Name
ST_Z — Retrieves the z coordinate of a geometry.
Synopsis
ST_Z
(
|
in
g
any
); |
Description
Retrieves the x coordinate of a geometry.
Parameters
g
Geometry
Return Types
Returns double precision.
Examples
Example 24.680. Simple Use
SELECT st_z( st_point (10, 20, 30, 40)); DOUBLE PRECISION 30