alter table wvp_media_server add transcode_suffix character varying(255); alter table wvp_platform_catalog add civil_code_for_channel character varying(50); /* 20250207 */ alter table wvp_device_channel add gps_speed double precision; alter table wvp_device_channel add gps_direction character varying(255); alter table wvp_device_channel add gps_altitude character varying(255); alter table wvp_gb_stream add gps_time character varying(50); alter table wvp_gb_stream add gps_speed double precision; alter table wvp_gb_stream add gps_direction character varying(255); alter table wvp_gb_stream add gps_altitude character varying(255);