2009/11/18 Peter Eisentraut <peter_e@gmx.net>:
> On tis, 2009-11-17 at 17:09 -0500, Tom Lane wrote:
>> I can see the following definitional issues:
>
> Should we be able to find the answers to those, or at least a basis of
> discussion about those, in the SQL standard? Has anyone checked?
>
I am not sure if SQL standard is good inspiration in this case. Does
SQL standard typmod less varchar or numeric? Does SQL standard
polymorphic types?
Maybe only one should be in standard. Reply to question "should exists
functions foo(varchar(3)) and foo(varchar(10)) in same time?
Regards
Pavel
>
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