"Chris Hodgson" <chodgson(at)refractions(dot)net> writes:
> If you cycle through enough id's in your toast tables, the chunk_id goes
> past 2^32 and wraps around, leaving you in an intermittent error state.
> Inserting further toasted chunks will fail depending on whether that
> particular next id from the sequence is already in the table or not.
This is dealt with in PG 8.1.
regards, tom lane