Re: BUG #3852: Could not create complex aggregate

Joe Conway <mail(at)joeconway(dot)com> writes:
> Tom Lane wrote:
>> I think we could make enforce_generic_type_consistency() clearer by
>> adding an additional argument "bool allow_poly" which specifies
>> whether polymorphic "actual" argument and result types are allowed.

> This sounds like a reasonable plan to me.

>> Although this problem really goes quite far back, I think it's probably
>> not interesting to back-patch further than 8.2, because AFAICS the
>> interesting cases involve aggregates with more than one argument.

> I agree, especially since this is the first time anyone has complained.

I've applied a patch along these lines, although I desisted from
back-patching it. It seems a bit like a new feature, and also I'm not
100% sure we have all the bases covered even yet.

regards, tom lane