Build a DropCensus from counts collected during a parse. Pure and
total: an empty scannedByType produces a census with totalScanned: 0
and empty lists — still ran: true — rather than throwing or returning
nothing, so "examined zero records" is always reported honestly.
Build a
DropCensusfrom counts collected during a parse. Pure and total: an emptyscannedByTypeproduces a census withtotalScanned: 0and empty lists — stillran: true— rather than throwing or returning nothing, so "examined zero records" is always reported honestly.