Files
demo_partsERP/static/PostgreSQL/310.4_tri_Shop_Currency.sql

72 lines
2.0 KiB
PL/PgSQL

-- Shop Currency
CREATE OR REPLACE FUNCTION before_insert_Shop_Currency()
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_Currency
BEFORE INSERT ON Shop_Currency
FOR EACH ROW
EXECUTE FUNCTION before_insert_Shop_Currency();
CREATE OR REPLACE FUNCTION before_update_Shop_Currency()
RETURNS TRIGGER AS $$
BEGIN
IF OLD.id_change_set IS NOT DISTINCT FROM NEW.id_change_set THEN
RAISE EXCEPTION 'New change Set ID must be provided.'
USING ERRCODE = '45000';
END IF;
INSERT INTO Shop_Currency_Audit (
id_currency,
name_field,
value_prev,
value_new,
id_change_set
)
-- Changed code
SELECT NEW.id_currency, 'code', OLD.code, NEW.code, NEW.id_change_set
WHERE NOT OLD.code <=> NEW.code
UNION
-- Changed name
SELECT NEW.id_currency, 'name', OLD.name, NEW.name, NEW.id_change_set
WHERE NOT OLD.name <=> NEW.name
UNION
-- Changed symbol
SELECT NEW.id_currency, 'symbol', OLD.symbol, NEW.symbol, NEW.id_change_set
WHERE NOT OLD.symbol <=> NEW.symbol
UNION
-- Changed ratio_2_GBP
SELECT NEW.id_currency, 'factor_from_GBP', OLD.factor_from_GBP, NEW.factor_from_GBP, NEW.id_change_set
WHERE NOT OLD.factor_from_GBP <=> NEW.factor_from_GBP
UNION
-- Changed active
SELECT NEW.id_currency, 'active', CONVERT(CONVERT(OLD.active, SIGNED), CHAR), CONVERT(CONVERT(NEW.active, SIGNED), CHAR), NEW.id_change_set
WHERE NOT (OLD.active <=> NEW.active)
UNION
-- Changed display_order
SELECT NEW.id_currency, 'display_order', CONVERT(display_order, CHAR), CONVERT(display_order, CHAR), NEW.id_change_set
WHERE NOT (OLD.display_order <=> NEW.display_order)
;
RETURN NEW;
END;
$$ LANGUAGE plpgsql;
CREATE OR REPLACE TRIGGER tri_before_update_Shop_Currency
BEFORE UPDATE ON Shop_Currency
FOR EACH ROW
EXECUTE FUNCTION before_update_Shop_Currency();