From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
Cc: | pgsql-bugs(at)postgresql(dot)org |
Subject: | Re: variadic flag doesn't work with "any" type |
Date: | 2010-12-09 22:38:57 |
Message-ID: | 8691.1291934337@sss.pgh.pa.us |
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Lists: | pgsql-bugs |
Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> writes:
> I didn't explain it well, sorry
> so I have a function foo(variadic "any")
> usual calling like foo(10,20) or foo('a',10) working perfectly. But I
> have a problem with call with VARIADIC keyword
> like foo(VARIADIC ARRAY[10,20]) or foo(VARIADIC ARRAY['a','10']).
> Keyword VARIADIC is allowed, and this a calling doesn't raise any
> error.
What exactly is the use-case for that? You can't expect that an array
will hold the parameter list, since the parameters might not be all the
same type.
> -------- CALL foo(VARIADIC ARRAY[10,20,20]) ---> real
> call foo(10,20,20) -- but it doesn't work now.
I'm not convinced it should work that way. Even if you had convinced me
that this was sensible and had a real use-case, making it work like that
would take a whole bunch of mechanism that doesn't exist.
regards, tom lane
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