If any other geometry is provided as an argument, an IllegalArgumentException is thrown.Example:
SELECT ST_NumPoints(ST_GeomFromWKT('MULTIPOINT ((0 0), (1 1), (0 1), (2 2))'))Output: IllegalArgumentException: Unsupported geometry type: MultiPoint, only LineString geometry is supported.
Signatures
Parameters
The input geometry.
Return type
An integer value.