>>
>> What are you going to do with the type once you have it?
>>
>
> for example, you can use it for formatting, for explicit cast, for
> different serialization type - like JSON - without knowledge of type,
> you can't to build correct JSON value. So you can write a application
> with knowledge of type and you don't need to detect type from value,
> that isn't robust.
>
there is other disadvantage of access to fields via PL function (or
native function) based on transformation to text. It's a lost of
typmod.
Pavel
> Pavel
>
>> David
>>
>>
>