1isring1 - LINESTRINGZM, non-ring
2:memory: #use in-memory database
3SELECT IsRing(GeomFromText('LINESTRINGZM(1 1 3 4, 2 1 4 9, 2 2 5 4, 1 2 4 3)'))
41 # rows (not including the header row)
51 # columns
6IsRing(GeomFromText('LINESTRINGZM(1 1 3 4, 2 1 4 9, 2 2 5 4, 1 2 4 3)'))
70
8