Returns the maximum Y coordinate of a geometry.
Arguments
- box
BOX_2D | BOX_2DF
Overloads
ST_YMax(geom = GEOMETRY)
ST_YMax(point = POINT_2D)
ST_YMax(line = LINESTRING_2D)
ST_YMax(polygon = POLYGON_2D)
ST_YMax(box = BOX_2D)
ST_YMax(box = BOX_2DF)
Provided by
The spatial extension (LOAD spatial;).
SQL examples
SELECT ST_YMax(ST_Point(1, 2))