INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (2547, 'EPSG', 2547, '+proj=tmerc +lat_0=0 +lon_0=93 +k=1 +x_0=31500000 +y_0=0 +ellps=krass +towgs84=-40.595,-18.55,-69.339,-2.508,-1.832,2.611,-4.299 +units=m +no_defs +type=crs', 'PROJCS["Pulkovo 1942 / 3-degree Gauss-Kruger zone 31",GEOGCS["Pulkovo 1942",DATUM["Pulkovo_1942",SPHEROID["Krassowsky 1940",6378245,298.3],TOWGS84[-40.595,-18.55,-69.339,-2.508,-1.832,2.611,-4.299]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4284"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",93],PARAMETER["scale_factor",1],PARAMETER["false_easting",31500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","2547"]]');