Re: arrays as pl/perl input arguments [PATCH]

On Wed, Jan 12, 2011 at 22:12, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> "David E. Wheeler" <david(at)kineticode(dot)com> writes:
>> On Jan 12, 2011, at 5:14 AM, Alexey Klyukin wrote:
>>> You mean packing both a string representation and a reference to a single SV * value?
>
>> Dunno, I'm not a guts guy.
>
>> I haven't considered that (lack of extensive perlgus-foo) although I
>> think that's an interesting idea. One drawback would be that it would
>> require both conversion to a string format and to a perl reference,
>> performing unnecessary actions during every time arrays are passed to a
>> pl/perl function.
>
> I had supposed that it would be possible to do the string conversion
> lazily, ie, only if the string value was actually demanded.

Yep, In-fact if we wanted we could even die (or throw an exception in
other language speak :) ) when the string value is demanded.