select 1 from attachments_fs_root_folder_map
where package_id = :package_id
select folder_id from attachments_fs_root_folder_map
where package_id = :package_id
insert into attachments_fs_root_folder_map
(package_id, folder_id)
values
(:package_id, :folder_id)
delete from attachments_fs_root_folder_map where
package_id = :package_id and
folder_id = :folder_id
insert into attachments
(object_id, item_id) values
(:object_id, :attachment_id)
delete from attachments
where object_id = :object_id and
item_id = :attachment_id
select item_id, acs_object.name(item_id) from attachments
where object_id= :object_id