Richard Huxton <dev@xxxxxxxxxxxx> writes: > Tom Lane wrote: >> You could do that in C, but none of the available PLs support it. > How would you define the signature for the function? One parameter of > type anyelement? Type RECORD would be a better choice --- ANYELEMENT allows scalar types which is not what you want here. (You could probably still do it with a function declared that way, but it'd have to take extra steps to defend itself against being passed, say, an integer.) If you're looking for a coding model, stripping down record_out() to just count nulls should get you there. regards, tom lane
