b9dc15ecef0393a55a953acff3c1d0278b19d9f5,src/fonduer/utils/utils_udf.py,,add_keys,#Any#Any#Any#,128

Before Change

    
    // Do nothing if empty
    if not keys:
        logger.warning(
            "Attempted to insert empty list of keys to {}.".format(
                key_table.__tablename__
            )
        )
        return

    // NOTE: If you pprint these values, it may look funny because of the
    // newlines and tabs as whitespace characters in these names. Use normal

After Change

    // if not exists type of syntax.
    while True:
        existing_keys = set(k.name for k in session.query(key_table).all())
        new_keys = set(keys).difference(existing_keys)
        // Bulk insert all new feature keys
        if new_keys:
            try:
                session.execute(

Instances