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GEODIST

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두 지역의 거리 조회

사용법은 geodist key member1 member2 km 입니다.
두 지역의 거리를 리턴합니다. 단위는 m(meter), km(kilometer), mi(mile), ft(feet) 입니다. 기본 단위는 meter입니다.

Example

명령>	GEODIST map seoul daejeon km
결과>	"140.0080"

명령문

GEODIST key member1 member2 [unit]

이 명령은 version 3.2.0 부터 사용할 수 있다.
논리적 처리 소요시간은 O(log(N))이다. N은 Sorted Set에 저장된 멤버의 개수이다.

<< GEOPOS	GEODIST	GEORADIUSBYMEMBER >>

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