ST_X
Name
ST_X — Returns the X coordinate of a Point.
Synopsis
float
ST_X
(
geometry
a_point
)
;
Description
Return the X coordinate of the point, or NULL if not available. Input must be a point.
To get the minimum and maximum X value of geometry coordinates use the functions ST_XMin and ST_XMax . |
This method implements the SQL/MM specification. SQL-MM 3: 6.1.3
This function supports 3d and will not drop the z-index.