1makearc19 - WGS84 srid 2:memory: #use in-memory database 3SELECT ST_Length(MakeArc(0, 0, 100, 30, 60, 4326)); 41 # rows (not including the header row) 51 # columns 6ST_Length(MakeArc(0, 0, 100, 30, 60, 4326)) 752.2934:4 8 9