begin; alter table import_tmp add jr_rapt text; delete from jnt_fic_attr where jnt_id in ( select a.jnt_id from jnt_fic_attr as a join jnt_fic_attr as b on (a.fd_id=b.fd_id and a.ad_id=b.ad_id) where b.jnt_id > a.jnt_id); create unique index fd_id_ad_id_x on jnt_fic_attr( fd_id,ad_id); update version set val=22; commit;