Feat(Project Hub): Apply for Founding Partner Program page created with database structure and methods.

static/MySQL/31231_tri_DOG_Image_User_Link.sql

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+
+USE fetchmetrics;
+
+DROP TRIGGER IF EXISTS fetchmetrics.before_insert_DOG_Image_User_Link;
+DROP TRIGGER IF EXISTS fetchmetrics.before_update_DOG_Image_User_Link;
+
+DELIMITER //
+CREATE TRIGGER fetchmetrics.before_insert_DOG_Image_User_Link
+BEFORE INSERT ON fetchmetrics.DOG_Image_User_Link
+FOR EACH ROW
+BEGIN
+	SET NEW.created_on := IFNULL(NEW.created_on, NOW());
+END //
+DELIMITER ;
+
+DELIMITER //
+CREATE TRIGGER fetchmetrics.before_update_DOG_Image_User_Link
+BEFORE UPDATE ON fetchmetrics.DOG_Image_User_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 fetchmetrics.DOG_Image_User_Link_Audit (
+		  id_link
+        , name_field
+        , value_prev
+        , value_new
+        , id_change_set
+    )
+    -- Changed dog
+	SELECT NEW.id_link, 'id_image', CONVERT(OLD.id_image, CHAR), CONVERT(NEW.id_image, CHAR), NEW.id_change_set
+		WHERE NOT OLD.id_image <=> NEW.id_image
+	UNION
+    -- Changed 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 access_level
+	SELECT NEW.id_link, 'id_access_level', CONVERT(OLD.id_access_level, CHAR), CONVERT(NEW.id_access_level, CHAR), NEW.id_change_set
+		WHERE NOT OLD.id_access_level <=> NEW.id_access_level
+    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 ;