select subject, owner_id
from messages_messages
where msg_id = :msg_id
and community_id = :community_id
select messages.msg_id
from (select max(m.msg_id) as last_msg_id, m.parent_id as msg_id, count(m.msg_id) as number_conversation
from (select msg_id, coalesce(parent_id,msg_id) as parent_id
from messages_messages
where community_id = :community_id
and msg_id in (select parent_id
from messages_user_messages
where user_id = :user_id
and folder_id = :folder_id)) m
group by m.parent_id
order by last_msg_id desc) messages
select max_messages
from messages_options
where user_id = :user_id
select attachment_id
from messages_attachments
where msg_id in (select msg_id from messages_messages where community_id = :community_id and parent_id = :msg_id or msg_id = :msg_id)
select crr.title as content,
crr.title,
crr.item_id,
cri.storage_type,
crr.revision_id,
crr.content_length,
crr.mime_type,
crr.title
from cr_items cri, cr_revisions crr
where crr.revision_id = :attachment_id
and crr.item_id = cri.item_id
select count(*)
from messages_user_messages
where user_id = :user_id
and parent_id = :msg_id
select $rel_type_case as rel_type
from acs_rels
where object_id_one = :community_id
and object_id_two = :owner_id