The Ultimate Guide to High Availability with MariaDB

ST_NUMGEOMETRIES

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MariaDB starting with 5.3.3

ST_NUMGEOMETRIES was added as a synonym for NUMGEOMETRIES in MariaDB 5.3.3.

Syntax

ST_NumGeometries(gc)
NumGeometries(gc)

Description

Returns the number of geometries in the GeometryCollection gc.

ST_NumGeometries() and NumGeometries() are synonyms.

Example

SET @gc = 'GeometryCollection(Point(1 1),LineString(2 2, 3 3))';

SELECT NUMGEOMETRIES(GeomFromText(@gc));
+----------------------------------+
| NUMGEOMETRIES(GeomFromText(@gc)) |
+----------------------------------+
|                                2 |
+----------------------------------+

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