Files
parts_website/static/PostgreSQL/320_tri_Shop_Image.sql

76 lines
2.4 KiB
PL/PgSQL

-- Shop Image
CREATE OR REPLACE FUNCTION before_insert_Shop_Image()
RETURNS TRIGGER AS $$
BEGIN
NEW.created_on = CURRENT_TIMESTAMP;
NEW.created_by = CURRENT_USER;
RETURN NEW;
END;
$$ LANGUAGE plpgsql;
CREATE OR REPLACE TRIGGER tri_before_insert_Shop_Image
BEFORE INSERT ON Shop_Image
FOR EACH ROW
EXECUTE FUNCTION before_insert_Shop_Image();
CREATE OR REPLACE FUNCTION before_update_Shop_Image()
RETURNS TRIGGER AS $$
BEGIN
IF OLD.id_change_set IS NOT DISTINCT FROM NEW.id_change_set THEN
RAISE EXCEPTION 'New change Set ID must be provided.'
USING ERRCODE = '45000';
END IF;
IF ISNULL(NEW.id_product) AND ISNULL(NEW.id_permutation) THEN
RAISE EXCEPTION 'Image must NOT have ID for product AND product permutation.'
USING ERRCODE = '45000';
END IF;
INSERT INTO Shop_Image_Audit (
id_image,
name_field,
value_prev,
value_new,
id_change_set
)
-- Changed id_type_image
SELECT NEW.id_image, 'id_type_image', CONVERT(OLD.id_type_image, CHAR), CONVERT(NEW.id_type_image, CHAR), NEW.id_change_set
WHERE NOT OLD.id_type_image <=> NEW.id_type_image
UNION
-- Changed id_type_file
SELECT NEW.id_image, 'id_type_file', CONVERT(OLD.id_type_file, CHAR), CONVERT(NEW.id_type_file, CHAR), NEW.id_change_set
WHERE NOT OLD.id_type_file <=> NEW.id_type_file
UNION
-- Changed id_product
SELECT NEW.id_image, 'id_product', CONVERT(OLD.id_product, CHAR), CONVERT(NEW.id_product, CHAR), NEW.id_change_set
WHERE NOT OLD.id_product <=> NEW.id_product
UNION
-- Changed id_permutation
SELECT NEW.id_image, 'id_permutation', CONVERT(OLD.id_permutation, CHAR), CONVERT(NEW.id_permutation, CHAR), NEW.id_change_set
WHERE NOT OLD.id_permutation <=> NEW.id_permutation
UNION
-- Changed url
SELECT NEW.id_image, 'url', OLD.url, NEW.url, NEW.id_change_set
WHERE NOT OLD.url <=> NEW.url
UNION
-- Changed active
SELECT NEW.id_image, 'active', CONVERT(CONVERT(OLD.active, SIGNED), CHAR), CONVERT(CONVERT(NEW.active, SIGNED), CHAR), NEW.id_change_set
WHERE NOT (OLD.active <=> NEW.active)
UNION
-- Changed display_order
SELECT NEW.id_image, 'display_order', CONVERT(OLD.display_order, CHAR), CONVERT(NEW.display_order, CHAR), NEW.id_change_set
WHERE NOT (OLD.display_order <=> NEW.display_order)
;
RETURN NEW;
END;
$$ LANGUAGE plpgsql;
CREATE OR REPLACE TRIGGER tri_before_update_Shop_Image
BEFORE UPDATE ON Shop_Image
FOR EACH ROW
EXECUTE FUNCTION before_update_Shop_Image();