W3cubDocs

/MariaDB

ST_POINTN

Syntax

ST_PointN(ls,N)
PointN(ls,N)

Description

Returns the N-th Point in the LineString value ls. Points are numbered beginning with 1.

ST_PointN() and PointN() are synonyms.

Examples

SET @ls = 'LineString(1 1,2 2,3 3)';

SELECT AsText(PointN(GeomFromText(@ls),2));
+-------------------------------------+
| AsText(PointN(GeomFromText(@ls),2)) |
+-------------------------------------+
| POINT(2 2)                          |
+-------------------------------------+
Content reproduced on this site is the property of its respective owners, and this content is not reviewed in advance by MariaDB. The views, information and opinions expressed by this content do not necessarily represent those of MariaDB or any other party.

© 2019 MariaDB
Licensed under the Creative Commons Attribution 3.0 Unported License and the GNU Free Documentation License.
https://mariadb.com/kb/en/pointn/