select n.notification_uid::text as notification_uid n.notification n.descr n.url n.timeout_sec n.contragent_id k.external_uid to_char(n.dt_show_from, 'YYYY-MM-DD"T"HH24:MI:SS.FF3TZHTZM') as dt_show_from to_char(n.dt_show_to, 'YYYY-MM-DD"T"HH24:MI:SS.FF3TZHTZM') as dt_show_to from notification n left outer join contragent k on (n.contragent_id=k.contragent_id) where 1=1 AND (n.dt_show_from <= CURRENT_TIMESTAMP OR n.dt_show_from IS NULL) AND (n.dt_show_to >= CURRENT_TIMESTAMP OR n.dt_show_to IS NULL) AND (k.external_uid = OR n.contragent_id IS NULL) order by dt_show_from desc limit #maxrows# select count(*) as cnt from notification n left outer join contragent k on (n.contragent_id=k.contragent_id) where 1=1 AND (n.dt_show_from <= CURRENT_TIMESTAMP OR n.dt_show_from IS NULL) AND (n.dt_show_to >= CURRENT_TIMESTAMP OR n.dt_show_to IS NULL) AND (k.external_uid = OR n.contragent_id IS NULL)