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| |
| # ST_PointN |
| |
| Introduction: Return the Nth point in a single linestring or circular linestring in the geometry. Negative values are counted backwards from the end of the LineString, so that -1 is the last point. Returns NULL if there is no linestring in the geometry. |
| |
|  |
| |
| Format: `ST_PointN(geom: Geometry, n: Integer)` |
| |
| Return type: `Geometry` |
| |
| Since: `v1.2.1` |
| |
| SQL Example |
| |
| ```sql |
| SELECT ST_PointN(ST_GeomFromText("LINESTRING(0 0, 1 2, 2 4, 3 6)"), 2) |
| ``` |
| |
| Result: |
| |
| ``` |
| POINT (1 2) |
| ``` |
