john(dot)k(dot)hord(at)nasa(dot)gov writes:
> It appears that the CheckFunctionValidatorAccess function is now being used
> in plpgsql.so but the fmgr.o object which defines the function is not being
> linked when plpgsql.so is compiled.
If you upgraded to 9.2.7 but failed to restart the server, you will get
link errors like that when new sessions (still running the old server
executable) attempt to load the updated version of plpgsql.so.
regards, tom lane