>
>
> As I've marked here, both default expressions are depending on the
> sequence, but there's only one "ownership" dependency of the sequence
> on a column. To complete the switchover you'd need to use ALTER SEQUENCE
> ... OWNED BY ... to move that ownership dependency to the new table.
> Then the old table (and its default) could be dropped without affecting
> the new table.
>
I did an alter sequence after the table renaming and it works now. Thanks
for all your help.