From 53f97a014da380dc85fb4b0d826475e562d78dcc Mon Sep 17 00:00:00 2001
From: Taylor Otwell <taylorotwell@gmail.com>
Date: Wed, 7 Dec 2016 11:11:40 -0600
Subject: [PATCH] clone query for chunking

---
 src/Illuminate/Database/Query/Builder.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Illuminate/Database/Query/Builder.php b/src/Illuminate/Database/Query/Builder.php
index c5a58c6668c5..57e64c5be8c2 100755
--- a/src/Illuminate/Database/Query/Builder.php
+++ b/src/Illuminate/Database/Query/Builder.php
@@ -1847,7 +1847,9 @@ public function chunkById($count, callable $callback, $column = 'id', $alias = n
         $lastId = 0;
 
         do {
-            $results = $this->forPageAfterId($count, $lastId, $column)->get();
+            $clone = clone $this;
+
+            $results = $clone->forPageAfterId($count, $lastId, $column)->get();
 
             $countResults = $results->count();