Horton

Re: CALL and named parameters

David G. Johnston <david.g.johnston@gmail.com>

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From: "David G. Johnston" <david.g.johnston@gmail.com>
To: Dominique Devienne <ddevienne@gmail.com>
Cc: Pavel Stehule <pavel.stehule@gmail.com>, "pgsql-general@lists.postgresql.org" <pgsql-general@lists.postgresql.org>
Date: 2025-08-07T13:30:30Z
Lists: pgsql-general 
On Thursday, August 7, 2025, Dominique Devienne <ddevienne@gmail.com> wrote:
>
>
> What's not nice is in the way it failed IMHO. I guess I persist it's
> not a user friendly message :)


Then write the error message you would have liked to see.


>
> Can you overload a function solely by changing an argument name?


No, the signature is only the name and input argument types.


> If not, as I suspect, then function lookup doesn't strictly depend on
> argument names (like in C++).
> So the function did exist, with the correct "signature" (ignoring
> argument names).
> And I was "just" using the wrong arg-name. That tripped me up.


How is it “just” an argument name when you are using named argument syntax?

David J.