2015-11-30 0:39 GMT-02:00 Tom Lane:
> Rodrigo Hjort writes:
> > I created a custom C function with this signature:
>
> > CREATE FUNCTION calculate_hash(numbers int2[])
> > RETURNS int8
> > AS 'MODULE_PATHNAME', 'pg_calculate_hash'
> > LANGUAGE C
> > IMMUTABLE STRICT;
>
> > And here is the function
Rodrigo Hjort writes:
> I created a custom C function with this signature:
> CREATE FUNCTION calculate_hash(numbers int2[])
> RETURNS int8
> AS 'MODULE_PATHNAME', 'pg_calculate_hash'
> LANGUAGE C
> IMMUTABLE STRICT;
> And here is the function source code (inspired in codes I found in
> src/backe
Hello PG Hackers,
I created a custom C function with this signature:
CREATE FUNCTION calculate_hash(numbers int2[])
RETURNS int8
AS 'MODULE_PATHNAME', 'pg_calculate_hash'
LANGUAGE C
IMMUTABLE STRICT;
And here is the function source code (inspired in codes I found in
src/backend/utils/adt/int.c
