presto-hive/src/main/java/io/prestosql/plugin/hive/metastore/thrift/BridgingHiveMetastore.java/BridgingHiveMetastore/dropDatabase
class BridgingHiveMetastore:    @Override
    public void dropDatabase(HiveIdentity identity, String databaseName)
    {
        delegate.dropDatabase(identity, databaseName);
    }