ST_PointFromGeoHash(geohash_str, srid)

Returns a POINT value containing the decoded geohash value, given a
geohash string value.

The X and Y coordinates of the point are the longitude in the range
[−180, 180] and the latitude in the range [−90, 90], respectively.

The srid argument is an 32-bit unsigned integer.

The remarks in the description of ST_LatFromGeoHash() regarding the
maximum number of characters processed from the geohash_str argument
also apply to ST_PointFromGeoHash().

ST_PointFromGeoHash() handles its arguments as described in the
introduction to this section.

URL: https://dev.mysql.com/doc/refman/8.0/en/spatial-geohash-functions.html

