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redis commands sets smismember
SMISMEMBER
Redis Developer Course
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Redis Technical Support
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Redis Enterprise Server
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집합에 member가 존재하는지 확인 - 여러 개 가능
사용법은 smismember key member1 member2 이다.
있으면 1을 리턴하고, 없으면 0을 리턴한다.
Example
| 명령> | sadd myset member1 member2 |
| 결과> | 2 |
| 명령> | smismember myset member1 member2 member3 |
| 결과> |
1) (integer) 1 2) (integer) 1 3) (integer) 0 |
명령문
SMISMEMBER key member [member ...]
- 이 명령은 version 6.2.0 부터 사용할 수 있다.
- 논리적 처리 소요시간은 O(N)이다.
| 관련 명령 | EXISTS, SISMEMBER |
| << SISMEMBER | SMISMEMBER | SMOVE >> |
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