Re: C function to return tuple

Marios Vodas <mvodas@gmail.com> writes:
> My problem is that I don't know how to construct the d_type tuple in the c
> function.

Seems like the main problem with that function is that you're passing
an uninitialized "nulls" array to heap_form_tuple.

I kinda wonder why you are using a fixed-length values array together
with a variable-length, dynamically allocated nulls array, but that'
just odd style not wrong in itself.
        regards, tom lane