88 lines
2.9 KiB
PL/PgSQL
88 lines
2.9 KiB
PL/PgSQL
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-- Shop Discount
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CREATE OR REPLACE FUNCTION before_insert_Shop_Discount()
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RETURNS TRIGGER AS $$
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BEGIN
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NEW.created_on = CURRENT_TIMESTAMP;
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NEW.created_by = CURRENT_USER;
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RETURN NEW;
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END;
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$$ LANGUAGE plpgsql;
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CREATE OR REPLACE TRIGGER tri_before_insert_Shop_Discount
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BEFORE INSERT ON Shop_Discount
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FOR EACH ROW
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EXECUTE FUNCTION before_insert_Shop_Discount();
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CREATE OR REPLACE FUNCTION before_update_Shop_Discount()
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RETURNS TRIGGER AS $$
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BEGIN
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IF OLD.id_change_set IS NOT DISTINCT FROM NEW.id_change_set THEN
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RAISE EXCEPTION 'New change Set ID must be provided.'
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USING ERRCODE = '45000';
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END IF;
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INSERT INTO Shop_Discount_Audit (
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id_discount,
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name_field,
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value_prev,
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value_new,
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id_change_set
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)
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-- Changed code
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SELECT NEW.id_discount, 'code', OLD.code, NEW.code, NEW.id_change_set
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WHERE NOT OLD.code <=> NEW.code
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UNION
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-- Changed name
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SELECT NEW.id_discount, 'name', OLD.name, NEW.name, NEW.id_change_set
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WHERE NOT OLD.name <=> NEW.name
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UNION
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-- Changed multiplier
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SELECT NEW.id_discount, 'multiplier', OLD.multiplier, NEW.multiplier, NEW.id_change_set
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WHERE NOT OLD.multiplier <=> NEW.multiplier
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UNION
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-- Changed subtractor
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SELECT NEW.id_discount, 'subtractor', OLD.subtractor, NEW.subtractor, NEW.id_change_set
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WHERE NOT OLD.subtractor <=> NEW.subtractor
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UNION
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-- Changed apply_multiplier_first
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SELECT NEW.id_discount, 'apply_multiplier_first', CONVERT(CONVERT(OLD.apply_multiplier_first, SIGNED), CHAR), CONVERT(CONVERT(NEW.apply_multiplier_first, SIGNED), CHAR), NEW.id_change_set
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WHERE NOT OLD.apply_multiplier_first <=> NEW.apply_multiplier_first
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UNION
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-- Changed quantity_min
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SELECT NEW.id_discount, 'quantity_min', OLD.quantity_min, NEW.quantity_min, NEW.id_change_set
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WHERE NOT OLD.quantity_min <=> NEW.quantity_min
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UNION
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-- Changed quantity_max
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SELECT NEW.id_discount, 'quantity_max', OLD.quantity_max, NEW.quantity_max, NEW.id_change_set
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WHERE NOT OLD.quantity_max <=> NEW.quantity_max
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UNION
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-- Changed date_start
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SELECT NEW.id_discount, 'date_start', OLD.date_start, NEW.date_start, NEW.id_change_set
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WHERE NOT OLD.date_start <=> NEW.date_start
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UNION
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-- Changed date_end
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SELECT NEW.id_discount, 'date_end', OLD.date_end, NEW.date_end, NEW.id_change_set
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WHERE NOT OLD.date_end <=> NEW.date_end
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UNION
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-- Changed display_order
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SELECT NEW.id_discount, 'display_order', CONVERT(OLD.display_order, CHAR), CONVERT(NEW.display_order, CHAR), NEW.id_change_set
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WHERE NOT OLD.display_order <=> NEW.display_order
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UNION
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-- Changed active
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SELECT NEW.id_discount, 'active', CONVERT(CONVERT(OLD.active, SIGNED), CHAR), CONVERT(CONVERT(NEW.active, SIGNED), CHAR), NEW.id_change_set
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WHERE NOT OLD.active <=> NEW.active
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;
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RETURN NEW;
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END;
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$$ LANGUAGE plpgsql;
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CREATE OR REPLACE TRIGGER tri_before_update_Shop_Discount
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BEFORE UPDATE ON Shop_Discount
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FOR EACH ROW
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EXECUTE FUNCTION before_update_Shop_Discount();
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