def store_metadatas(connection, metadata):
    """Write a list of metadata to metadata table.

    Args:
        metadata (list): list of metadata.

    Returns:
        The result of the operation.
    """

    raise NotImplementedError
Write a list of metadata to metadata table.

Args:
metadata (list): list of metadata.

Returns:
The result of the operation.
bigchaindb/backend/query.py