--- mysql-workbench-community-6.3.9-src/plugins/migration/copytable/copytable.cpp.orig	2017-02-08 22:15:34.084153506 +0700
+++ mysql-workbench-community-6.3.9-src/plugins/migration/copytable/copytable.cpp	2017-02-08 22:23:01.194114625 +0700
@@ -2611,14 +2606,7 @@
   // This is needed because the escaping depends on the character set in use by the server
   unsigned long ret_length = 0;
 
-#if MYSQL_CHECK_VERSION(5, 7, 6)
-  if (_target->is_mysql_version_at_least(5, 7, 6))
-    ret_length += mysql_real_escape_string_quote(_mysql, buffer + length, data, (unsigned long)dlength, '"');
-  else
-    ret_length += mysql_real_escape_string(_mysql, buffer + length, data, (unsigned long)dlength);
-#else
   ret_length += mysql_real_escape_string(_mysql, buffer + length, data, (unsigned long)dlength);
-#endif
 
   if (ret_length != (unsigned long)-1)
     length += ret_length;