From 1ca3de4d04789fd9b52c3d947cb8b54e4192e3a4 Mon Sep 17 00:00:00 2001
From: Marcel Werk <burntime@woltlab.com>
Date: Sun, 13 Nov 2016 17:06:08 +0100
Subject: [PATCH] Added work-around for detection of older MySQL versions
 during setup

---
 .../install/files/lib/system/WCFSetup.class.php     | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/wcfsetup/install/files/lib/system/WCFSetup.class.php b/wcfsetup/install/files/lib/system/WCFSetup.class.php
index 188a7a2cc7..f78181c059 100644
--- a/wcfsetup/install/files/lib/system/WCFSetup.class.php
+++ b/wcfsetup/install/files/lib/system/WCFSetup.class.php
@@ -7,6 +7,7 @@ use wcf\data\package\Package;
 use wcf\data\user\User;
 use wcf\data\user\UserAction;
 use wcf\system\cache\builder\LanguageCacheBuilder;
+use wcf\system\database\exception\DatabaseException;
 use wcf\system\database\util\SQLParser;
 use wcf\system\database\MySQLDatabase;
 use wcf\system\exception\SystemException;
@@ -649,8 +650,16 @@ class WCFSetup extends WCF {
 			try {
 				// check connection data
 				/** @var \wcf\system\database\Database $db */
-				$db = new MySQLDatabase($dbHost, $dbUser, $dbPassword, $dbName, $dbPort, true);
-				$db->connect();
+				try {
+					$db = new MySQLDatabase($dbHost, $dbUser, $dbPassword, $dbName, $dbPort, true);
+				}
+				catch (DatabaseException $e) {
+					if ($e->getPrevious()->getCode() == 1115) { // work-around for older MySQL versions that don't know utf8mb4
+						throw new SystemException("Insufficient MySQL version. Version '5.5.35' or greater is needed.");
+					}
+					
+					throw $e;
+				}
 				
 				// check sql version
 				$sqlVersion = $db->getVersion();
-- 
2.20.1