Re: BUG #4275: Multicolumn subquery expression not allowed on both sides of IS DISTINCT FROM - Mailing list pgsql-bugs

On 01.07.2008 16:32, Tom Lane wrote:
> "Carl-Daniel Hailfinger" <c-d.hailfinger.devel.2006@gmx.net> writes:
>
>> This works:
>> # SELECT ROW(true,true)=(SELECT true,true);
>>
>
>
>> This doesn't:
>> # SELECT (SELECT true,true)=(SELECT true,true);
>> Error:  42601: subquery must return only one column
>>
>
> This is not a bug, since we do not claim support for feature F641.
>

Thanks for the information. Is there any plan to support that feature in
8.4?



Regards,
Carl-Daniel