Subscribe a user to a discussion, so the she receives by emails
    all new new comments for this record.

    :param recID: record ID corresponding to the discussion we want to
                  subscribe the user
    :param uid: user id

def subscribe_user_to_discussion(recID, uid):
    """
    Subscribe a user to a discussion, so the she receives by emails
    all new new comments for this record.

    :param recID: record ID corresponding to the discussion we want to
                  subscribe the user
    :param uid: user id
    """
    query = """INSERT INTO "cmtSUBSCRIPTION" (id_bibrec, id_user, creation_time)
                    VALUES (%s, %s, %s)"""
    params = (recID, uid, convert_datestruct_to_datetext(time.localtime()))
    try:
        run_sql(query, params)
    except:
        return 0
    return 1