2010/11/2 Tom Lane :
> Hitoshi Harada writes:
>> I wonder why SortState is a ScanState. As far as I know ScanState
>> means the node may need projection and/or qualification, or it scans
>> some relation, but Sort actually doesn't do such things.
>
> No, not really. Per the comment for ScanState:
Hitoshi Harada writes:
> I wonder why SortState is a ScanState. As far as I know ScanState
> means the node may need projection and/or qualification, or it scans
> some relation, but Sort actually doesn't do such things.
No, not really. Per the comment for ScanState:
*ScanState extends
I wonder why SortState is a ScanState. As far as I know ScanState
means the node may need projection and/or qualification, or it scans
some relation, but Sort actually doesn't do such things. I also tried
to modify SortState as PlanState as in the attached patch and
regression test passed. Do I mis