>
> Unfortunately this is not possible, because this should happen on the
> client. The client calls FETCH for every record available in that cursor
> when the user (application) wants to display the data (scrollable
> list of records)
> So do you think i should wrap each FETCH statement?
> We handle exceptions errors through libpq, and if a FETCH leads to such
> a runtime error, we try to FETCH the first record again.
> The problem is that we can't use this cursor any more -> it seems to be
> corrupt after that error.
>
Change your SQL statement. It is not correct with your real data.
Pavel