Peter Eisentraut <[EMAIL PROTECTED]> writes:
> I once considered implementing this myself but found it infeasible for 
> some reason I don't remember.  Nevertheless I always thought that 
> having an atomic restore ought to be a non-optional feature.  Are there 
> situations where one would not want to use it?

Absolutely.  As a nontrivial example, I *very* often load dumps sent to
me by other people which are full of GRANT/REVOKE commands referencing
users that don't exist in my installation.  Since, most of the time,
I don't particularly care about the ownership/privileges of the tables
involved, having to create those users would just be a PITA.

More generally, the pg_dump output has always been designed around the
assumption that failed commands are non-fatal.  Look at all those
unportable SET commands that we don't give you an option to omit.

                        regards, tom lane

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