ST_Endpoint function

The ST_Endpoint function takes a curve as an input parameter and returns the point that is the last point of the curve. The resulting point is represented in the spatial reference system of the given curve.

If the given curve is null or is empty, then null is returned.

This function can also be called as a method.

Syntax

Parameter

curve: A value of type ST_Curve that represents the geometry from which the last point is returned.

Return type

db2gse.ST_Point

Example

The SELECT statement finds the endpoint of each of the geometries in the SAMPLE_LINES table.


SET CURRENT FUNCTION PATH = CURRENT FUNCTION PATH, db2gse
CREATE TABLE sample_lines(id INTEGER, line ST_Linestring)


INSERT INTO sample_lines VALUES
    (1, ST_LineString('linestring (10 10, 5 5, 0 0, 10 0, 5 5, 0 10)', 0) )

INSERT INTO sample_lines VALUES
    (2, ST_LineString('linestring z (0 0 4, 5 5 5, 10 10 6, 5 5 7)', 0) )


SELECT id, CAST(ST_AsText(ST_EndPoint(line)) as VARCHAR(50)) Endpoint
FROM   sample_lines

Results:


ID          ENDPOINT
----------- --------------------------------------------------
          1 POINT ( 0.00000000 10.00000000)
          2 POINT Z ( 5.00000000 5.00000000 7.00000000)