Sort is actually PlanState?

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От Hitoshi Harada
Тема Sort is actually PlanState?
Дата
Msg-id AANLkTimEhJ=ZR_HT1XciS8kGEsw17ViCGhZwGoEPtFfb@mail.gmail.com
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Ответы Re: Sort is actually PlanState?  (Tom Lane <tgl@sss.pgh.pa.us>)
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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 misunderstand ScanState?

Regards,

--
Hitoshi Harada
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