From 57ee89569a0ff2da693296b9c03b0d3730e4e794 Mon Sep 17 00:00:00 2001
From: Marina Glancy <marina@moodle.com>
Date: Mon, 2 Nov 2015 17:52:59 +0800
Subject: [PATCH] MDL-50633 dml: deprecated var replaced in mysql 5.7

Thanks to Charles Verge for providing a patch
---
 lib/dml/mysqli_native_moodle_database.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/dml/mysqli_native_moodle_database.php b/lib/dml/mysqli_native_moodle_database.php
index 70e8a6ed4bc..1874481d5f2 100644
--- a/lib/dml/mysqli_native_moodle_database.php
+++ b/lib/dml/mysqli_native_moodle_database.php
@@ -180,13 +180,13 @@ class mysqli_native_moodle_database extends moodle_database {
             return $engine;
         }
 
-        // get the default database engine
-        $sql = "SELECT @@storage_engine";
+        // Get the default database engine.
+        $sql = "SELECT @@default_storage_engine engine";
         $this->query_start($sql, NULL, SQL_QUERY_AUX);
         $result = $this->mysqli->query($sql);
         $this->query_end($result);
         if ($rec = $result->fetch_assoc()) {
-            $engine = $rec['@@storage_engine'];
+            $engine = $rec['engine'];
         }
         $result->close();