Lukasz Brodziak <lukasz.brodziak@gmail.com> writes:
> I have isolated the corrupted row of data and isolated column which
> constains bad data. Unfortunately I can't do anything with the row. I have
> an older backup of the db which contains correct row. Is there a way I can
> restore only the given row or replace it in the file ( I also located the
> row on the page).
You haven't shown us exactly how it's failing, but depending on what
sort of corruption this is, you might be able to delete the damaged row
with
DELETE FROM table WHERE ctid = '...';
regards, tom lane