redis commands geo georadiusbymember

GEORADIUSBYMEMBER

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Query cities near a given member

Usage: georadiusbymember key member radius km
Find members within a given radius (km) from the specified member.

Distance unit

• m: meter
• km: kilometer
• ft: feet, 0.3048 meter
• mi: mile, 1.6093 kilometer

WITH option: can be combined

• WITHCOORD: get coordinates
• WITHDIST: get distance
• WITHHASH: get hash value

COUNT count option

• Select how many members to return

Sort: ASC/DESC option

• ASC: nearest first
• DESC: farthest first

Store result option

• STORE key: cannot be used together with WITH options.

Example

Command>	GEORADIUSBYMEMBER map seoul 200 km
Result>	1) "incheon" 2) "seoul" 3) "daejeon"
Command>	GEORADIUSBYMEMBER map seoul 200 km withcoord
Result>	1) 1) "incheon"     2) 1) "126.70520693063735962"         2) "37.45625514418296831" 2) 1) "seoul"     2) 1) "126.97797149419784546"         2) "37.56653579238348328" 3) 1) "daejeon"     2) 1) "127.38454610109329224"         2) "36.3504120662288841
Command>	GEORADIUSBYMEMBER map seoul 200 km withdist asc
Result>	1) 1) "seoul"     2) "0.0000" 2) 1) "incheon"     2) "27.0112" 3) 1) "daejeon"     2) "140.0080"

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Syntax

GEORADIUSBYMEMBER key member radius m|km|ft|mi
[WITHCOORD] [WITHDIST] [WITHHASH] [COUNT count]
[ASC|DESC] [STORE key] [STOREDIST key]

• Available since version 3.2.0.
• Time complexity is O(N+log(M)).