-- Tags: no-fasttest DROP TABLE IF EXISTS h3_indexes; CREATE TABLE h3_indexes (h3_index UInt64) ENGINE = Memory; -- Random geo coordinates were generated using the H3 tool: https://github.com/ClickHouse-Extras/h3/blob/master/src/apps/testapps/mkRandGeo.c at various resolutions from 0 to 15. -- Corresponding H3 index values were in turn generated with those geo coordinates using `geoToH3(lon, lat, res)` ClickHouse function for the following test. INSERT INTO h3_indexes VALUES (579205133326352383); INSERT INTO h3_indexes VALUES (581263419093549055); INSERT INTO h3_indexes VALUES (589753847883235327); INSERT INTO h3_indexes VALUES (594082350283882495); INSERT INTO h3_indexes VALUES (598372386957426687); INSERT INTO h3_indexes VALUES (599542359671177215); INSERT INTO h3_indexes VALUES (604296355086598143); INSERT INTO h3_indexes VALUES (608785214872748031); INSERT INTO h3_indexes VALUES (615732192485572607); INSERT INTO h3_indexes VALUES (617056794467368959); INSERT INTO h3_indexes VALUES (624586477873168383); INSERT INTO h3_indexes VALUES (627882919484481535); INSERT INTO h3_indexes VALUES (634600058503392255); INSERT INTO h3_indexes VALUES (635544851677385791); INSERT INTO h3_indexes VALUES (639763125756281263); INSERT INTO h3_indexes VALUES (644178757620501158); SELECT substring(h3CellAreaRads2(h3_index)::String, 1, 10) FROM h3_indexes ORDER BY h3_index; DROP TABLE h3_indexes;