Re: Drop all overloads of a function without knowing parameter types

Sergey Konoplev escribió:
> On Mon, Feb 3, 2014 at 10:09 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> > People periodically ask for extensions flavored more or less like this,
> > but I'm suspicious of building any such thing into the core.  There's too
> > little commonality in the exact conditions they want to search on.
> > Leaving it at the level of a scripting problem, as above, allows arbitrary
> > customization of the search condition.
>
> I understand the POV of both Evan and you here. However, I think that
> there might be a good solution for this particular case - to allow
> dropping functions by name only if it has the only signature, but if
> there are 2 or more signatures then print an error specifying all the
> forms of the function, eg.:
>
> ERROR: Can not drop function 'foo' because it has more then one
> signature: foo(integer), foo(text).

But that doesn't solve Evan's request.  He would want both functions
gone, not an error.

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Álvaro Herrera                http://www.2ndQuadrant.com/
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