presto-hive/src/main/java/io/prestosql/plugin/hive/metastore/cache/CachingHiveMetastore.java/CachingHiveMetastore/createDatabase
class CachingHiveMetastore:    @Override
    public void createDatabase(HiveIdentity identity, Database database)
    {
        identity = updateIdentity(identity);
        try {
            delegate.createDatabase(identity, database);
        }
        finally {
            invalidateDatabase(database.getDatabaseName());
        }
    }