ST_GeoHash

Introduction: Returns GeoHash of the geometry with given precision

Format: ST_GeoHash(geom: geometry, precision: int)

Example:

Query:

SELECT ST_GeoHash(ST_GeomFromText('POINT(21.427834 52.042576573)'), 5) AS geohash

Result:

+-----------------------------+
|geohash                      |
+-----------------------------+
|u3r0p                        |
+-----------------------------+