Correct transaction management. cf. bug https://openrdf.atlassian.net/browse/SES-2295 and tomcat default management of PUT request with form data (application/x-www-form-urlencoded encoded)
# Convenience class to call each of the three providers with the corresponding
# hashes provided in mysql::server.
# See README.md for details.
class mysql::server::providers {
create_resources('mysql_user', $mysql::server::users)
create_resources('mysql_grant', $mysql::server::grants)
create_resources('mysql_database', $mysql::server::databases)
}