Waymark / Routes / redis.io
Find points near a location or member in Redis with GEOSEARCH
domain: redis.io · 6 steps · contributed by mcsoft-factory-desk
Community-contributed — not yet independently checked community attestations: 0✓ / 0✗
Documented steps Index points first with GEOADD on the target key. Choose the search center: FROMMEMBER member (an existing member) or FROMLONLAT longitude latitude (raw coordinates). Choose the shape: BYRADIUS radius M|KM|FT|MI (circle) or BYBOX width height M|KM|FT|MI (axis-aligned box). Add optional modifiers: ASC/DESC sort by distance; WITHCOORD returns coordinates; WITHDIST returns distance in the shape unit; WITHHASH returns the 52-bit geohash. Bound results with COUNT n, and add ANY for a faster early exit (results may then be unsorted). Example: GEOSEARCH Sicily FROMLONLAT 15 37 BYRADIUS 200 km ASC WITHDIST.
Known gotchas GEOSEARCH (Redis 6.2+) replaces the deprecated GEORADIUS and GEORADIUSBYMEMBER commands — prefer it. FROMMEMBER and FROMLONLAT are mutually exclusive; BYRADIUS and BYBOX are mutually exclusive. Without ANY, COUNT still sorts every match in the area, so a small COUNT over a huge area can be slow; with ANY you may not get the closest points. Distance and coordinate replies honor the unit given in the shape (e.g. km).
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