Apply WHERE filter to input dataset
    :param input:
    :param params:
    :return: filtered data

def filter_set(input, **params):
    """
    Apply WHERE filter to input dataset
    :param input:
    :param params:
    :return: filtered data
    """
    PARAM_WHERE = 'where'

    return Converter.df2list(pd.DataFrame.from_records(input).query(params.get(PARAM_WHERE)))