Peter Eisentraut <peter_e@gmx.net> writes:
> Tom Lane writes:
>> And we frequently see questions from users about how they can display
>> fewer digits than the system wants to give them --- or, more
>> generally, format the output in some special form.
> to_char() should serve those people.
Only if they're willing to go through and change all their queries.
The geometry regress tests seem a good counterexample: one SET at the
top versus a lot of rewriting.
regards, tom lane