-(**
- * {2 Proxy module around MySQL conection}
- *
- * The behaviour of this module is influenced by the Helm_registry boolean value
- * of the "db.nodb" key. When set to "false" the module works as expected. When
- * set to "true" all functions perform dummy action: connect and disconnect do
- * nothing; exec, iter, and map work like the empty set of results has been
- * returned; errno and status return Mysql.Connection_error
- *)
-