myzhen <zhenmingyang@yeah.net> writes:
> When creating a function using language internal, if the parameters or function attributes of the alias function are
differentfrom those of the internal function, they are not checked during creation and may cause a cordump when called.
We have always considered that this is programmer error.
> I didn't find this mentioned in the manual, so I'm not sure if this is a problem, but it seems like it might be
betterto do a check when creating the function.
If you have an idea about how such a check could be done, it would
be worth discussing that. But it seems pretty unlikely to me that
there is any portable way to identify externally what data types
a compiled function is expecting to receive.
regards, tom lane