Feat(SQL, UI): Redesign database with much more detailed command response quality analysis and created successfully loading Dog Command Links page

static/MySQL/30528_tri_DOG_User_Role_Link.sql

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+
+USE parts;
+
+DROP TRIGGER IF EXISTS parts.before_insert_DOG_User_Role_Link;
+DROP TRIGGER IF EXISTS parts.before_update_DOG_User_Role_Link;
+
+
+DELIMITER //
+CREATE TRIGGER parts.before_insert_DOG_User_Role_Link
+BEFORE INSERT ON parts.DOG_User_Role_Link
+FOR EACH ROW
+BEGIN
+	SET NEW.created_on := IFNULL(NEW.created_on, NOW());
+END //
+DELIMITER ;
+
+
+DELIMITER //
+CREATE TRIGGER parts.before_update_DOG_User_Role_Link
+BEFORE UPDATE ON parts.DOG_User_Role_Link
+FOR EACH ROW
+BEGIN
+	IF OLD.id_change_set <=> NEW.id_change_set THEN
+		SIGNAL SQLSTATE '45000'
+        SET MESSAGE_TEXT = 'New change Set ID must be provided.';
+    END IF;
+    
+    INSERT INTO parts.DOG_User_Role_Link_Audit (
+		id_link,
+        name_field,
+        value_prev,
+        value_new,
+        id_change_set
+    )
+	-- Changed id_user
+	SELECT NEW.id_link, 'id_user', CONVERT(OLD.id_user, CHAR), CONVERT(NEW.id_user, CHAR), NEW.id_change_set
+		WHERE NOT OLD.id_user <=> NEW.id_user
+    UNION
+    -- Changed id_role
+	SELECT NEW.id_link, 'id_role', CONVERT(OLD.id_role, CHAR), CONVERT(NEW.id_role, CHAR), NEW.id_change_set
+		WHERE NOT OLD.id_role <=> NEW.id_role
+	UNION
+	-- Changed active
+	SELECT NEW.id_link, 'active', CONVERT(CONVERT(OLD.active, SIGNED), CHAR), CONVERT(CONVERT(NEW.active, SIGNED), CHAR), NEW.id_change_set
+		WHERE NOT (OLD.active <=> NEW.active)
+    ;
+END //
+DELIMITER ;