ST_NUMGEOMETRIES
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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