> > Why actual rows=0? > > I couldn't think of any reasonably cheap way to count the actual rows > (especially in the presence of lossy bitmaps), so I just punted.
I see.
BTW is it possible to let BitmapHeapScan fetch tuples by TID order? It
would make heap acccess in sequential manner and would boost disk
access performance.
--
Tatsuo Ishii
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