+select hostid,shareid,num,abstime(date),size,inc_size into dst_files from backups where date > abstime('2005-10-24')::int order by abstime,hostid,num;
+
+delete from backups where date > abstime('2005-10-24')::int;
+vacuum analyze backups;
+
+create index dst_i1 on dst_files(shareid) ;
+create index dst_i2 on dst_files(num) ;
+vacuum analyze dst_files ;
+create index dst_i3 on files(backupnum) ;
+vacuum analyze files ;
+
+select id into dst_files_ids from files inner join dst_files on dst_files.shareid = files.shareid and dst_files.num = files.backupnum ;
+create unique index dst_i4 on dst_files_ids(id) ;
+vacuum analyze dst_files_ids ;
+
+delete from files where id in (select id from dst_files_ids) ;
+
+vacuum full analyze verbose files ;
+
+drop table dst_files_ids ;
+drop table dst_files ;
+
+drop index dst_i3 ;