def modify(db=None, sql=None):
    cur = _connect(db)

    if not cur:
        return False

    cur.execute(sql)
    return True
Encode a dictionary of ``fields`` using the multipart/form-data mime format.
dataset/ETHPy150Open saltstack/salt/salt/modules/sqlite3.py/modify--crossover with--dataset/ETHPy150Open arokem/python-matlab-bridge/tools/gh_api.py/encode_multipart_formdata