Re: Domains versus polymorphic functions, redux

Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Tue, May 24, 2011 at 2:54 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> I'm starting to think that maybe we should separate the two cases after
>> all. If we force a downcast for ANYARRAY matching, we will fix the loss
>> of functionality induced by the bug #5717 patch, and it doesn't seem
>> like anyone has a serious objection to that. What to do for ANYELEMENT
>> seems to be a bit more controversial, and at least some of the proposals
>> aren't reasonable to do in 9.1 at this stage. Maybe we should just
>> leave ANYELEMENT as-is for the moment, and reconsider that issue later?

> If we haven't lost any functionality with respect to ANYELEMENT in
> 9.1, then I don't think we ought to try to improve/change/break it in
> 9.1 either. But I do think we need to do something about ANYARRAY
> matching, and your proposed fix seems pretty reasonable to me.

Yeah, the thread seems to have died off without anyone having a better
idea. I'll see about making this happen.

regards, tom lane