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Hi,
Le 18 déc. 08 à 00:56, Tom Lane a écrit :
"Pavel Stehule" <pavel.steh...@gmail.com> writes:
do you remember on request for using "default" keyword in funccall?
This should be solution. In view, you don't store select foo(11), but
you have to store select foo(11, default, default).
Seems pretty ugly; keep in mind you'd be looking at that notation
constantly (in \d, EXPLAIN, etc), not just in dumps.
Well, considering it could solve the issue at hand without semantics
revisiting, it doesn't seem that ugly to me. Forcing the users of
default arguments to see they are using them all over the places is
fine by me.
And being able to put in default explicitly when calling the function
could also be a nice feature for people auto-generating calling code.
From what we get on IRC it's far easier for people to special case
DEFAULT rather than special case list constructions, as already
possible in INSERT statements.
I think the most conservative thing to do is to treat varying
numbers of
defaults as ambiguous for now. We can relax that later without
breaking
working code, but we couldn't go the other way if something else comes
up.
If a user vote is worth anything, I'd vote for explicit default
notation please.
- -
dim
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