On Thu, Nov 7, 2024 at 8:56 AM Junwang Zhao <zhjwpku@gmail.com> wrote:
> Yeah, this is reasonable but one case I can't be sure:
>
> SELECT array_sort('{{2,3,4}}'::xid[]);
>
> This will return the array as is, but xid doesn't have a LT_OPR, should
> I error out in this case? like:
>
> could not identify ordering operator for type xid[]
Yes, I think that case needs to error out. It seems best to identify
the ordering operator before you decide whether or not you have >1
element.
--
Robert Haas
EDB: http://www.enterprisedb.com
