select r.title,
r.mime_type,
i.name,
i.item_id
from cr_items i,
cr_revisions r
where i.parent_id = :comment_id and
r.revision_id = i.live_revision
select i.item_id,
e.label,
e.url
from cr_items i, cr_extlinks e
where i.parent_id = :comment_id and
e.extlink_id = i.item_id
select object_id from general_comments where comment_id = :comment_id
select r.revision_id,
o.creation_date as revision_date
from cr_revisions r,
acs_objects o
where r.item_id = :comment_id and
o.object_id = r.revision_id
order by o.creation_date desc