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
Hitoshi Harada umi.tan...@gmail.com 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:
*
2010/11/2 Tom Lane t...@sss.pgh.pa.us:
Hitoshi Harada umi.tan...@gmail.com 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.