Реализовано клонирование объекта QueryRelationManager при создании сущности DataProvider

Author: Smoren

composer.json

@@ -14,7 +14,7 @@
     "php": ">=7.2.0",
     "ext-pdo": "*",
     "yiisoft/yii2": "~2.0.0",
-    "smoren/query-relation-manager": "2.0.1"
+    "smoren/query-relation-manager": "2.0.2"
   },
   "autoload": {
     "psr-4": {

src/Yii2/QueryRelationDataProvider.php

@@ -38,6 +38,22 @@ class QueryRelationDataProvider extends BaseDataProvider
      */
     public $withoutTotalCount = false;
 
+    /**
+     * @inheritDoc
+     */
+    public function init()
+    {
+        parent::init();
+
+        if(!($this->queryRelationManager instanceof QueryRelationManager)) {
+            throw new QueryRelationManagerException(
+                "param QueryRelationDataProvider::queryRelationManager is not an instance of QueryRelationManager"
+            );
+        }
+
+        $this->queryRelationManager = clone $this->queryRelationManager;
+    }
+
     /**
      * Prepares the data models that will be made available in the current page.
      * @return array the available data models