> "Richard" == Richard Guo writes:
Richard> Hi all,
Richard> During the reorder of grouping sets into correct prefix order,
Richard> if only one aggregation pass is needed, we follow the order of
Richard> the ORDER BY clause to the extent possible, to minimize the
Richard> chance that w
> "Andres" == Andres Freund writes:
>> During the reorder of grouping sets into correct prefix order, if
>> only one aggregation pass is needed, we follow the order of the
>> ORDER BY clause to the extent possible, to minimize the chance that
>> we add unnecessary sorts. This is implement
Hi,
On 2019-06-17 17:23:11 +0800, Richard Guo wrote:
> During the reorder of grouping sets into correct prefix order, if only
> one aggregation pass is needed, we follow the order of the ORDER BY
> clause to the extent possible, to minimize the chance that we add
> unnecessary sorts. This is imple