private void refreshMaterializedView(long datasetId)
{
// refresh query is also native, goes to dialact specific query files, getNamedQuery, ...
//String sql = "refresh materialized view mv_all_operations; refresh materialized view mv_all_members;";
//createNativeQuery(sql).executeUpdate();
//// by calling addSynchronizedEntityClass method we inform hibernate that any Person
//// persistent object should be synchronized with database before invoking query
//session.createSQLQuery("{call DBMS_MVIEW.REFRESH('PERSON_AGGREGATE')}")
// .addSynchronizedEntityClass(Person.class).executeUpdate();
}