Re: multiple CREATE FUNCTION AS items for PLs

2012/12/17 Peter Eisentraut <peter_e(at)gmx(dot)net>:
> On 12/16/12 1:20 PM, Hannu Krosing wrote:
>> I was going to suggest some special function name to be pulled out of code
>> passed to CREATE FUNCTION in line with
>>
>> CREATE FUNCTION foo(a,b,c) AS $$
>> import x
>> from __future__ import nex_cool_feature
>>
>> def helper_function(x):
>> ...
>>
>> def __pg_main__(a,b,c):
>> defined function body here
>>
>> $$;
>>
>> so that the whole text gets compiled into module at first call and the
>> __pg_main__ will
>> be the function that gets called as foo(a,b,c) from postgresql
>>
>> but this would not be backwards compatible, at least not in any obvious way.
>
> Yes, this would be a good solution for some applications, but the only
> way I can think of to manage the compatibility issue is to invent some
> function attribute system like
>
> CREATE FUNCTION ... OPTIONS (call_convention 'xyz')
>
> But this is also a lot more typing, so the two-part AS solution still
> has some appeal if you just want an import.
>

two-part AS is not intuitive and it is looking really obscure

Regards

Pavel

>
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