Files
2014-01-17 07:03:16 -07:00

21 lines
661 B
SQL

begin
for x in (
select distinct object_id from property_lists p1
where sequence_no > 0
and not exists (select 1 from property_lists p2 where p1.object_id = p2.object_id and p1.list_id = p2.list_id and p1.sequence_no = p2.sequence_no+1))
loop
begin
loop
update property_lists set sequence_no = sequence_no - 1 where object_id = x.object_id
and sequence_no > 0 and not exists (
select * from property_lists pl2
where property_lists.object_id = pl2.object_id and property_lists.list_id = pl2.list_id
and property_lists.sequence_no=pl2.sequence_no+1);
exit when sql%rowcount=0;
end loop;
end;
end loop;
end;
/