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Geohash filter #3218
Geohashes provide a structure for geospatial subdivisions by defining a hierarchical grid. This data structure supports an efficient way to filter data in a hierarchical way which should be supported by the REST API to filter points of certain cell.
The most simple setup for such a filter uses two arguments:
Since each geopoint corresponds to a single geohash it must be possible to index all prefixes of this geohash. For example the geohash