD.is_base_unit <=> NEW.is_base_unit
UNION
-- Changed active
SELECT NEW.id_unit_measurement, 'active', OLD.active, NEW.active, NEW.id_change_set
WHERE NOT OLD.active <=> NEW.active
;
RETURN NEW;
END;
$$ LANGUAGE plpgsql;
CREATE OR REPLACE TRIGGER tri_before_update_Shop_Unit_Measurement
BEFORE UPDATE ON Shop_Unit_Measurement
FOR EACH ROW
EXECUTE FUNCTION before_update_Shop_Unit_Measurement();