Update Model.php

adding additional if for __get method to make easier achieve sth like this:
$row->{$model->primaryKey}

system/Model.php

@@ -1376,15 +1376,19 @@ protected function trigger(string $event, array $data)
 	//--------------------------------------------------------------------
 
 	/**
-	 * Provides/instantiates the builder/db connection.
+	 * Provides/instantiates the builder/db connection and model's table/primary key names and return type.
 	 *
 	 * @param string $name
 	 *
 	 * @return null
 	 */
 	public function __get(string $name)
 	{
-		if (isset($this->db->$name))
+		if(in_array($name, ['primaryKey', 'table', 'returnType']))
+		{
+			return $this->{$name};
+		}
+		elseif (isset($this->db->$name))
 		{
 			return $this->db->$name;
 		}