Peter Geoghegan <pg(at)heroku(dot)com> writes:
> I made a pass over this, and changed some things. I noticed it said
> something about incorrect unique violations on affected systems. Is
> that really possible?
A corrupt index could easily fail to detect uniqueness violations (because
searches fail to find entries they should find). Not sure I believe that
it would make false reports of a uniqueness conflict that's not really
there.
regards, tom lane