Re: Pl/Perl function: Speed of the First time executing pl/perl function in connection;

Tom Lane wrote:
> Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
>
>> Tom Lane wrote:
>>
>>> So about the only real answer is going to be preloading. It seems worth
>>> considering that on machines where can_run_two is true, we should just
>>> go ahead and initialize both interps at _PG_init time, so as to allow
>>> the "require Safe" overhead to be bought back by preloading.
>>>
>
>
>> Even if only one language is defined?
>>
>
> The point here is to do the work at postmaster start time. You won't
> get a chance to find out whether both languages are defined in some
> database or other. (This is the same thing as the point about the
> UTF8 hack --- you can't tell if it's needed or not.)
>
>
>

w.r.t. UTF8, I guess we'll need a way of knowing if we're preloading or
not, and if so we'd need to skip the calls to GetDatabaseEncoding().

I assume this will all happen in the 8.5 dev cycle (or later).

cheers

andrew