postgresql7.1 select i.item_id as pres_item_id, pres.pres_title, ao.creation_date as creation_date, ao.creation_user, p.first_names || ' ' || p.last_name as full_name from cr_items i, cr_wp_presentations pres, persons p, acs_objects ao where i.live_revision = pres.presentation_id and ao.object_id = i.item_id and ao.creation_user = p.person_id and pres.public_p = 't' and ao.context_id = :package_id $extra_where_clauses select i.item_id as pres_item_id, p.pres_title, ao.creation_date as creation_date from cr_items i, cr_wp_presentations p, acs_objects ao where i.live_revision = p.presentation_id and ao.object_id = i.item_id and ao.creation_user = :user_id and ao.context_id = :package_id $extra_where_clauses select i.item_id as pres_item_id, pres.pres_title, ao.creation_date as creation_date, ao.creation_user, p.first_names || ' ' || p.last_name as full_name, acs_permission__permission_p(i.item_id, :user_id, 'wp_edit_presentation') as edit_p from cr_items i, cr_wp_presentations pres, persons p, acs_objects ao where i.live_revision = pres.presentation_id and ao.object_id = i.item_id and ao.creation_user <> :user_id and ao.creation_user = p.person_id and ao.context_id = :package_id $extra_where_clauses and acs_permission__permission_p(i.item_id, :user_id, 'wp_view_presentation')