> I would like to know the ctid's of the -1 rows in the copied table, > along with the ctid's of the rows they share magic_ids with, and > the ctid's of the rows with those same magic_ids in the original. > I'm wondering whether the affected rows are physically clustered ... i tried: create table qqq as select cmax as o_cmax, xmax as o_xmax, cmin as o_cmin, xmin as o_xmin, ctid as o_ctid, * from sssssss.xobjects; but the resulting table didn't have -1 values: $ select xobject_id, count(*) from qqq group by 1 having count(*) > 1; xobject_id | count ------------+------- (0 rows) $ select o_cmax,o_xmax,o_cmin,o_xmin,o_ctid, xobject_id, order_id from qqq where xobject_id = -1; o_cmax | o_xmax | o_cmin | o_xmin | o_ctid | xobject_id | order_id --------+--------+--------+--------+--------+------------+---------- (0 rows) i'm checking now something else, but later will try to get better grasp on those bad rows. Best regards, depesz -- The best thing about modern society is how easy it is to avoid contact with it. http://depesz.com/ -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general