ST_ Geohash
The ST_Geohash function returns the unique geohash value of the specified point geometry at depth=45.
Syntax
Parameter
- point_geometry
- A value of type ST_Point that represents the point geometry for which the geohash is to be calculated. If the specified geometry is NULL or empty, one row with a geohash value of NULL is returned.
Restrictions
The specified point geometry must use SRS 4326 (GSE3001N).
Output
A single BIGINT value that is the geohash value of the specified point geometry at depth=45.
Example
The following SQL statement returns the geohash, at depth 45, of the point geometry with the coordinates (1,2):
values st_geohash(st_point(1,2))
Result:
1
--------------------
-4610318878716198912
1 record(s) selected.