ST_POINTONSURFACE() was introduced in MariaDB 10.1.2
ST_PointOnSurface(g) PointOnSurface(g)
Given a geometry, returns a POINT guaranteed to intersect a surface. However, see MDEV-7514.
ST_PointOnSurface() and PointOnSurface() are synonyms.
© 2019 MariaDB
Licensed under the Creative Commons Attribution 3.0 Unported License and the GNU Free Documentation License.
https://mariadb.com/kb/en/st_pointonsurface/