Andrew Dunstan <andrew@dunslane.net> writes:
> Kevin Grittner wrote:
>> It would seem reasonable to me for pg_dump to use ORDER BY to select
>> data from clustered tables.
> What will be the performance hit from doing that?
That worries me too. Also, in general pg_dump's charter is to reproduce
the state of the database as best it can, not to "improve" it.
regards, tom lane