--- a/Framework/MySQL/MySQLStatement.cpp	Tue Jul 17 08:50:53 2018 +0200
+++ b/Framework/MySQL/MySQLStatement.cpp	Wed Jul 18 12:27:40 2018 +0200
@@ -151,6 +151,7 @@
             case 45:   // utf8mb4_general_ci
             case 46:   // utf8mb4_bin
             case 224:  // utf8mb4_unicode_ci  => RECOMMENDED collation
+            case 255:  // utf8mb4_0900_ai_ci  => necessary for MySQL 8.0
               // https://stackoverflow.com/questions/766809/whats-the-difference-between-utf8-general-ci-and-utf8-unicode-ci
               orthancType_ = ValueType_Utf8String;
               break;
@@ -395,6 +396,19 @@
   }
 
 
+  MySQLStatement::~MySQLStatement()
+  {
+    try
+    {
+      Close();
+    }
+    catch (Orthanc::OrthancException&)
+    {
+      // Ignore possible exceptions due to connection loss
+    }
+  }
+
+
   MYSQL_STMT* MySQLStatement::GetObject()
   {
     if (statement_ == NULL)