Re: late binding of shared libs for C functions

On 2018-06-12 15:05:16 +0100, Andrew Gierth wrote:
> >>>>> "Tom" == Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:
>
> > Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk> writes:
> >> The real question is why check_function_bodies doesn't cover this;
> >> there's a comment in fmgr_c_validator that this is deliberate, but it's
> >> rather unclear what the advantage is supposed to be:
>
> Tom> Error detection, ie did you spell the C symbol name correctly.
>
> Right, but surely restoring a dump is not the place to be doing that
> error check?

I'm not convinced that that's true. Checking that the target system has
the right shared library [version] installed isn't crazy, and you can't
do it at dump time.

If I wanted to do something about it - which I don't really - I'd argue
that check_function_bodies should become an enum or such.

Greetings,

Andres Freund