presto-thrift/src/main/java/io/prestosql/plugin/thrift/ThriftMetadata.java/ThriftMetadata/getColumnMetadata
class ThriftMetadata:    @Override
    public ColumnMetadata getColumnMetadata(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle columnHandle)
    {
        return ((ThriftColumnHandle) columnHandle).toColumnMetadata();
    }