INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (20915, 'EPSG', 20915, '+proj=tmerc +lat_0=0 +lon_0=87 +k=1 +x_0=15500000 +y_0=0 +ellps=GSK2011 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["GSK-2011 / Gauss-Kruger zone 15",GEOGCS["GSK-2011",DATUM["Geodezicheskaya_Sistema_Koordinat_2011",SPHEROID["GSK-2011",6378136.5,298.2564151],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","7683"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",87],PARAMETER["scale_factor",1],PARAMETER["false_easting",15500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","20915"]]');