Hi
In general, this approach looks good for me.
> Regarding current state of patch, I'd like to see new options documented.
> Also, it would be better to replace "bool sort_size" with enum assuming
> there could be other sorting orders in future.
>
I am sending updated patch with some basic doc
Regards
Pavel
>
> ------
> Alexander Korotkov
> Postgres Professional: http://www.postgrespro.com
> The Russian Postgres Company
>