def is_bootstrapped(metadata):
    """Return True if cihai is correctly bootstrapped."""
    fields = UNIHAN_FIELDS + DEFAULT_COLUMNS
    if TABLE_NAME in metadata.tables.keys():
        table = metadata.tables[TABLE_NAME]

        if set(fields) == set(c.name for c in table.columns):
            return True
        else:
            return False
    else:
        return False