Thank you Ashutosh.
On Fri, Jan 15, 2021 at 7:18 PM Ashutosh Bapat
wrote:
> On Thu, Jan 14, 2021 at 7:12 PM Andy Fan wrote:
> >
> > Currently the cost_sort doesn't consider the number of columns to sort,
> which
> > means the cost of SELECT * FROM t ORDER BY a; equals with the SELECT *
> > FRO
On Thu, Jan 14, 2021 at 7:12 PM Andy Fan wrote:
>
> Currently the cost_sort doesn't consider the number of columns to sort, which
> means the cost of SELECT * FROM t ORDER BY a; equals with the SELECT *
> FROM t ORDER BY a, b; which is obviously wrong. The impact of this is when we
> choose the
