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GEOMETRYN

Sintassi

GeometryN(gc,N)

Spiegazione

Restituisce la N-esima geometria nella GeometryCollection gc. Le geometrie sono numerate a partire da 1.

SET @gc = 'GeometryCollection(Point(1 1),LineString(12 14, 9 11))';

SELECT AsText(GeometryN(GeomFromText(@gc),1));
+----------------------------------------+
| AsText(GeometryN(GeomFromText(@gc),1)) |
+----------------------------------------+
| POINT(1 1)                             |
+----------------------------------------+

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