From 6c0ed98711eb7ba8fe086b3144701e7f161e1bbc Mon Sep 17 00:00:00 2001
From: Alexander Butenko <a.butenka@gmail.com>
Date: Sun, 27 Dec 2015 17:49:21 +0300
Subject: [PATCH 1/2] issue #388 dont share mysqli between copy'ed in subquery

---
 MysqliDb.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MysqliDb.php b/MysqliDb.php
index f64c00a0..2b2d6600 100644
--- a/MysqliDb.php
+++ b/MysqliDb.php
@@ -1731,7 +1731,7 @@ public static function subQuery($subQueryAlias = "")
     public function copy()
     {
         $copy = unserialize(serialize($this));
-        $copy->_mysqli = $this->_mysqli;
+        $copy->_mysqli = null;
         return $copy;
     }
 

From 873077a652ec385983c63b2d519b3e5384c5aa23 Mon Sep 17 00:00:00 2001
From: Alexander Butenko <a.butenka@gmail.com>
Date: Sun, 27 Dec 2015 17:51:14 +0300
Subject: [PATCH 2/2] update copy() test

---
 tests/mysqliDbTests.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/mysqliDbTests.php b/tests/mysqliDbTests.php
index f1fa9efa..cc993391 100644
--- a/tests/mysqliDbTests.php
+++ b/tests/mysqliDbTests.php
@@ -360,6 +360,8 @@ function createTable ($name, $data) {
     echo "copy with subquery count failed";
     exit;
 }
+unset ($cnt);
+
 $data = $db->get('users');
 if (count($data) != 3) {
     echo "copy with subquery data count failed";