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9 lines
440 B
Plaintext
9 lines
440 B
Plaintext
{
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"name": "num_geometries",
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"type": "function",
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"groups": ["GeometryGroup"],
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"description": "Returns the number of geometries in a geometry collection, or NULL if the input geometry is not a collection.",
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"arguments": [ {"arg":"geometry","description":"geometry collection"} ],
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"examples": [ { "expression":"num_geometries(geom_from_wkt('GEOMETRYCOLLECTION(POINT(0 1), POINT(0 0), POINT(1 0), POINT(1 1))'))", "returns":"4"}]
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}
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