TRUE /tmp/processing_f4f8099de2914a338919dfb3c81e2077/851001ad50d34bfdb0cace8002847515/A.shp /tmp/processing_f4f8099de2914a338919dfb3c81e2077/9bedbac0e98f4ace867e311eeba399ef/B.shp

Union [A]-[B]

id_a id_b PROJCS["WGS_1984_Web_Mercator_Auxiliary_Sphere",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Mercator_Auxiliary_Sphere"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",0.0],PARAMETER["Standard_Parallel_1",0.0],PARAMETER["Auxiliary_Sphere_Type",0.0],UNIT["Meter",1.0]] -1