Re: BUG #4275: Multicolumn subquery expression not allowed on both sides of IS DISTINCT FROM

"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.

            regards, tom lane