Peter Eisentraut wrote:
> Joe Conway writes:
>>3. Modify CREATE FUNCTION to allow the implicit creation of a dependent
>> composite type, e.g.:
>
> Forgive this blunt question, but: Why?
Now's a *great* time for a blunt question because I haven't started
actively working on this yet. Much better than after I'm done. ;-)
> Of course I can see the answer, it's convenient, but wouldn't the system
> be more consistent overall if all functions and types are declared
> explicitly?
>
And of couse you are correct. It is almost purely convenience. My
reasoning was this: if I am creating a function which returns a
composite type, then the fact that a named composite type exists is
superfluous to me. It would be more natural for me to do:
CREATE FUNCTION foo() RETURNS SETOF (f1 int, f2 text);
than to do:
CREATE TYPE some_arbitrary_name AS (f1 int, f2 text);
CREATE FUNCTION foo() RETURNS SETOF some_arbitrary_name;
But I admit it is only a "nice-to-have", not a "need-to-have".
How do others feel? Do we want to be able to implicitly create a
composite type during function creation? Or is it unneeded bloat?
I prefer the former, but don't have a strong argument against the latter.
Joe
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