ST_MLineFromText(wkt [, srid [, options]]),
ST_MultiLineStringFromText(wkt [, srid [, options]])

Constructs a MultiLineString value using its WKT representation and
SRID.

These functions handle their arguments as described in the introduction
to this section.

URL: https://dev.mysql.com/doc/refman/8.0/en/gis-wkt-functions.html

