Sam Mason wrote:
The custom aggregate sounds the
most elegant, it's just annoying that it's so much fiddling to get it
all working to start with
Thanks.
I think I wrote it, but there's something I don't get from the docs: do
I have to call
get_call_result_type(fcinfo, NULL, &tupdesc)
every time?
I mean: the only example I've found about returning Composite Types
talks about returning sets as well (34.9.10. Returning Sets). In that
example the get_call_result_type call is done once:
if (SRF_IS_FIRSTCALL())
{
[...]
if (get_call_result_type(fcinfo, NULL, &tupdesc) != TYPEFUNC_COMPOSITE)
[...]
}
Should I do something like that in my function or that only applies to
function returning sets?
I'm calling it every time now but I don't know if it's right...
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