Syntax\n------\n\nMultiLineString(ls1,ls2,...)\n\nDescription\n-----------\n\nConstructs a WKB MultiLineString value using WKB LineString arguments. If any argument is not a WKB LineString, the return value isNULL.\n\nExamples\n--------\n\nCREATE TABLE gis_multi_line (g MULTILINESTRING);\nINSERT INTO gis_multi_line VALUES\n (MultiLineStringFromText('MULTILINESTRING((10 48,10 21,10 0),(16 0,16 23,16 48))')),\n (MLineFromText('MULTILINESTRING((10 48,10 21,10 0))')),\n (MLineFromWKB(AsWKB(MultiLineString(LineString(Point(1, 2), \n    Point(3, 5)), LineString(Point(2, 5),Point(5, 8),Point(21, 7))))));\n\nURL: https://mariadb.com/docs/server/reference/sql-statements/geometry-constructors/geometry-constructors/multilinestring