libreccm-legacy/ccm-cms-assets-fileattachment/sql/ccm-cms-assets-fileattachment/postgres/upgrade/6.1.1-6.1.2/add-file_order.sql

begin;
    alter table ca_file_attachments add file_order integer;
    -- update draft items first
    update ca_file_attachments set
        file_order = file_id
        where file_id in (select item_id from cms_items where version='draft');
    -- now copy that ordering to the published items, so
    -- that we get no inconsistencies in already published pages.
    update ca_file_attachments set
        file_order = (select c2.file_order from ca_file_attachments c2
                      where c2.file_id = (select ci.master_id from cms_items ci
                          where ci.item_id = ca_file_attachments.file_id))
        where
        file_id in (select item_id from cms_items where master_id is not null);
commit;