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

Andrew Dunstan <andrew@dunslane.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.)
        regards, tom lane