def generate_bq_schema(df, default_type="STRING"):
    """DEPRECATED: Given a passed df, generate the associated Google BigQuery
    schema.

    Parameters
    ----------
    df : DataFrame
    default_type : string
        The default big query type in case the type of the column
        does not exist in the schema.
    """
    # deprecation TimeSeries, #11121
    warnings.warn(
        "generate_bq_schema is deprecated and will be removed in " "a future version",
        FutureWarning,
        stacklevel=2,
    )

    return _generate_bq_schema(df, default_type=default_type)
DEPRECATED: Given a passed df, generate the associated Google BigQuery
    schema.

    Parameters
    ----------
    df : DataFrame
    default_type : string
        The default big query type in case the type of the column
        does not exist in the schema.
    
pandas_gbq/gbq.py