fix chunkByIdDesc

Author: taylorotwell

src/Illuminate/Database/Eloquent/Relations/HasManyThrough.php

@@ -600,6 +600,24 @@ public function chunkById($count, callable $callback, $column = null, $alias = n
         return $this->prepareQueryBuilder()->chunkById($count, $callback, $column, $alias);
     }
 
+    /**
+     * Chunk the results of a query by comparing IDs in descending order.
+     *
+     * @param  int  $count
+     * @param  callable  $callback
+     * @param  string|null  $column
+     * @param  string|null  $alias
+     * @return bool
+     */
+    public function chunkByIdDesc($count, callable $callback, $column = null, $alias = null)
+    {
+        $column ??= $this->getRelated()->getQualifiedKeyName();
+
+        $alias ??= $this->getRelated()->getKeyName();
+
+        return $this->prepareQueryBuilder()->chunkByIdDesc($count, $callback, $column, $alias);
+    }
+
     /**
      * Execute a callback over each item while chunking by ID.
      *