MySQL 5.7 Reference Manual Including MySQL NDB Cluster 7.5 and NDB Cluster 7.6
A LineString is a Curve
with linear interpolation between points.
LineString
Examples
On a world map, LineString objects
could represent rivers.
In a city map, LineString objects could
represent streets.
LineString
Properties
A LineString has coordinates of
segments, defined by each consecutive pair of points.
A LineString is a
Line if it consists of exactly two
points.
A LineString is a
LinearRing if it is both closed and
simple.