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NumPoints - Simple line ZM :memory: #use in-memory database SELECT NumPoints(GeomFromText("LINESTRINGZM(0 0 0 1, 1 2 1 2)")); 1 # rows (not including the header row) 1 # column NumPoints(GeomFromText("LINESTRINGZM(0 0 0 1, 1 2 1 2)")) 2
