try setWhere(" type like 'nsm' ").
Query: MEP_global_data.DBO.test_bdry (ID: 0)
# records: 6
type: NSM
Polygon:
[-1.05925448094E7, 6331610.610799998] , [-1.05925143079E7, 6337259.6477999985] , [-1.05923596851E7, 6339015.385300003] more...
[-1.74327857678E7, 1.1523017382700004E7] , [-1.74324155192E7, 1.15212753389E7] , [-1.74266945879E7, 1.1507461465899996E7] more...
[-1.70654633969E7, 7965857.698700003] , [-1.70644136541E7, 7967666.887500003] , [-1.70635779787E7, 7968250.298199996] more...
[-1.91074667251E7, 9277683.944799997] , [-1.91073749979E7, 9276497.047700003] , [-1.91068790695E7, 9273703.769900002] more...
[-1.4875929794599999E7, 7612574.983099997] , [-1.4875929794599999E7, 7613688.5315999985] , [-1.4873456720800001E7, 7628072.728600003] more...
[-1.51547280122E7, 8013438.626999997] , [-1.5154136794300001E7, 8014083.521700002] , [-1.51351838718E7, 8009271.293399997] more...
[-1.8491374124E7, 8490460.355300002] , [-1.84912484443E7, 8489146.592200004] , [-1.84870155207E7, 8473950.735399999] more...
[-1.5023646974E7, 8052052.3552] , [-1.5023307227E7, 8053469.133299999] , [-1.5022131804499999E7, 8053527.569499999] more...