_AsText(ST_StartPoint(ST_GeomFromText(@ls)));\n+------------------------------------------------+\n| ST_AsText(ST_StartPoint(ST_GeomFromText(@ls))) |\n+------------------------------------------------+\n| POINT(1 1)                                     |\n+------------------------------------------------+\n','https://dev.mysql.com/doc/refman/8.0/en/gis-linestring-property-functions.html');