Re: PostgreSQL C Language Extension with C++ Code

[Tom Lane]

TalGloz <glozman...@gmail.com> writes:
> The error this time for PostgreSQL is:
> *ERROR:  could not find function information for function "sum_of_numbers"
> HINT:  SQL-callable functions need an accompanying
> PG_FUNCTION_INFO_V1(funcname).
> SQL state: 42883*

Probably need extern "C" around the PG_FUNCTION_INFO_V1 macro, too.
Both those macros produce C function definitions under the hood,
and said functions need to not be name-mangled by C++.

                        regards, tom lane