passthru from property to underlying query object

src/Illuminate/Database/Eloquent/Builder.php

@@ -73,6 +73,15 @@ class Builder
      */
     protected $onDelete;
 
+    /**
+     * The properties that should be returned from query builder.
+     *
+     * @var string[]
+     */
+    protected $propertyPassthru = [
+        'from',
+    ];
+
     /**
      * The methods that should be returned from query builder.
      *
@@ -1600,6 +1609,10 @@ public function __get($key)
             return new HigherOrderBuilderProxy($this, $key);
         }
 
+        if (in_array($key, $this->propertyPassthru)) {
+            return $this->toBase()->{$key};
+        }
+
         throw new Exception("Property [{$key}] does not exist on the Eloquent builder instance.");
     }