Override Model::isGuardableColumn() to return true, since we don't really have columns

Author: Karl Pierce

src/Jenssegers/Mongodb/Eloquent/Model.php

@@ -473,6 +473,17 @@ protected function getRelationsWithoutParent()
         return $relations;
     }
 
+    /**
+     * Checks if column exists on a table.  As this is a document model, just return true.  This also
+     * prevents calls to non-existent function Grammar::compileColumnListing()
+     * @param string $key
+     * @return bool
+     */
+    protected function isGuardableColumn($key)
+    {
+        return true;
+    }
+
     /**
      * @inheritdoc
      */

tests/ModelTest.php

@@ -722,4 +722,11 @@ public function testTruncateModel()
 
         $this->assertEquals(0, User::count());
     }
+
+    public function testGuardedModel()
+    {
+        Guarded::create(['var' => 'val']);
+
+        $this->assertEquals(1, Guarded::count());
+    }
 }

tests/models/Guarded.php

@@ -0,0 +1,11 @@
+<?php
+declare(strict_types=1);
+
+use Jenssegers\Mongodb\Eloquent\Model as Eloquent;
+
+class Guarded extends Eloquent
+{
+    protected $connection = 'mongodb';
+    protected $collection = 'guarded';
+    protected $guarded = ['foobar'];
+}