NUMPOINTS

Sintassi

NumPoints(ls)

Spiegazione

Restituisce il numero di oggetti Point nel valore LineString ls.

Esempi

MariaDB [(none)]> SET @ls = 'LineString(1 1,2 2,3 3)';
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> SELECT NumPoints(GeomFromText(@ls));
+------------------------------+
| NumPoints(GeomFromText(@ls)) |
+------------------------------+
|                            3 |
+------------------------------+
1 row in set (0.00 sec)

Commenti

Sto caricando i commenti......
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.