INSERT INTO tiki_comments (object, objectType, parentId, userName, commentDate, title, data, hits, type, points, votes, average)
    SELECT
        itemId,
        'trackeritem',
        0,
        user,
        posted,
        title,
        data,
        0,
        'n',
        0,
        0,
        0
    FROM tiki_tracker_item_comments;
DROP TABLE tiki_tracker_item_comments;