def get_unsummarized(details):
    """Return URLs of rows that do not have summaries

    :returns: list of URLs
    """

    unsummarized_entries = []
    db = details.kmtools_db
    search_cur = db.cursor()
    query = "SELECT * FROM pinb_posts WHERE LENGTH(summarization)<1 ORDER BY time"
    for row in search_cur.execute(query):
        unsummarized_entries.append(row["href"])

    return unsummarized_entries