Re: version 0 calling convention

On 7/22/21 9:18 AM, Mark Lybarger wrote:
> i have some sql functions written in c code using version 0 calling 
> convention.  it's working fine on postgresql 9.6, but i'm migrating to 
> v13.  has this calling convention been removed?

https://www.postgresql.org/docs/13/xfunc-c.html#id-1.8.3.13.7

"Currently only one calling convention is used for C functions (“version 
1”). Support for that calling convention is indicated by writing a 
PG_FUNCTION_INFO_V1() macro call for the function, as illustrated below."

> 
> my function creation give an error,
> 
> SQL Error [42883]: ERROR: could not find function information for 
> function "test_func"
>    Hint: SQL-callable functions need an accompanying 
> PG_FUNCTION_INFO_V1(funcname).


-- 
Adrian Klaver
adrian.klaver@aklaver.com