"Aaron Harsh" <ajh(at)rentrak(dot)com> writes:
> We've just recently started seeing sporadic constraint violations on system tables. For example:
> duplicate key violates unique constraint "pg_class_oid_index" [for Statement "CREATE TEMPORARY TABLE...
OID wraparound would explain that ...
> and the occasional
> unexpected chunk number 0 (expected 1) for toast value
... but not that. The latter might possibly be due to a corrupt index
on a toast table. If you have a reproducible way of causing it, I'd
definitely love to see it.
regards, tom lane