The Ultimate Guide to High Availability with MariaDB

STARTPOINT

Sintassi

StartPoint(ls)

Spiegazione

Restituisce l'oggetto Point che costituisce il punto iniziale dell'oggetto LineString ls.

Esempi

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

MariaDB [(none)]> SELECT AsText(StartPoint(GeomFromText(@ls)));
+---------------------------------------+
| AsText(StartPoint(GeomFromText(@ls))) |
+---------------------------------------+
| POINT(1 1)                            |
+---------------------------------------+

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