From 02b78e289c7acfbd304d6c8935ca6bd7a530032e Mon Sep 17 00:00:00 2001
From: Propaganistas <Propaganistas@users.noreply.github.com>
Date: Thu, 20 May 2021 11:11:14 +0200
Subject: [PATCH] Fix clone behavior of QueryBuilder (#621)

* Update QueryBuilder.php

* Update QueryBuilderTest.php

* Update QueryBuilder.php
---
 src/QueryBuilder.php       | 10 ++++++++++
 tests/QueryBuilderTest.php | 29 +++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+)

diff --git a/src/QueryBuilder.php b/src/QueryBuilder.php
index 64eb91ea..96d78cd5 100755
--- a/src/QueryBuilder.php
+++ b/src/QueryBuilder.php
@@ -130,6 +130,16 @@ public function __call($name, $arguments)
 
         return $result;
     }
+    
+    public function clone()
+    {
+        return clone $this;
+    }
+    
+    public function __clone()
+    {
+        $this->subject = clone $this->subject;
+    }
 
     public function __get($name)
     {
diff --git a/tests/QueryBuilderTest.php b/tests/QueryBuilderTest.php
index 8c4e206b..333d1d81 100644
--- a/tests/QueryBuilderTest.php
+++ b/tests/QueryBuilderTest.php
@@ -297,4 +297,33 @@ public function it_does_not_lose_pivot_values_with_belongs_to_many_relation()
             $foundTestModel->pivot->location
         );
     }
+    
+    
+    /** @test */
+    public function it_clones_the_subject_upon_cloning()
+    {
+        $queryBuilder = QueryBuilder::for(TestModel::class);
+        
+        $queryBuilder1 = (clone $queryBuilder)->where('id', 1);
+        $queryBuilder2 = (clone $queryBuilder)->where('name', 'John Doe');
+
+        $this->assertNotSame(
+            $queryBuilder1->toSql(),
+            $queryBuilder2->toSql()
+        );
+    }
+    
+    /** @test */
+    public function it_supports_clone_as_method()
+    {
+        $queryBuilder = QueryBuilder::for(TestModel::class);
+        
+        $queryBuilder1 = $queryBuilder->clone()->where('id', 1);
+        $queryBuilder2 = $queryBuilder->clone()->where('name', 'John Doe');
+
+        $this->assertNotSame(
+            $queryBuilder1->toSql(),
+            $queryBuilder2->toSql()
+        );
+    }
 }